CN112643019A - 一种高性能钛合金零件的制备方法 - Google Patents
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- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000005303 weighing Methods 0.000 claims abstract description 8
- 238000007731 hot pressing Methods 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims description 16
- 229910052593 corundum Inorganic materials 0.000 claims description 9
- 239000010431 corundum Substances 0.000 claims description 9
- 238000004321 preservation Methods 0.000 claims description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 8
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 7
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 7
- 229920002121 Hydroxyl-terminated polybutadiene Polymers 0.000 claims description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 7
- YYQRGCZGSFRBAM-UHFFFAOYSA-N Triclofos Chemical compound OP(O)(=O)OCC(Cl)(Cl)Cl YYQRGCZGSFRBAM-UHFFFAOYSA-N 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052796 boron Inorganic materials 0.000 claims description 7
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 7
- 235000013539 calcium stearate Nutrition 0.000 claims description 7
- 239000008116 calcium stearate Substances 0.000 claims description 7
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 7
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 7
- 229910052863 mullite Inorganic materials 0.000 claims description 7
- 235000010413 sodium alginate Nutrition 0.000 claims description 7
- 229940005550 sodium alginate Drugs 0.000 claims description 7
- 239000000661 sodium alginate Substances 0.000 claims description 7
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 229960001147 triclofos Drugs 0.000 claims description 7
- OMQSJNWFFJOIMO-UHFFFAOYSA-J zirconium tetrafluoride Chemical compound F[Zr](F)(F)F OMQSJNWFFJOIMO-UHFFFAOYSA-J 0.000 claims description 7
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
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- 239000002245 particle Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims 2
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- 238000007599 discharging Methods 0.000 abstract description 4
- 238000010791 quenching Methods 0.000 abstract 1
- 238000005496 tempering Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000005266 casting Methods 0.000 description 6
- 238000005242 forging Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000004663 powder metallurgy Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
