CN1730727A - Nanometer composite powder zinc impregnation processing method - Google Patents
Nanometer composite powder zinc impregnation processing method Download PDFInfo
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- CN1730727A CN1730727A CN 200510013167 CN200510013167A CN1730727A CN 1730727 A CN1730727 A CN 1730727A CN 200510013167 CN200510013167 CN 200510013167 CN 200510013167 A CN200510013167 A CN 200510013167A CN 1730727 A CN1730727 A CN 1730727A
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- zincizing
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- zinc
- nanometer composite
- composite powder
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 239000000843 powder Substances 0.000 title claims abstract description 47
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 45
- 239000011701 zinc Substances 0.000 title claims abstract description 45
- 238000005470 impregnation Methods 0.000 title claims abstract description 31
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 238000003672 processing method Methods 0.000 title claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000012190 activator Substances 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 10
- 238000005479 sherardizing Methods 0.000 claims description 10
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical group [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 8
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 8
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 7
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000002203 pretreatment Methods 0.000 claims description 7
- 239000006004 Quartz sand Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 150000002910 rare earth metals Chemical class 0.000 claims description 6
- 235000019270 ammonium chloride Nutrition 0.000 claims description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 4
- 239000011812 mixed powder Substances 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 235000005074 zinc chloride Nutrition 0.000 claims description 2
- 239000011592 zinc chloride Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 4
- 239000002114 nanocomposite Substances 0.000 abstract description 2
- 238000009472 formulation Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000005246 galvanizing Methods 0.000 description 4
- 238000002161 passivation Methods 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 238000005238 degreasing Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003961 penetration enhancing agent Substances 0.000 description 2
- -1 rare earth cerium oxide Chemical class 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 238000007739 conversion coating Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005480 shot peening Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention provides a process for nanometer composite powder zinc impregnation processing method, which comprises metal member pretreatment, powder zinc impregnation processing and metal member post-treatment. The powder zinc impregnation processing comprises formulation of nano composite powder zinc impregnation agent, a zinc impregnation procedure and a cooling down separation process.
Description
Technical field
The present invention relates to the sherardise technical field of metal, particularly relate to a kind of nanometer composite powder zinc impregnation processing method.
Background technology
Developed the surface anticorrosive treatment process of many metallic coatings in the past in the long term studies, as diffusion coating, electro-galvanizing and anticorrosion techniques such as alloy coat and chemical conversion coating thereof such as coatings such as galvanizing or aluminium, zinc and aluminium.At present main zincincation has: electro-galvanizing (plating, ion plating or ion implantation etc.), cold galvanizing (mechanical plating, be coated with brush plating etc.), pot galvanize (comprising hot dip process, thermospray plating) and sherardise technology.
The sherardise complete processing is to utilize that atoms metal interpenetrates diffusion principle in the thermal treatment; in heat-processed, make zinc powder and closely contacted mutually by the metallizing member; make the zinc active atomic of generation penetrate into metal component surface by the thermodiffusion campaign; form a kind of zinc-iron alloy protective layer, in case stop ring border corroding method.The employed zincizing agent of existing sherardise working method mainly comprises zinc powder, inert fill material and activator.The needed zincizing processing temperature of this working method is higher, generally will reach 350 ℃～450 ℃, and energy consumption is bigger; Intensification that the zincizing process is required and soaking time are grown (longer to the large-scale component required time).Carrying out for a long time of zincizing process can increase the tendency that produces the fragility zinc coat, and the performance of member is reduced.Also there is the uneven shortcoming of zinc coat in existing sherardise complete processing when handling the hardware large-scale, that volume is complicated,
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of nanometer composite powder zinc impregnation processing method, it is achieved by the following technical solution:
A kind of nanometer composite powder zinc impregnation processing method, mainly comprise the pre-treatment of hardware, the zincizing processing of hardware and the aftertreatment of hardware, it is characterized in that: the zincizing processing of hardware comprises the preparation of nanometer composite powder zinc impregnation agent, zincizing process and refrigerated separation process, be specially: the preparation of (1) nanometer composite powder zinc impregnation agent: will carry out the refinement milled processed after zinc powder and the nano rare earth powder mixes, the consumption of nano rare earth powder is 2%～10% of a zinc powder weight, being ground to powder size is 200～300 orders, then with ground compound zinc powder, activator and weighting agent mix by a certain amount of, the consumption of activator is 0.1～0.3% of a zincizing agent weight, weighting agent, the volume sum of compound zinc powder and workpiece equals 90%～95% of zincizing tank volume, obtains the nanometer composite powder zinc impregnation agent; (2) zincizing process: hardware, zincizing agent are filled in the zincizing jar, to load good zincizing jar then and be placed on heat temperature raising in the Sherardizing furnace, the zincizing jar slowly rotates heating, zincizing jar rotating speed is controlled at 7～15 rev/mins, make the hardware thermally equivalent in the zincizing jar, the heat temperature raising time was controlled at 2～2.5 hours, when top temperature is 300～420 ℃, keep homo(io)thermism 50～120 minutes, and carried out zincizing processing; (3) refrigerated separation process: after zincizing machines, the zincizing jar is cooled to below 100 ℃ with process furnace, the zincizing jar is taken out from Sherardizing furnace, be placed on the separating machine and constantly carrying out air cooling in the rotation process, treat that temperature is reduced to below 50 ℃ and on separating machine, member separated with zincizing agent that member carries out aftertreatment.
