WO2011079556A1 - 含铝-硅-锌-稀土-镁-铁-铜-锰-铬-锆的热浸镀合金及其制备方法 - Google Patents
含铝-硅-锌-稀土-镁-铁-铜-锰-铬-锆的热浸镀合金及其制备方法 Download PDFInfo
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- WO2011079556A1 WO2011079556A1 PCT/CN2010/071487 CN2010071487W WO2011079556A1 WO 2011079556 A1 WO2011079556 A1 WO 2011079556A1 CN 2010071487 W CN2010071487 W CN 2010071487W WO 2011079556 A1 WO2011079556 A1 WO 2011079556A1
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/12—Aluminium or alloys based thereon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
- C22C32/0015—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides with only single oxides as main non-metallic constituents
- C22C32/0036—Matrix based on Al, Mg, Be or alloys thereof
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Definitions
- Hot dip coating alloy containing aluminum-silicon-zinc-rare earth-magnesium-iron-copper-manganese-chromium-zirconium and preparation method thereof
- the invention relates to a hot dip coating alloy containing aluminum-silicon-zinc-rare-magnesium-iron-copper-manganese-chromium-zirconium for surface coating of titanium alloy parts and a preparation method thereof.
- Titanium alloys have become an important aerospace material because of their high strength and corrosion resistance.
- the use of titanium alloys is important for reducing aircraft weight and improving aircraft performance.
- the titanium alloy itself has good corrosion resistance.
- it when it is in contact with aluminum alloy and alloy steel, it is prone to contact corrosion and failure due to the synergy between stress and the environment.
- Contact corrosion is a kind of galvanic corrosion, that is, dissimilar metals are in contact with the same medium. Due to the difference in metal potential, the dissolution rate of the metal with lower potential is accelerated, causing local corrosion at the contact.
- the fundamental measure for controlling contact corrosion is to properly select the coating material, properly perform surface modification and surface coating treatment, so that the potential of the dissimilar materials of the contact is close, thereby reducing or eliminating contact corrosion.
- the object of the present invention is to provide a hot dip coating alloy for surface coating of titanium alloy parts, and the anti-contact corrosion coating prepared by using the hot dip coating alloy does not under the harsh environment and stress.
- the peeling off and the resistance to contact with the candle are greatly improved, thereby completely solving the contact corrosion problem of the titanium alloy with the aluminum alloy and the steel material.
- the invention provides a hot dip coating alloy for surface coating of titanium alloy parts, wherein the hot dip coating alloy is composed of aluminum, silicon, zinc, rare earth elements, magnesium, iron, copper, manganese, chromium, zirconium and nano-oxidation.
- the composition of the particle reinforcing agent, the percentage of each component in the total mass is: silicon content: 8 ⁇ 24%, zinc content: 1.2 ⁇ 3.1%, rare earth element content: O.C2 ⁇ 0.5%, magnesium content: 0.5-3.2 %, iron content: 0.05-1%, copper content 0.05 ⁇ 0.5%, manganese content: 1.0-2.0%, chromium content: 0.5-2.0%, zirconium content: 0.02 ⁇ 0.5%, total content of nano-oxide particle enhancer : 1-2%, balance aluminum and unavoidable impurities, the nano oxide particles are selected from a reinforcing agent ⁇ 0 2, Ce0 2 in one or two.
- the specific surface ⁇ 0 2, Ce0 2 in one or two.
- D represents the average particle size
- the preferred surface area of the nano-oxide reinforcing agent of the present invention is larger than the calculated value of the above formula. :
- the Ti0 2 has an average particle diameter of 15 to 60 nm.
- the specific surface area of the ⁇ 0 0 2 is 20 to 90 m 2 /g.
- the average particle diameter of the Ce0 2 is 25 to 70 ⁇ .
- the specific surface area of the Ce0 2 is 10 to 80 m 2 /g.
- the enhancer is a nano-oxide particles 2 and Ti0 and when CeO 2, ⁇ 0 2 and CeO 2 mass ratio of 1: (1-3) "is more preferred, 2 and Ti0 and Ce (3 ⁇ 4 mass ratio of 1: 2 .
