TWI834422B - Method for making high-strength aluminum-based composite counterweight blocks - Google Patents
Method for making high-strength aluminum-based composite counterweight blocks Download PDFInfo
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- TWI834422B TWI834422B TW111147083A TW111147083A TWI834422B TW I834422 B TWI834422 B TW I834422B TW 111147083 A TW111147083 A TW 111147083A TW 111147083 A TW111147083 A TW 111147083A TW I834422 B TWI834422 B TW I834422B
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 33
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 40
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 21
- 239000000843 powder Substances 0.000 claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 230000032683 aging Effects 0.000 claims abstract description 14
- 239000006104 solid solution Substances 0.000 claims abstract description 12
- 238000010791 quenching Methods 0.000 claims abstract description 10
- 230000000171 quenching effect Effects 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000956 alloy Substances 0.000 claims description 18
- 230000005484 gravity Effects 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000007769 metal material Substances 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 11
- 210000001161 mammalian embryo Anatomy 0.000 claims description 7
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 7
- 229910001008 7075 aluminium alloy Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims description 3
- 238000005097 cold rolling Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000005242 forging Methods 0.000 claims description 3
- 238000005098 hot rolling Methods 0.000 claims description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 3
- 239000008240 homogeneous mixture Substances 0.000 claims 1
- 238000005245 sintering Methods 0.000 abstract description 21
- 229910052751 metal Inorganic materials 0.000 abstract description 15
- 239000002184 metal Substances 0.000 abstract description 15
- 239000011149 active material Substances 0.000 abstract description 4
- 238000011049 filling Methods 0.000 abstract description 4
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 4
- 238000009766 low-temperature sintering Methods 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 238000004663 powder metallurgy Methods 0.000 description 8
- 238000005266 casting Methods 0.000 description 7
- 238000001746 injection moulding Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 229910000943 NiAl Inorganic materials 0.000 description 2
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 210000002257 embryonic structure Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
本發明係提供一種高強度鋁基複材配重塊製作方法，選用鋁合金粉為結構基材，與鎳粉為燒結活性材及高比重金屬粉為填充材，利用鎳粉增加結構強度，另利用高比重金屬粉之添加，以增加並調整配重塊之密度，採用冷壓成型方式製作塊材生胚體，後續再經真空燒結、高壓壓製、固溶、水淬與時效製程，提升燒結體強度，以獲得低溫燒結高強度鋁基複材配重塊。 The invention provides a method for making high-strength aluminum-based composite weight blocks. Aluminum alloy powder is selected as the structural base material, nickel powder is used as the sintered active material and high-density metal powder is used as the filling material. The nickel powder is used to increase the structural strength. The addition of high-specific-heavy metal powder is used to increase and adjust the density of the counterweight block. The block green body is made by cold pressing. It is then subjected to vacuum sintering, high-pressure pressing, solid solution, water quenching and aging processes to improve sintering. Body strength to obtain low-temperature sintering high-strength aluminum-based composite weight blocks.
Description
本發明係關於一種配重塊製作方法，特別是關於一種高強度鋁基複材配重塊製作方法。 The present invention relates to a method for making a counterweight block, and in particular to a method for making a high-strength aluminum-based composite counterweight block.
一般傳統配重塊之材質以鐵基或鎢基金屬成份居多，其製造方法多為鑄造法、粉末冶金法或射出成型法，鑄造法之加熱溫度需超過金屬熔點，粉末冶金法或射出成型法之生胚燒結溫度需高達800℃以上。 Generally, traditional counterweights are mostly made of iron-based or tungsten-based metal components, and their manufacturing methods are mostly casting, powder metallurgy or injection molding. The heating temperature of the casting method needs to exceed the melting point of the metal, powder metallurgy or injection molding. The sintering temperature of the green embryo needs to be as high as 800℃ or above.