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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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/14—Making alloys containing metallic or non-metallic fibres or filaments by powder metallurgy, i.e. by processing mixtures of metal powder and fibres or filaments
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
- C22C49/10—Refractory metals
- C22C49/11—Titanium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
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- B22—CASTING; POWDER METALLURGY
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/248—Thermal after-treatment
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- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
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Abstract
本发明公开了一种高性能钛合金零件的制备方法,先按重量份称取各原料,再将各原料经高速搅拌机混合均匀,装入模具后送入液压机中,热压制得到压坯,将压坯冷却至室温后,再加热保温,取出压坯;将压坯送入热压成型炉中,分两次加热保温,随炉冷却出炉;最后在CO2的氛围中于淬火,然后回火,即得高性能钛合金零件。本发明方法制备得到的钛合金零件密度较高,表面硬度也相对较高,具有良好的耐磨性与硬度,可在高负荷、高温条件等苛刻的条件下工作,能很好地应用于各个领域。
Description
技术领域
本发明涉及一种高性能钛合金零件的制备方法。
技术背景
钛及钛合金具有密度小、比强度高、耐腐蚀等特点,在航空航天、机械制造、国防军事和生物医疗等领域有广泛的应用。在传统的金属零部件制造业,钛合金零部件主要通过铸造、锻造或粉末冶金工艺制造。对于铸造工艺,因为钛合金液体活性非常大,钛合金熔化和铸造用的模具材料的成本都很高,所以钛合金的铸件成本很高。同时,因为铸造缺陷和铸造凝固组织粗大,铸造钛合金零部件的力学性能达不到铸锭冶金钛合金材质的力学性能水平。而对于锻造工艺,在锻造工艺条件合适的前提下,锻造工艺制造的钛合金零部件材质的综合力学性能都很好,能达到铸锭冶金钛合金的力学性能水平,但是由于金属固态流动范围的限制以及去除表面氧含量超标的脆性α层的需要,钛合金锻造工艺制造出的零部件毛坯与最终零部件的尺寸和形状相差很多,导致通常超过50%的材料要通过机加工去除,材料利用率很低。钛合金属于不易机加工金属,机加工成本很高,这导致通过锻造-机加工工艺过程制造的零部件成本很高。粉末冶金技术不受熔炼限制,既可以加入合金成分,也可以加入其它结构组分,并且在相当大的范围内根据要求进行调整,进而在力学性能上能达到与零件匹配的效果。粉末冶金机械化程度高,既能减少人员,又能提高效率,进而节约成本。所以本发明通过优化的原料组合,合理设置配比和生产工艺,设计出一种新的粉末冶金工艺,从而制得密度高、强度高,塑性好的高性能钛合金零件。
发明内容
本发明的目的在于针对现有技术的不足,提供一种高性能钛合金零件的制备方法。
本发明的目的是通过以下技术方案实现的: 一种高性能钛合金零件的制备方法,所述方法包括以下步骤:
步骤1、按重量份称取如下原料:钛粉60-90份、铝粉20-30份、钼粉3-4份、不锈钢粉10-16份、羰基镍粉5-11份、铬粉4-9份、端羟基聚丁二烯4-10份、丙烯酰胺2-4份、氟化锆1-5份、粒状石墨粉5-9份、莫来石2-3份、海藻酸钠2-3份、三聚磷酸钠1-2份、磷酸三氯乙酯5-8份、刚玉粉2-3份、纳米硼纤维6-8份、硬酯酸钙1-2份、双叔丁基过氧异丙基苯3-8份、乙烯基三乙氧基硅烷2-5份、硅酸锆3-6份;
步骤2、将各原料经高速搅拌机混合均匀,装入模具后送入液压机中,在压力15-30Mpa,温度120-200℃,保压时间5-20分钟条件下热压制得到压坯,将压坯冷却至室温后放置3-4小时,再放入300-350℃条件下,保温2-3小时,取出压坯;
步骤3、将压坯送入热压成型炉中,先加热到700-900℃保温1-3小时,再加热升温到1100-1300℃,保温2-6小时,随炉冷却至70℃以下出炉;
步骤4:在CO2的氛围中于950-1100℃保温1.5-2.5小时,然后降温至120-180℃保温1.5-1.8小时,即得高性能钛合金零件。
进一步,按重量份称取如下原料:钛粉8份、铝粉25份、钼粉3.5份、不锈钢粉13份、羰基镍粉8份、铬粉6份、端羟基聚丁二烯7份、丙烯酰胺3份、氟化锆3份、粒状石墨粉7份、莫来石2.5份、海藻酸钠2.5份、三聚磷酸钠1.5份、磷酸三氯乙酯6份、刚玉粉2.5份、纳米硼纤维7份、硬酯酸钙1.5份、双叔丁基过氧异丙基苯6份、乙烯基三乙氧基硅烷3.5份、硅酸锆4.5份。