- each component comprises a total mass percentage: silicon content: 12-20%, zinc content: 1.5-2.5%, rare earth element content: 0.1-0.3%, magnesium content: 1-2.5%, iron content: 0.2 -0.8%, copper content 0.2 ⁇ 0.4%, manganese content: 1.5-2.0%, chromium content: 0.8 ⁇ 2.0%, zirconium content: 0.1 ⁇ 0.4%, total content of nano-oxide particle reinforcing agent: 1.2 ⁇ 1.8%.
- the present invention also provides a method for manufacturing the hot dip coating alloy, first in an atmosphere protection melting furnace, the aluminum silicon alloy is first heated to 750 ⁇ 800 ° C fully melted, and then heated to 845 ⁇ 855 ° C After adding rare earth elements, stir the rod evenly, then heat up to 860 ⁇ 880 °C, add zinc, cool down to 700 ⁇ 750 °C and then add nano-oxide particle enhancer and magnesium, iron, copper, manganese, chromium, Zirconium is obtained by mechanical and electromagnetic compound mixing, and then the temperature is lowered to 700 ⁇ 650 °C for 20 ⁇ 30 minutes.
- the heating rate in the heating process is 10 to 40 ° C / min
- the cooling rate in the cooling process is 20 to 60 ° C / min.
- the aluminum-silicon coating used in the invention is an effective coating for preventing corrosion of titanium alloy, especially high temperature corrosion, wherein aluminum mainly provides corrosion performance and long-lasting corrosion resistance under the condition of temperature; and silicon can further improve wear resistance of the coating. Sexual and high temperature corrosion resistance.
- the present invention refines the grain of the coating by adding a nano oxide particle reinforcing agent. , significantly improved its ambiguity, and its peers significantly improved the resistance to contact corrosion.
- the coating's ability to resist atmospheric corrosion, electrochemical corrosion, and airflow erosion is significantly improved, and the strength and hardness of the coating are significantly improved to give the coating better erosion resistance.
- the disturbing corrosion resistance of the coating can be more significantly improved.
- the particle size of the nano-oxide particle reinforcing agent adopts the numerical range of the present invention, and the wear resistance of the coating layer can be greatly improved, and the specific surface area of the nano-oxide particle reinforcing agent adopts the numerical range of the present invention.
- the degree of aggregation of the alloy can be greatly improved, thereby more significantly improving the anti-scourability of the alloy coating.
- the further addition of zinc to the coating provides very good cathodic protection, while the rare earth further refines the crystal grains of the alloy and enhances the wear resistance and fluidity of the alloy.
- microalloying elements such as magnesium, iron, copper, manganese, chromium, zirconium, etc.
- the addition of these microalloying elements can further refine the grains and strengthen the strengthening phase in the coating, also from the alloy It has a solid solution effect and further improves the toughness and stability of the coating, and further improves the toughness and corrosion resistance of the coating.
- magnesium can also improve the affinity of the coating, corrosion resistance and room temperature strength of the alloy, while iron can also improve the anti-oxidation effect. Copper can also improve the hardness and flexural strength.
- Manganese can further improve the surface quality of the coating.
- Chromium can also improve the protection of the initial oxide film.
- Zirconium can also refine the grain structure and improve the mechanical properties and corrosion resistance of the coating.
- the present invention also provides a method for adding hot dip alloying elements by using multiple temperature sections.
- the nano oxide particle reinforcing agent and various elements can be dispersed with the increase of temperature. Properties, thereby improving the uniformity of the coating composition and significantly increasing the bonding strength of the coating to the substrate.
- the invention adopts a part of the temperature section to add a part of the hot dip coating alloy element, and then reduces the temperature to a certain temperature, then adds the nano oxide particle reinforcing agent, and finally cools and keeps the temperature for a certain time, thus overcoming the above defects.
- a coating with uniform composition and good toughness was obtained.
- the invention improves the alloy and its smelting process, and can form a coating with good corrosion resistance and wear resistance on the surface of the titanium alloy and metallurgical bonding with the substrate.