Described nanometer composite powder zinc impregnation processing method is characterized in that described nano rare earth is nano-cerium oxide (CeO
2), particle size diameter scope 65 nanometers (nm)～455 nanometer of nano-cerium oxide powder, mean particle size is 110nm, wherein granularity is less than volume content 〉=50% of the powder of 110nm.
It is to carry out in high energy ball mill that described refinement is ground, and the milled processed time is 10～20 hours.
The granularity of described zinc powder is 120 orders, zinc content 〉=98%.
Described activator is ammonium chloride (NH
4Cl) or zinc chloride (ZnCl
2), described weighting agent is quartz sand (SiO
2) or aluminum oxide (Al
2O
3), preferred activator is an ammonium chloride, and preferred weighting agent is a quartz sand, and the granularity of quartz sand is 40～100 orders.
Because the density of nano combined zinc powder of the present invention is a little less than the density of zinc powder, so the density of zinc coat can adopt the density of zinc powder.The weight of required nano combined zinc powder draws according to the surface-area of workpiece and the thickness of coating calculating of customer requirements: the surface-area of standard workpiece can specifically calculate according to scantling and shape; To general complex shaped components (surface-area is difficult to calculate), the required compound zinc powder consumption of every 100kg workpiece weight is 1.0～3.0kg; To complex large-sized structural part, the conversion relation of its surface-area and weight is 5.0～5.8m
2/ 100kg workpiece weight.
In the zincizing course of processing, adopt the axial-flow type hot air circulation blower to heat, realize the homogeneity of temperature by the temperature of temperature range test point in the control stove, the temperature homogeneity error control is in ± 5 ℃.
The pre-treatment of hardware comprises: surface degreasing, surface derusting, washing and antirust drying.Surface degreasing can adopt Solvent degreasing commonly used, electrochemical deoiling, mechanical oil removing or wiping oil removing; The surface derusting method adopts common chemical acid wash or mechanical rust removal method, as roll cast, scrub, mechanical means such as sandblast or shot-peening.Oil removing, the rust cleaning after hardware by the washing and antirust drying after obtain cleaning surfaces, exsiccant member.
The aftertreatment of hardware comprises: flushing, polished finish, Passivation Treatment and dry processing.Usually adopt 15% nitric acid to carry out chemical rightenning 10～25 seconds so that remove the black oxide or the zinc of component surface, after the polishing immediately water acid is cleaned up; Carry out Passivation Treatment with chromic acid or chromatedsolution, to improve infiltration layer corrosion resistance and surface smoothness.
Nanometer composite powder zinc impregnation method of the present invention can satisfy the corrosion prevention demand of the various steel pieces in field, fastening piece and complex structural members such as naval vessel, traffic (sub., culvert, tunnel etc.), electric power, chemical industry, telecommunications, and can carry out zincizing to large-size components and handle, surface at complex components such as inner and outer walls of pipeline, thickness screw thread, endoporus grooves all can obtain even zinc coat, the zinc coat thickness that obtains in 10～110 mu m ranges, thickness error≤10%.
Nano composite powder working method of the present invention, its maximum heating temperature is starkly lower than the transformation temperature of ferrous materials, can not influence the mechanical property of member, no hydrogen embrittlement phenomenon.Infiltration layer outside surface hardness ratio soft steel hardness (is 115HV as No. 20 steel hardness) doubles above, and is higher more than 50% than medium carbon steel (is 172HV as No. 45 steel hardness) hardness.The resistance to shock loads ability is not strong, and is easy to wear in transportation, assembling and dismounting, abrade or come off.