因傳統鐵基或鎢基金屬配重塊之製造方法多為鑄造法、粉末冶金法或射出成型法，鑄造法之加熱溫度需超過金屬熔點，再澆注金屬熔湯鑄造，另鐵基或鎢基材之粉末冶金法或射出成型法之生胚，燒結溫度需高達800℃以上，胚體才可燒結緻密，耗費許多製程時間及能源損耗。 Because the traditional manufacturing methods of iron-based or tungsten-based metal weights are mostly casting, powder metallurgy or injection molding, the heating temperature of the casting method needs to exceed the melting point of the metal, and then the molten metal is poured into the casting. For green embryos produced by powder metallurgy or injection molding, the sintering temperature must be as high as 800°C or above before the embryo can be sintered densely, which consumes a lot of process time and energy loss.
綜上所述，目前配重塊製作方法仍有缺陷，因此本案之申請人經苦心研究發展出了一種高強度鋁基複材配重塊製作方法，有效解決燒結溫度需高達800℃以上，胚體才可燒結緻密，耗費許多製程時間及能源損耗之問題。 In summary, the current counterweight block manufacturing method still has shortcomings. Therefore, the applicant in this case has painstakingly researched and developed a high-strength aluminum-based composite counterweight block manufacturing method, which effectively solves the problem that the sintering temperature needs to be as high as 800°C or above. The body can be sintered densely, which consumes a lot of process time and energy consumption.
鑒於上述悉知技術之缺點，本發明之主要目的在 於提供一種高強度鋁基複材配重塊製作方法，將原料中鐵基或鎢基材成分轉換成鋁合金材，並添加鎳材增加燒結活性，以增加基材結構強度，另以高比重金屬粉為填充材，調整不同比例高比重金屬粉添加量，藉以調整配重塊之比重，後續再經真空燒結、高壓壓製、固溶、水淬與時效製程，提升燒結體強度，以獲得低溫燒結高強度鋁基複材配重塊 In view of the shortcomings of the above-mentioned known technologies, the main purpose of the present invention is to To provide a method for making high-strength aluminum-based composite weight blocks, which converts the iron-based or tungsten-based material components in the raw materials into aluminum alloy materials, and adds nickel materials to increase the sintering activity to increase the structural strength of the base material. In addition, it uses a high ratio Heavy metal powder is used as filler material. The amount of high-specific heavy metal powder added in different proportions is adjusted to adjust the specific gravity of the counterweight. Subsequently, vacuum sintering, high-pressure pressing, solid solution, water quenching and aging processes are performed to increase the strength of the sintered body to obtain low temperature. Sintered high-strength aluminum-based composite weight block
為了達到上述目的，根據本發明所提出之一方案，提供一種高強度鋁基複材配重塊製作方法，步驟包括：(A)提供一鋁合金材與一鎳材及一高比重金屬材，將該鋁合金材與該鎳材及該高比重金屬材混合成一均勻混合物；(B)將該均勻混合物進行一冷壓成型製程而得一生胚體；(C)將該生胚體於真空環境下進行一熱處理製程而得一燒結體；(D)將該燒結體進行一高壓製程而得一配重塊坯體；(E)將該配重塊坯體進行一固溶、水淬與時效製程而得一高強度鋁基複材配重塊；其中該高比重金屬材係選自鎢粉、鉭粉、鉬粉、銀粉、銅粉及鉛粉其中之一或上述材料之混合物，其中該熱處理製程的熱處理溫度範圍係為350~450℃。 In order to achieve the above object, according to a solution proposed by the present invention, a method for making a high-strength aluminum-based composite weight block is provided. The steps include: (A) providing an aluminum alloy material, a nickel material and a high specific gravity metal material, Mix the aluminum alloy material, the nickel material and the high specific gravity metal material into a uniform mixture; (B) subject the uniform mixture to a cold pressing forming process to obtain a green embryo; (C) place the green embryo in a vacuum environment A heat treatment process is performed to obtain a sintered body; (D) The sintered body is subjected to a high-pressure process to obtain a counterweight block green body; (E) The counterweight block green body is subjected to solid solution, water quenching and aging A high-strength aluminum-based composite weight block is obtained through the manufacturing process; wherein the high specific gravity metal material is selected from one of tungsten powder, tantalum powder, molybdenum powder, silver powder, copper powder and lead powder or a mixture of the above materials, wherein the The heat treatment temperature range of the heat treatment process is 350~450℃.