- the coating potential is close to that of aluminum alloy and other materials, which can prevent contact corrosion of titanium alloy parts and aerospace materials such as aluminum alloys and high-temperature alloys. ⁇
- the anti-contact corrosion coating prepared by using the hot dip coating alloy does not peel off even under the harsh environment and stress, and the performance against contact corrosion is greatly improved, thereby completely solving the problem.
- the contact corrosion of titanium alloys with aluminum alloys and steel materials is of great significance for further expanding the application of titanium alloys in the aerospace industry and promoting the improvement of aircraft performance.
- the hot dip coating alloy for the surface coating of titanium alloy parts of the present invention wherein the hot dip coating alloy is made of aluminum, silicon, zinc, rare earth elements, magnesium, iron, copper, manganese, chromium, zirconium and nano oxides.
- the composition of the particle enhancer, the percentage of each component in the total mass is: silicon content: 8 ⁇ 24%, zinc content: 1.2 ⁇ 3.1%, rare earth element content: 0.02-0.5%, magnesium content: 0.5-3.2%, iron Content: 0.05-1%, copper content 0.05 ⁇ 0.5%, manganese content: 1.0-2.0%, chromium content: 0.5-2.0%, zirconium content: 0.02 ⁇ 0.5%, total content of nano-oxide particle enhancer: 1 ⁇ 2 %, the balance is aluminum and unavoidable impurities, the nano oxide particle reinforcing agent is selected from one or two of Ti0 2 and Ce0 2 , wherein the impurities which are impossible to avoid are usually Pb, Sn, Cd Impurity elements that cannot be completely removed
- the performance of the coating can be more significantly improved, if the nano-oxide particles used are uniform spheres.
- the specific surface area and average particle size of the sphere satisfy the following relationship:
- D represents the average particle size
- the preferred surface area of the preferred nano-oxide particles of the present invention is larger than the calculated value of this formula.
- the Ti0 2 has an average particle diameter of 15 to 60 nm.
- the specific surface area of the Ti0 2 is 20 to 90 m 2 /g.
- the nano-oxide particles are used (3 ⁇ 40 2 , the CeO 2 has an average particle diameter of 25 to 70 ⁇ .
- the specific surface area of the Ce0 2 is 10 to 80 m 2 /g.
- the core content is By adding a certain amount of nano-oxide particle reinforcing agent, it is possible to refine the grain of the coating, improve its toughness, improve its resistance to contact corrosion, and overcome the adverse effects caused by excessive silicon content.
- the appropriate particle size and suitable specific surface area it is only to make this technology more prominent and superior, therefore, although both of the following Tables 1-3 are listed at the same time.
- the parameters, but only the more preferred conditions, are intended to give a more detailed description of the technical information of the present invention, and are not described as essential to the present invention.
- the hot dip coating alloy is composed of aluminum, silicon, zinc, magnesium, iron, copper, manganese, chromium, zirconium, rare earth elements and 13 ⁇ 43 ⁇ 4 nanometer oxide particle reinforcing agent, and the percentage of each component in the total mass is: silicon content : 8-24% , Zinc content: 1.2-3.1 % , Rare earth element content: 0.02-0.5 %, Magnesium content: 0.5-3.2%, Iron content: 0.05-1%, Copper content 0.05-0.5%, Manganese content: 1.0-2.0%, complex content: 0.5-2.0%, zirconium content: 0.02-0.5%, ⁇ 0 2 content: 1 ⁇ 2%, balance is aluminum, see Table 1 below for details:
- the hot dip coating alloy is composed of aluminum, silicon, zinc, magnesium, iron, copper, manganese, chromium, zirconium, rare earth elements and CeO ft rice oxide particle reinforcing agent, and the percentage of each component in the total mass is: silicon Content: 8-24%, Zinc content: 1.2-3.1%, Rare earth element content: 0.02-0.5%, Magnesium content: 0.5-3.2%, Iron content: 0.05-1%, Copper content 0.05-0.5%, Manganese content : 1.0 ⁇ 2.0%, Chromium content: 0.5 ⁇ 2.0%, Zirconium content: 0.02 ⁇ 0.5%, Ce0 2 content: 1 ⁇ 2%, balance is aluminum, see Table 2 below for details:
- the hot dip coating alloy is composed of aluminum, silicon, zinc, magnesium, iron, copper, manganese, chromium, zirconium, rare earth elements and nano oxide particle reinforcing agents, wherein the nano oxide particles are Ti0 2 and Ce0 2 , and The ratio of ⁇ 3 ⁇ 4 and Ce0 2 is 1: (1 ⁇ 3), the percentage of each component in total mass is: silicon content: S ⁇ 24%, zinc content: 1.2 ⁇ 3.1%, content of rare earth elements: 0.02-0.5 %, Magnesium content: 0.5-3.2%, Iron content: 0.05-1%, Copper content 0.05 ⁇ 0.53 ⁇ 4, Manganese content: 1.0-2.0%, Chromium content: 0.5-2.0%, Zirconium content: 0.02-0.5%, Ti0 2 and Ce0 2 total content: 1 ⁇ 2%, the balance is aluminum, see Table 3 below for details:
- each component comprises a total mass percentage: silicon content: 12-20%, zinc content: 1.5 ⁇ 2.5%, rare earth element content: 0.1 ⁇ 0.3%, magnesium content: 1 -2.5%, iron content: 0.2 ⁇ 0.8%, copper content 0.2 ⁇ 0.4%, manganese content: 1.5 ⁇ 2.0%, chromium content: 0.8 ⁇ 2.0%, zirconium content: 0.1 ⁇ 0.4%, nano-oxide particle enhancer Total content: 1 ⁇ 2 ⁇ 1 ⁇ 8%
- the silicon content is preferably 15 20%, more preferably 19%.
- the bulk density of the nano-oxide particle reinforcing agent used in the present invention can be appropriately selected, the properties and effects of the finally obtained coating layer are more desirable. If Ti0 2 is used, it is preferred that the bulk density of the Ti0 2 does not exceed 3 g/cm 3 .
- Ce0 2 is used, wherein the Ce0 2 has a bulk density of no more than 5 g/cm 3 .
- Ti0 2 and Ce0 2 are used at the same time, it is preferred that the Ti0 2 and . 6 (3 ⁇ 4 average loose density is 0.6 ⁇ 4.5 g/cm.
- the present invention also provides a method for manufacturing the hot dip coating alloy according to the quality of aluminum, silicon, zinc, rare earth elements, magnesium, iron, copper, manganese, chromium, zirconium and nano oxide particle reinforcing agents.
- Percentage preparation first in the atmosphere protection melting furnace, the aluminum-silicon alloy is first heated to 750 ⁇ 800 ⁇ fully melted, and then heated to 845 ⁇ 855 ° C, then add rare earth elements, stir evenly, and then heat to 860 ⁇ 880 ° C after heating
- the aluminum silicon alloy is first heated in the atmosphere protection melting furnace.
- the atmosphere protection melting furnace To 780 ⁇ 80 (TC fully melted, and then heated to 850 ⁇ 855, add rare earth elements, stir evenly, then heat up to 870 ⁇ 880 ⁇ , add zinc, cool down to 730 ⁇ 700 ⁇ and then add nano-oxide particle enhancer and Magnesium, iron, copper, manganese, chromium, zirconium, evenly stirred by mechanical and electromagnetic compound, and then the temperature is reduced to 68Q ⁇ 65 (TC is kept for 20-25 minutes).
- the temperature is lowered to 720-700 ° C and then the nano-oxide particle reinforcing agent and magnesium, iron, copper, manganese, chromium, and zirconium are simultaneously added; and finally the temperature is lowered to 690-660 ⁇ for 22 to 28 minutes.
- the temperature is lowered to 710 ° C and the nano oxide particle reinforcing agent and magnesium, iron, copper, manganese, chromium, zirconium are simultaneously added; finally, the temperature is lowered to 680 ° C for 25 minutes.
- the heating rate during the heating is 10 to 40 ° C / min
- the cooling rate during the cooling is 20 to 60 ° C / min.
- the heating rate during the heating is 20 to 30 ° C / min
- the cooling rate during the cooling is 30 to 50 ° C / min.