Compare with traditional sherardise method, sherardise speed is fast, maximum heating temperature reduces, the soaking time in the zincizing process shortens, and has improved production efficiency, has reduced energy consumption, has improved the mechanical property of member.
Embodiment
Below in conjunction with specific embodiment technical scheme of the present invention is described further.
Embodiment 1
Nanometer composite powder zinc impregnation processing method of the present invention mainly comprises the pre-treatment of hardware, the zincizing processing of hardware and the aftertreatment of hardware.
The pre-treatment of hardware comprises: to metallic surface oil removing, surface derusting, washing and antirust drying treatment.
Described hardware is that the zinc impregnation processing method of the steel and iron member of large-scale, complicated shape comprises: the preparation of nanometer composite powder zinc impregnation agent, zincizing process and refrigerated separation process are specially: (1) is that 120 orders, zinc content are 99% zinc powder and nano rare earth cerium oxide (CeO with granularity
2) powder mixes, nano-cerium oxide powder size diameter range 65nm～455nm, mean particle size is 110nm, wherein granularity is 60% less than the volume content of the powder of 110nm, its consumption is 5% of a zinc powder weight, mixed powder was 25 ℃ of following refinement milled processed of room temperature 16 hours, and being ground to powder size is 200～300 orders, then with ground compound zinc powder, activator NH
4Cl and weighting agent SiO
2Mix by following consumption, obtain nano combined zincizing agent:
Nano combined zinc powder: the weight conversion relation of the surface-area of member and member is 5.5m
2/ 100kg, the consumption of compound zinc powder obtains according to the surface-area of hardware and the thickness of zinc coat and the density calculation of zinc powder
NH
4Cl: consumption is 0.21% of a zincizing agent weight
SiO
2: granularity is the 40-100 order, and the volume sum of its volume and compound zinc powder volume and workpiece equals 90% of zincizing tank volume.
(2) the zincizing jar that member, penetration enhancer will be housed is placed in the Sherardizing furnace and heats, the zincizing jar rotates heating slowly, rotating speed is controlled at 7～15 rev/mins, make the hardware thermally equivalent in the zincizing jar, heating-up time was controlled in 2.0～2.5 hours, when temperature is elevated to 320 ℃, kept homo(io)thermism 80 minutes;
(3) treat that Sherardizing furnace is cooled to 100 ℃ after, the zincizing jar is hung out from Sherardizing furnace, be placed on the separating machine, carry out air cooling, treat that temperature is lower than below 50 ℃ after, on separating machine, member is separated with zincizing agent, member carries out aftertreatment.
The aftertreatment of hardware comprises: flushing, polished finish, Passivation Treatment and dry processing.
Embodiment 2
Nanometer composite powder zinc impregnation processing method of the present invention mainly comprises the pre-treatment of hardware, the zincizing processing of hardware and the aftertreatment of hardware.
The pre-treatment of hardware comprises: to metallic surface oil removing, surface derusting, washing and antirust drying treatment.
The zinc impregnation processing method of described hardware shaped steel comprises: the preparation of nanometer composite powder zinc impregnation agent, zincizing process and refrigerated separation process are specially: (1) is that 120 orders, zinc content are 98% zinc powder and nano rare earth cerium oxide (CeO with granularity
2) powder mixes, nano-cerium oxide powder size diameter range 65nm～455nm, mean particle size is 110nm, wherein granularity is 55% less than the volume content of the powder of 110nm, its consumption is 4% of a zinc powder weight, mixed powder fining milled processed 14 hours, being ground to powder size is 200～300 orders, then with ground compound zinc powder, activator NH
4Cl and weighting agent SiO
2Mix by following consumption, obtain nano combined zincizing agent:
Nano combined zinc powder: consumption obtains according to the surface-area of shaped steel and the thickness of zinc coat and the density calculation of zinc powder
NH
4Cl: consumption is 0.15% of a zincizing agent weight
SiO
2: granularity is the 40-100 order, and the volume sum of its volume and compound zinc powder volume and workpiece equals 92% of zincizing tank volume.