較佳地，鋁合金材係可選自7050及7075鋁合金粉材料其中之一或上述材料之混合物。 Preferably, the aluminum alloy material can be selected from one of 7050 and 7075 aluminum alloy powder materials or a mixture of the above materials.
較佳地，步驟(A)中係可利用攪拌或球磨進行混合該鋁合金材與該高比重金屬材。 Preferably, in step (A), stirring or ball milling can be used to mix the aluminum alloy material and the high specific gravity metal material.
較佳地，冷壓成型製程係可選用模壓或冷均壓製 程。 Preferably, the cold pressing forming process can be molding or cold pressing. Procedure.
較佳地，燒結成型的熱處理環境係選用真空。 Preferably, the heat treatment environment for sintering molding is vacuum.
較佳地，高壓製程係可選用高壓模壓、冷軋、熱軋、鍛造、擠壓、冷均壓或熱均壓製程。 Preferably, the high-pressure process system can use high-pressure molding, cold rolling, hot rolling, forging, extrusion, cold equalizing or hot equalizing.
較佳地，固溶製程的溫度範圍係可為430~470℃。 Preferably, the temperature range of the solid solution process can be 430~470°C.
較佳地，時效製程的溫度範圍係可為120~190℃。 Preferably, the temperature range of the aging process can be 120~190°C.
較佳地，時效製程的時間範圍係可為12~24小時。 Preferably, the time range of the aging process can be 12 to 24 hours.
以上之概述與接下來的詳細說明及附圖，皆是為了能進一步說明本發明達到預定目的所採取的方式、手段及功效。而有關本發明的其他目的及優點，將在後續的說明及圖式中加以闡述。 The above summary and the following detailed description and drawings are all intended to further illustrate the methods, means and effects adopted by the present invention to achieve the intended purpose. Other objects and advantages of the present invention will be elaborated in the subsequent description and drawings.
S1-S5:步驟 S1-S5: Steps
第一圖係為本發明之一種高強度鋁基複材配重塊製作方法流程圖。 The first figure is a flow chart of a method for manufacturing a high-strength aluminum-based composite weight block of the present invention.
以下係藉由特定的具體實例說明本發明之實施方式，熟悉此技藝之人士可由本說明書所揭示之內容輕易地了解本創作之優點及功效。 The following describes the implementation of the present invention through specific examples. Those familiar with the art can easily understand the advantages and effects of the present invention from the content disclosed in this specification.