- TA6 parts after treatment, using the hot dip coating alloy of the present invention as a plating material to form a 200 thick coating, in contact with GH30 parts, with reference to aviation standard HB5374, standard galvanic corrosion test in 3% NaCl solution, average The galvanic current density is 0.27, the Class A corrosion resistance standard is reached, and no cracks appear in the coating.
- the invention can form a coating with good corrosion resistance, wear resistance and metallurgical bonding on the surface of the titanium alloy through the improvement of the plating material and the plating process. Any adaptations made on the basis of the present invention are within the scope of the present invention without departing from the spirit of the invention.
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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EP10840346.0A EP2520688B1 (en) | 2009-12-28 | 2010-03-31 | Hot-dip alloy containing aluminium, silicon, zinc, rare earth, magnesium, iron, copper, manganese, chromium and zirconium and preparation method thereof |
US13/127,230 US8828314B2 (en) | 2009-12-28 | 2010-03-31 | Hot-dip plating alloy containing Al—Si—Zn—RE—Mg—Fe—Cu—Mn—Cr—Zr and preparation method thereof |
JP2012538171A JP5478730B2 (ja) | 2009-12-28 | 2010-03-31 | アルミ−ケイ素−亜鉛−希土−マグネシウム−鉄−銅−マンガン−クロム−ジルコニウム含有の熱溶融めっき合金及びその製造方法 |
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CN200910262737.X | 2009-12-28 | ||
CN200910262737XA CN101736248B (zh) | 2009-12-28 | 2009-12-28 | 含铝-硅-锌-稀土-镁-铁-铜-锰-铬-锆的热浸镀合金及其制备方法 |
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US (1) | US8828314B2 (zh) |
EP (1) | EP2520688B1 (zh) |
JP (1) | JP5478730B2 (zh) |
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WO (1) | WO2011079556A1 (zh) |
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CN101760716B (zh) * | 2009-12-28 | 2011-09-21 | 江苏麟龙新材料股份有限公司 | 一种在钛合金表面制备抗接触腐蚀涂层的方法 |
CN101760717B (zh) * | 2009-12-28 | 2011-09-21 | 江苏麟龙新材料股份有限公司 | 一种对耐海洋气候工程零件涂层进行扩散处理的方法 |
CN103131984A (zh) * | 2011-11-29 | 2013-06-05 | 贵州铝厂 | 高性能低锌热浸镀铝合金镀层材料 |
CN103710597A (zh) * | 2013-12-17 | 2014-04-09 | 芜湖万润机械有限责任公司 | 一种大功率led灯基板用铝合金型材的制备方法 |
CN103710652A (zh) * | 2013-12-17 | 2014-04-09 | 芜湖万润机械有限责任公司 | 一种高耐损伤铝合金型材的制备方法 |
CN103725933A (zh) * | 2013-12-17 | 2014-04-16 | 芜湖万润机械有限责任公司 | 一种柴油机活塞用铝合金型材的制备方法 |
CN104213007A (zh) * | 2014-06-10 | 2014-12-17 | 上海中捷有色金属有限公司 | 铝锌硅稀土锭及其制备方法 |
CN107923429B (zh) * | 2015-08-28 | 2020-07-28 | 日本发条株式会社 | 紧固部件以及紧固部件用棒状部件 |
CN113174517B (zh) * | 2021-04-30 | 2022-12-06 | 余姚思酷迈文具有限公司 | 耐蚀型Al-Si合金及其增材制备方法 |
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- 2010-03-31 JP JP2012538171A patent/JP5478730B2/ja active Active
- 2010-03-31 US US13/127,230 patent/US8828314B2/en active Active
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Also Published As
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US20120224993A1 (en) | 2012-09-06 |
EP2520688A1 (en) | 2012-11-07 |
CN101736248B (zh) | 2011-04-20 |
CN101736248A (zh) | 2010-06-16 |
EP2520688B1 (en) | 2016-11-16 |
JP5478730B2 (ja) | 2014-04-23 |
US8828314B2 (en) | 2014-09-09 |
JP2013510945A (ja) | 2013-03-28 |
EP2520688A4 (en) | 2015-07-01 |
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