(2) the zincizing jar that member, penetration enhancer will be housed is placed in the Sherardizing furnace and heats, the zincizing jar rotates heating slowly, rotating speed is controlled at 7～15 rev/mins, make the hardware thermally equivalent in the zincizing jar, heating-up time was controlled in 2.0～2.5 hours, when temperature is elevated to 320 ℃, kept homo(io)thermism 60 minutes;
(3) treat that Sherardizing furnace is cooled to 100 ℃ after, the zincizing jar is hung out from Sherardizing furnace, be placed on the separating machine, carry out air cooling, treat that temperature is lower than below 50 ℃ after, on separating machine, member is separated with zincizing agent, member carries out aftertreatment.
The aftertreatment of hardware comprises: flushing, polished finish, Passivation Treatment and dry processing.
Nanometer composite powder zinc impregnation processing method of the present invention, sherardise speed is fast, maximum heating temperature reduces, the soaking time in the zincizing process shortens, and has improved production efficiency, has reduced energy consumption, has improved the mechanical property of member.
Claims (7)
1. nanometer composite powder zinc impregnation processing method, mainly comprise the pre-treatment of hardware, the zincizing processing of hardware and the aftertreatment of hardware, it is characterized in that: the zincizing processing of hardware comprises the preparation of nanometer composite powder zinc impregnation agent, zincizing process and refrigerated separation process, be specially: the preparation of (1) nanometer composite powder zinc impregnation agent: after zinc powder and nano rare earth powder mixes, mixed powder carries out the refinement milled processed, the consumption of nano rare earth powder is 2%～10% of a zinc powder weight, being ground to powder size is 200～300 orders, then with ground compound zinc powder, activator and weighting agent mix by a certain amount of, the consumption of activator is 0.1～0.3% of a zincizing agent weight, weighting agent, the volume sum of compound zinc powder and workpiece equals 90%～95% of zincizing tank volume; (2) zincizing process: hardware and the zincizing agent for preparing are filled in the zincizing jar, to load good zincizing jar then and be placed on heat temperature raising in the Sherardizing furnace, zincizing jar upset heating, make the hardware thermally equivalent in the zincizing jar, the heat temperature raising time was controlled in 2～2.5 hours, when top temperature is 300～420 ℃, kept homo(io)thermism 50～120 minutes, carry out zincizing processing; (3) refrigerated separation process: after zincizing machined, the zincizing jar was cooled to below 100 ℃ the zincizing jar be taken out from Sherardizing furnace with process furnace, continued to be cooled to temperature and was lower than 50 ℃, and member is separated with zincizing agent, and member carries out aftertreatment.
2. nanometer composite powder zinc impregnation processing method according to claim 1 is characterized in that described nano rare earth is nano-cerium oxide (CeO
2), the particle size diameter scope of its powder is 65nm～455nm, and mean particle size is 110nm, and wherein granularity is less than volume content 〉=50% of the powder of 110nm.
3. nanometer composite powder zinc impregnation processing method according to claim 1 and 2 is characterized in that it is to carry out that described refinement is ground in high energy ball mill, the milled processed time is 10～20 hours.
4. nanometer composite powder zinc impregnation processing method according to claim 3, the granularity that it is characterized in that described zinc powder is 120 orders, zinc content 〉=98%.
5. nanometer composite powder zinc impregnation processing method according to claim 4 is characterized in that described activator is ammonium chloride (NH
4Cl) or zinc chloride (ZnCl
2), described weighting agent is quartz sand (SiO
2) or aluminum oxide (Al
2O
3).
6. nanometer composite powder zinc impregnation processing method according to claim 5 is characterized in that described activator is ammonium chloride (NH
4Cl), weighting agent is quartz sand (SiO
2).