請參閱第一圖，第一圖係為本發明之一種高強度鋁基複材配重塊製作方法流程圖。一種高強度鋁基複材配重 塊製作方法，步驟包括：步驟S1提供鋁合金材(鋁合金材係可選自7050、7075鋁合金粉材料其中之一或上述材料之混合物，以鋁合金取代純鋁，提升結構強度)與鎳材(添加鎳可增進鋁基燒結活性，以降低燒結溫度及增加基材結構強度，但需注意鎳與鋁在低溫會產生固態擴散(450℃)，隨溫度增高，會逐漸生成金屬層間化合物，如Ni3Al、NiAl、Ni2Al3、NiAl3與Ni2Al5等)及高比重金屬材(高比重金屬材係可選自鎢粉、鉭粉、鉬粉、銀粉、銅粉、鉛粉等材料其中之一或上述材料之混合物)，將鋁合金材、鎳材及高比重金屬材混合成均勻混合物，鋁合金材、鎳材及高比重金屬材的重量百分比係可為20：30：50，係可利用攪拌、球磨、行星式轉動混合、高速均質混合進行混合鋁合金材、鎳材與高比重金屬材。步驟S2將均勻混合物進行冷壓成型製程而得生胚體，冷壓成型製程係可選用模壓、冷均壓等製程。步驟S3將生胚體於真空環境下進行熱處理製程而得燒結體，熱處理製程的熱處理溫度範圍係可為350~450℃。步驟S4將燒結體進行高壓製程而得低溫燒結配重塊坯體，高壓製程係可選用高壓模壓、冷軋、熱軋、鍛造、擠壓、冷均壓、熱均壓等製程。步驟S5將配重塊坯體進行一固溶製程(溫度範圍係可為430~470℃)、水淬製程與時效製程(溫度範圍係可為120~190℃、時間範圍係可為12~24小時)而得高強度鋁基複材配重塊。 Please refer to the first figure. The first figure is a flow chart of a method for manufacturing a high-strength aluminum-based composite weight block according to the present invention. A method for making a high-strength aluminum-based composite weight block, the steps include: Step S1 provides an aluminum alloy material (the aluminum alloy material can be selected from one of 7050, 7075 aluminum alloy powder materials or a mixture of the above materials, replaced by aluminum alloy Pure aluminum, improves structural strength) and nickel materials (adding nickel can increase the sintering activity of the aluminum base to lower the sintering temperature and increase the structural strength of the base material. However, it should be noted that nickel and aluminum will produce solid-state diffusion at low temperatures (450°C). With the temperature As the temperature increases, metal interlayer compounds will gradually be generated, such as Ni 3 Al, NiAl, Ni 2 Al 3 , NiAl 3 and Ni 2 Al 5 , etc.) and high specific gravity metal materials (high specific gravity metal materials can be selected from tungsten powder, tantalum powder, Molybdenum powder, silver powder, copper powder, lead powder and other materials or a mixture of the above materials), mix aluminum alloy materials, nickel materials and high specific gravity metal materials into a uniform mixture, aluminum alloy materials, nickel materials and high specific gravity metal materials The weight percentage of the system can be 20:30:50, and the system can use stirring, ball milling, planetary rotating mixing, and high-speed homogeneous mixing to mix aluminum alloy materials, nickel materials, and high-density metal materials. In step S2, the uniform mixture is subjected to a cold-pressing molding process to obtain a green embryo. The cold-pressing molding process may include molding, cold equalization, and other processes. In step S3, the green body is subjected to a heat treatment process in a vacuum environment to obtain a sintered body. The heat treatment temperature range of the heat treatment process may be 350~450°C. In step S4, the sintered body is subjected to a high-pressure process to obtain a low-temperature sintered weight block green body. The high-pressure process can include high-pressure molding, cold rolling, hot rolling, forging, extrusion, cold equalization, hot equalization and other processes. In step S5, the weight block blank is subjected to a solid solution process (the temperature range can be 430~470°C), a water quenching process and an aging process (the temperature range can be 120~190°C, and the time range can be 12~24 hours) to obtain high-strength aluminum-based composite weight blocks.
更詳言之，本發明採用粉末冶金法製備高強度鋁 基複材配重塊，製作流程，如第一圖所示，選用鋁合金粉為基材與鎳粉為燒結活性材及高比重金屬粉為填充材，利用鎳粉增加結構強度，另利用高比重金屬粉之添加，以增加並調整配重塊之密度，採用冷壓成型方式製作塊材生胚體，後續經真空燒結與高壓壓製製程，再經固溶、水淬與時效製程，提升燒結體密度，以獲得高強度鋁基複材配重塊。 In more detail, the present invention uses powder metallurgy to prepare high-strength aluminum The production process of base composite weight block is as shown in the first picture. Aluminum alloy powder is selected as the base material, nickel powder is used as the sintered active material and high specific gravity metal powder is used as the filling material. Nickel powder is used to increase the structural strength, and high-strength metal powder is used. Specific gravity metal powder is added to increase and adjust the density of the counterweight block, and the block green body is made by cold pressing, followed by vacuum sintering and high-pressure pressing processes, and then solid solution, water quenching and aging processes to improve sintering Body density to obtain high-strength aluminum-based composite weight blocks.
