高鹏,刘玲玉

• 1:中国航发北京航科发动机控制系统科技有限公司
• 2:宝钛集团有限公司

摘要(Abstract)：

研究了在不同相区或同一相区不同固溶温度和时间下的固溶处理对Ti-6Al-4V钛合金微观组织和室温力学性能的影响。结果表明:Ti-6Al-4V钛合金在(α+β)两相区固溶处理后获得的细片层组织中晶界α相的连续性被破坏,并且粗大片层明显细化;在β相区固溶处理后的组织为具有晶内薄片α相和小的α群集的网篮状组织;与在β相区进行固溶处理获得的网篮组织的强度相比,在两相区较低温度区间(900～920℃)进行2 h固溶处理所获得的细片层组织的强度可提高8%～12%。

关键词(KeyWords)： 铸造钛合金;固溶时效;力学性能;显微组织

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 高鹏,刘玲玉

DOI: 10.13289/j.issn.1009-6264.2019-0147

参考文献(References)：

• [1]司乃潮,傅明喜.有色金属材料及制备[M].北京:化学工业出版社,2006.
• [2]Anoshkin N F.Melting and Casting of Titanium Alloys[M].Moscow:Metal Press,1994:235-267.
• [3]Leyens C,Peters M.Titanium and Titanium Alloys.Fundamentals and applications[M].WILEY-VCH,2003.
• [4]王新英,谢成木.改善ZTi6Al4V合金性能的热处理工艺[J].特种铸造及有色合金,2001(6):16-17.WANG Xin-ying,XIE Cheng-mu.Heat treatment for improving properties of ZTi6Al4V alloy[J].Special Casting and Nonferrous Alloys,2001(6):16-17.
• [5]Mitchell A.Melting,casting and forging problems in titanium alloys[J].Materials Science and Engineering A,1998,243:257-262.
• [6]ASTM International.ASTM B367-93(Reapproved 1998)standard specification for titanium and titanium alloy castings[S].West Conshohocken:ASTM International,1998.
• [7]Zeng L,Bieler T R.Effects of working,heat treatment,and aging on micro structural evolution and crystallographic texture ofα,α',α″andβphases in Ti-6Al-4V wire[J].Materials Science and Engineering A,2005,392:403-414.
• [8]Venkatesh B D,Chen D L,Bhole S D.Effect of heat treatment on mechanical properties of Ti-6Al-4V ELI alloy[J].Materials Science and Engineering A,2009,506:117-124.
• [9]吴崇周.固溶时效热处理对TC16钛合金组织和性能的影响[J].金属学报,2002,38(S):97-100.WU Chong-zhou.Effects on aging treatment on the structure and properties of TC16 titanium alloy[J].Acta Metallurgica Sinica,2002,38(S):97-100.
• [10]Karimzadeh F,Heidarbeigy M,Saatchi A.Effect of heat treatment on corrosion behavior of Ti-6Al-4V alloy weldments[J].Journal of Materials Processing technology,2008(206):388-394.
• [11]Zhang S Y,Lin X,Chen J,et al.Heat-treated microstructure and mechanical properties of laser solid forming Ti-6Al-4V alloy[J].Rare Metals,2009,28(6):537-544.
• [12]王新英,谢成木.ZTC4钛合金固溶时效热处理工艺研究[J].金属学报,2002,38(S):89-92.WANG Xin-ying,XIE Cheng-mu.Study on solution-aging heat treatment of ZTC4 titanium alloys[J].Acta Metallurgica Sinica,2002,38(S):89-92.
• [13]冯芝华,王红红,谢成木,等.热工艺对ZTC4(Ti-6Al-4V)钛合金铸件残余应力的影响[J].航空材料学报,2005,25(3):25-27.FENG Zhi-hua,WANG Hong-hong,XIE Cheng-mu,et al.Effect of heat processing on titanium alloy(Ti-6Al-4V)castings residual stress[J].Journal of Aeronautical Materials,2005,25(3):25-27.
• [14]E.A.鲍利索娃,陈石卿译.钛合金金相学[M].北京:国防工业出版社,1986.
• [15]Tiley J,Searles T,Lee E.Quantication of microstructural features inα/βtitanium alloys[J].Materials Science and Engineering A,2004,372:191-198.

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