进一步,所述保护气氛为CO2。
进一步,将各原料经高速搅拌机混合均匀,装入模具后送入液压机中,在压力24Mpa,温度160℃,保压时间10分钟条件下热压制得到压坯。
进一步,所述刚玉粉的粒径为200-300目。
本发明具有以下有益效果:本发明方法制备得到的钛合金零件密度较高,表面硬度也相对较高,具有良好的耐磨性与硬度,可在高负荷、高温条件等苛刻的条件下工作,能很好地应用于各个领域。
具体实施方式
实施例1
一种高性能钛合金零件的制备方法,所述方法包括以下步骤:
步骤1、按重量份称取如下原料:钛粉60份、铝粉20份、钼粉3份、不锈钢粉10份、羰基镍粉5份、铬粉4份、端羟基聚丁二烯4份、丙烯酰胺2份、氟化锆1份、粒状石墨粉5份、莫来石2份、海藻酸钠2份、三聚磷酸钠1份、磷酸三氯乙酯5份、刚玉粉2份、纳米硼纤维6份、硬酯酸钙1份、双叔丁基过氧异丙基苯3份、乙烯基三乙氧基硅烷2份、硅酸锆3份;
步骤2、将各原料经高速搅拌机混合均匀,装入模具后送入液压机中,在压力15Mpa,温度120℃,保压时间5分钟条件下热压制得到压坯,将压坯冷却至室温后放置3小时,再放入300℃条件下,保温2小时,取出压坯;
步骤3、将压坯送入热压成型炉中,先加热到700℃保温1小时,再加热升温到1100℃,保温2小时,随炉冷却至70℃以下出炉;
步骤4:在CO2的氛围中于950℃保温1.5小时,然后降温至120℃保温1.5小时,即得高性能钛合金零件。
实施例2
一种高性能钛合金零件的制备方法,所述方法包括以下步骤:
步骤1、按重量份称取如下原料:钛粉8份、铝粉25份、钼粉3.5份、不锈钢粉13份、羰基镍粉8份、铬粉6份、端羟基聚丁二烯7份、丙烯酰胺3份、氟化锆3份、粒状石墨粉7份、莫来石2.5份、海藻酸钠2.5份、三聚磷酸钠1.5份、磷酸三氯乙酯6份、刚玉粉2.5份、纳米硼纤维7份、硬酯酸钙1.5份、双叔丁基过氧异丙基苯6份、乙烯基三乙氧基硅烷3.5份、硅酸锆4.5份;
步骤2、将各原料经高速搅拌机混合均匀,装入模具后送入液压机中,在压力24Mpa,温度160℃,保压时间10分钟条件下热压制得到压坯,将压坯冷却至室温后放置3.5小时,再放入320℃条件下,保温2.5小时,取出压坯;
步骤3、将压坯送入热压成型炉中,先加热到800℃保温2小时,再加热升温到1200℃,保温4小时,随炉冷却至70℃以下出炉;
步骤4:在CO2的氛围中于1050℃保温2小时,然后降温至150℃保温1.6小时,即得高性能钛合金零件。
实施例3
一种高性能钛合金零件的制备方法,所述方法包括以下步骤:
步骤1、按重量份称取如下原料:钛粉90份、铝粉30份、钼粉4份、不锈钢粉16份、羰基镍粉11份、铬粉9份、端羟基聚丁二烯10份、丙烯酰胺4份、氟化锆5份、粒状石墨粉9份、莫来石3份、海藻酸钠3份、三聚磷酸钠2份、磷酸三氯乙酯8份、刚玉粉3份、纳米硼纤维8份、硬酯酸钙2份、双叔丁基过氧异丙基苯8份、乙烯基三乙氧基硅烷5份、硅酸锆6份;
步骤2、将各原料经高速搅拌机混合均匀,装入模具后送入液压机中,在压力30Mpa,温度200℃,保压时间20分钟条件下热压制得到压坯,将压坯冷却至室温后放置4小时,再放入350℃条件下,保温3小时,取出压坯;
步骤3、将压坯送入热压成型炉中,先加热到900℃保温3小时,再加热升温到1300℃,保温6小时,随炉冷却至70℃以下出炉;
步骤4:在CO2的氛围中于1100℃保温2.5小时,然后降温至180℃保温1.8小时,即得高性能钛合金零件。
Claims (5)
1.一种高性能钛合金零件的制备方法,其特征在于所述方法包括以下步骤:
步骤1、按重量份称取如下原料:钛粉60-90份、铝粉20-30份、钼粉3-4份、不锈钢粉10-16份、羰基镍粉5-11份、铬粉4-9份、端羟基聚丁二烯4-10份、丙烯酰胺2-4份、氟化锆1-5份、粒状石墨粉5-9份、莫来石2-3份、海藻酸钠2-3份、三聚磷酸钠1-2份、磷酸三氯乙酯5-8份、刚玉粉2-3份、纳米硼纤维6-8份、硬酯酸钙1-2份、双叔丁基过氧异丙基苯3-8份、乙烯基三乙氧基硅烷2-5份、硅酸锆3-6份;
步骤2、将各原料经高速搅拌机混合均匀,装入模具后送入液压机中,在压力15-30Mpa,温度120-200℃,保压时间5-20分钟条件下热压制得到压坯,将压坯冷却至室温后放置3-4小时,再放入300-350℃条件下,保温2-3小时,取出压坯;
步骤3、将压坯送入热压成型炉中,先加热到700-900℃保温1-3小时,再加热升温到1100-1300℃,保温2-6小时,随炉冷却至70℃以下出炉;
步骤4:在保护气氛中于950-1100℃保温1.5-2.5小时,然后降温至120-180℃保温1.5-1.8小时,即得高性能钛合金零件。
2.根据权利要求1所述的一种高性能钛合金零件的制备方法,其特征在于:按重量份称取如下原料:钛粉8份、铝粉25份、钼粉3.5份、不锈钢粉13份、羰基镍粉8份、铬粉6份、端羟基聚丁二烯7份、丙烯酰胺3份、氟化锆3份、粒状石墨粉7份、莫来石2.5份、海藻酸钠2.5份、三聚磷酸钠1.5份、磷酸三氯乙酯6份、刚玉粉2.5份、纳米硼纤维7份、硬酯酸钙1.5份、双叔丁基过氧异丙基苯6份、乙烯基三乙氧基硅烷3.5份、硅酸锆4.5份。
3.根据权利要求1所述的一种高性能钛合金零件的制备方法,其特征在于:所述保护气氛为CO2。
4.根据权利要求1所述的一种高性能钛合金零件的制备方法,其特征在于:将各原料经高速搅拌机混合均匀,装入模具后送入液压机中,在压力24Mpa,温度160℃,保压时间10分钟条件下热压制得到压坯。
5.根据权利要求1所述的一种高性能钛合金零件的制备方法,其特征在于:所述刚玉粉的粒径为200-300目。
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