一般傳統配重塊之材質以鐵基成份居多，其製造方法為鑄造法、粉末冶金法或射出成型法，鑄造法之加熱溫度需超過金屬熔點，粉末冶金法或射出成型法之燒結溫度需高達800℃以上，為降低配重塊燒結溫度，將原料中鐵基材成分轉換成鋁合金材，並添加鎳材增加燒結活性，以降低燒結溫度及增加基材結構強度，另以高比重金屬粉為填充材，調整不同比例高比重金屬粉添加量，藉以調整配重塊之比重，採用冷壓成型方式製作塊材生胚體，後續再經真空燒結、高壓壓製、固溶、水淬與時效製程，提升燒結體強度，以獲得低溫燒結高強度鋁基複材配重塊。 Generally, traditional counterweights are mostly made of iron-based materials. Their manufacturing methods are casting, powder metallurgy or injection molding. The heating temperature of the casting method needs to exceed the melting point of the metal, and the sintering temperature of the powder metallurgy or injection molding method needs to be as high as Above 800℃, in order to reduce the sintering temperature of the counterweight block, the iron base material component in the raw material is converted into aluminum alloy material, and nickel material is added to increase the sintering activity, so as to reduce the sintering temperature and increase the structural strength of the base material. In addition, high specific heavy metal powder is used As a filler material, the amount of high-density metal powder added in different proportions is adjusted to adjust the specific gravity of the counterweight block. The green block body is made by cold pressing, which is then subjected to vacuum sintering, high-pressure pressing, solid solution, water quenching and aging. process to improve the strength of the sintered body to obtain low-temperature sintering high-strength aluminum-based composite weight blocks.
以上，以簡單之粉末冶金法製備低溫燒結高強度配重塊，燒結溫度可從鐵基材之800℃以上，降低至鋁基材400℃以下，以節省燒結所需之能耗，另可調整高比重金屬粉不同比例添加量，獲取不同比重之配重塊，增加不同使用環境之便利性。另鋁合金基材經固溶、水淬與時效製程，提升燒結體強度。 As above, low-temperature sintering high-strength weight blocks are prepared using a simple powder metallurgy method. The sintering temperature can be reduced from above 800°C for iron substrates to below 400°C for aluminum substrates to save energy consumption required for sintering. It can also be adjusted High specific gravity metal powder is added in different proportions to obtain counterweight blocks with different specific gravity, increasing the convenience of different use environments. In addition, the aluminum alloy base material undergoes solid solution, water quenching and aging processes to enhance the strength of the sintered body.
在本實例中，高強度鋁基複材配重塊製作方法，選用鋁合金粉為基材與鎳粉為燒結活性材及高比重鎢粉為填充材(增重材)，按20：30：50重量比經混合機均勻混合，再將混合物進行冷壓成型製作生胚，經360℃*2hr真空燒結與高壓壓製緻密化製程，再經固溶、水淬與時效製程，提升燒結體強度，以獲得低溫燒結高強度鋁基複材配重塊，如表1所示。可明顯發現配重塊之壓縮強度均大於410MPa以上，可作為理想之高強度配重塊優選材料。 In this example, the manufacturing method of high-strength aluminum-based composite weight blocks uses aluminum alloy powder as the base material, nickel powder as the sintered active material and high-specific gravity tungsten powder as the filling material (weight-increasing material), according to 20:30: 50 weight ratio is evenly mixed by a mixer, and then the mixture is cold-pressed to produce a green embryo. It undergoes a 360°C*2hr vacuum sintering and high-pressure pressing densification process, and then undergoes a solid solution, water quenching and aging process to improve the strength of the sintered body. In order to obtain low-temperature sintering high-strength aluminum-based composite weight blocks, as shown in Table 1. It can be clearly found that the compressive strength of the counterweight blocks is greater than 410MPa, which can be used as an ideal material for high-strength counterweight blocks.