7. nanometer composite powder zinc impregnation processing method according to claim 6, the granularity that it is characterized in that described quartz sand is 40～100 orders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100131672A CN1308485C (en) | 2005-01-31 | 2005-01-31 | Nanometer composite powder zinc impregnation processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100131672A CN1308485C (en) | 2005-01-31 | 2005-01-31 | Nanometer composite powder zinc impregnation processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1730727A true CN1730727A (en) | 2006-02-08 |
| CN1308485C CN1308485C (en) | 2007-04-04 |
Family
ID=35963146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100131672A Active CN1308485C (en) | 2005-01-31 | 2005-01-31 | Nanometer composite powder zinc impregnation processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1308485C (en) |
Cited By (11)
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| CN102168244A (en) * | 2011-03-25 | 2011-08-31 | 天津市先知邦渗锌防腐蚀金属制品有限公司 | Steel sleeper and zinc impregnation processing method thereof |
| CN102443809A (en) * | 2011-12-07 | 2012-05-09 | 长葛市礼阳电气有限公司 | Preparation technology of Zn-infiltrated alloy |
| CN103924189A (en) * | 2014-04-16 | 2014-07-16 | 天津市先知邦渗锌防腐蚀金属制品有限公司 | Screw-thread steel thermal diffusion treatment method and screw-thread steel |
| CN104087896A (en) * | 2014-07-23 | 2014-10-08 | 郑州瑞能电气有限公司 | Alloy treatment method for carrying out zinc impregnation on surface of falling type fuse steel part |
| CN103320790B (en) * | 2013-05-24 | 2016-03-30 | 洪求耀 | Zinc chemical surface treatment technology |
| WO2017092065A1 (en) * | 2015-12-04 | 2017-06-08 | 山东开泰抛丸机械股份有限公司 | Method for preparing corrosion-resistant coating of marine well drilling platform |
| CN107630187A (en) * | 2017-10-31 | 2018-01-26 | 天津市澳博美特新材料科技开发有限公司 | A kind of environmental protection and the anticorrosion process of Yield increasing type powder zincizing |
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| CN1107899A (en) * | 1994-03-01 | 1995-09-06 | 陶锦伯 | Vacuum solid zincing method |
| CN1115792A (en) * | 1995-03-22 | 1996-01-31 | 李显扬 | Vacuum solid zincizing agent and technology for metal |
| CN1330167A (en) * | 2001-07-22 | 2002-01-09 | 韩丽君 | Powder zincification process of metal and its product |
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| CN102168244A (en) * | 2011-03-25 | 2011-08-31 | 天津市先知邦渗锌防腐蚀金属制品有限公司 | Steel sleeper and zinc impregnation processing method thereof |
| CN102168244B (en) * | 2011-03-25 | 2012-11-21 | 天津市先知邦渗锌防腐蚀金属制品有限公司 | Steel sleeper and zinc impregnation processing method thereof |
| CN102443809A (en) * | 2011-12-07 | 2012-05-09 | 长葛市礼阳电气有限公司 | Preparation technology of Zn-infiltrated alloy |
| CN103320790B (en) * | 2013-05-24 | 2016-03-30 | 洪求耀 | Zinc chemical surface treatment technology |
| CN103924189A (en) * | 2014-04-16 | 2014-07-16 | 天津市先知邦渗锌防腐蚀金属制品有限公司 | Screw-thread steel thermal diffusion treatment method and screw-thread steel |
| CN103924189B (en) * | 2014-04-16 | 2016-07-13 | 天津先知邦科技股份有限公司 | Screw-thread steel heat diffusion treatment method and screw-thread steel |
| CN104087896B (en) * | 2014-07-23 | 2016-06-22 | 郑州瑞能电气有限公司 | Fuse switch steel piece surface Zn-infiltrated alloy processing method |
| CN104087896A (en) * | 2014-07-23 | 2014-10-08 | 郑州瑞能电气有限公司 | Alloy treatment method for carrying out zinc impregnation on surface of falling type fuse steel part |
| WO2017092065A1 (en) * | 2015-12-04 | 2017-06-08 | 山东开泰抛丸机械股份有限公司 | Method for preparing corrosion-resistant coating of marine well drilling platform |
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| CN109402553A (en) * | 2017-11-01 | 2019-03-01 | 河南坤金金属材料科技有限公司 | Multicomponent alloy spreads anticorrosion treatment technology under a kind of steel piece low temperature |
| CN108728845A (en) * | 2018-06-26 | 2018-11-02 | 西北有色金属研究院 | A kind of preparation method of stainless steel surface zinc doping aluminized coating |
| CN108728845B (en) * | 2018-06-26 | 2020-10-02 | 西北有色金属研究院 | Preparation method of zinc-doped aluminum coating on surface of stainless steel |
| CN109576639A (en) * | 2018-12-21 | 2019-04-05 | 陕西天元智能再制造股份有限公司 | A kind of alloy atom infiltration surface treatment method of railway elastic bar |
| CN111926285A (en) * | 2020-06-30 | 2020-11-13 | 湘潭大学 | Method for preparing zinc-aluminum-magnesium powder zincizing agent and treating steel |
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