綜上所述，本發明之高強度鋁基複材配重塊製作方法，選用鋁合金粉為結構基材，與鎳粉為燒結活性材及高比重金屬粉為填充材，利用鎳粉增加結構強度，另利用高比重金屬粉之添加，以增加並調整配重塊之密度，採用冷壓成型方式製作塊材生胚體，後續再經真空燒結、高壓壓製、固溶、水淬與時效製程，提升燒結體強度，以獲得低溫燒結高強度鋁基複材配重塊，可明顯發現配重塊之壓縮強度均大於410MPa以上，可作為理想之高強度配重塊優選材料。 In summary, the method for making a high-strength aluminum-based composite weight block of the present invention uses aluminum alloy powder as the structural base material, nickel powder as the sintered active material and high-density metal powder as the filling material, and uses nickel powder to increase the structure. Strength, in addition, the addition of high-density metal powder is used to increase and adjust the density of the counterweight block. The green block body is made by cold pressing molding, which is then subjected to vacuum sintering, high-pressure pressing, solid solution, water quenching and aging processes. , improve the strength of the sintered body to obtain low-temperature sintered high-strength aluminum-based composite weight blocks. It can be clearly found that the compressive strength of the weight blocks is greater than 410MPa, which can be used as an ideal material for high-strength weight blocks.
上述之實施例僅為例示性說明本創作之特點及功效，非用以限制本發明之實質技術內容的範圍。任何熟悉此技藝之人士均可在不違背創作之精神及範疇下，對上述實施例進行修飾與變化。因此，本發明之權利保護範圍，應如後述之申請專利範圍所列。 The above-mentioned embodiments are only for illustrating the characteristics and functions of the present invention, and are not intended to limit the scope of the actual technical content of the present invention. Anyone familiar with this art can modify and change the above embodiments without violating the spirit and scope of the creation. Therefore, the protection scope of the present invention should be as listed in the patent application scope described below.
S1-S5:步驟 S1-S5: Steps
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| CN101463439A (en) * | 2007-12-18 | 2009-06-24 | 中国科学院兰州化学物理研究所 | Preparation of nickel-aluminum intermetallic compound based high temperature self-lubricating composite material |
| CN105714135A (en) * | 2014-12-01 | 2016-06-29 | 中国科学院兰州化学物理研究所 | Preparation method of Ni-Al based low friction and abrasion resistant composite material |
| CN109112449A (en) * | 2018-10-23 | 2019-01-01 | 湖南大学 | A method of eliminating aluminum alloy die forgings residual stress |
| CN111500911A (en) * | 2020-06-03 | 2020-08-07 | 上海鑫烯复合材料工程技术中心有限公司 | Preparation method of high-toughness nano reinforced metal matrix composite material |
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| CN101463439A (en) * | 2007-12-18 | 2009-06-24 | 中国科学院兰州化学物理研究所 | Preparation of nickel-aluminum intermetallic compound based high temperature self-lubricating composite material |
| CN105714135A (en) * | 2014-12-01 | 2016-06-29 | 中国科学院兰州化学物理研究所 | Preparation method of Ni-Al based low friction and abrasion resistant composite material |
| CN109112449A (en) * | 2018-10-23 | 2019-01-01 | 湖南大学 | A method of eliminating aluminum alloy die forgings residual stress |
| CN111500911A (en) * | 2020-06-03 | 2020-08-07 | 上海鑫烯复合材料工程技术中心有限公司 | Preparation method of high-toughness nano reinforced metal matrix composite material |
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