研究了热处理对Ti-25V-15Cr-2Al-2Mo-0.2C阻燃β钛合金组织稳定性的影响. 结果表明, 高温固溶并直接时效处理导致合金β基体上析出较多的α相沉淀, 尤其在随后的热暴露组织中形成了恶化合金塑性的连续晶界α膜. 然而, 若在时效前再进行一次低温固溶处理则可明显减少α相的析出数量, 合金的热稳定性因此而得到显著改善.
参考文献
| [1] | Seagle S R .The state of the USA titanium industry in 1995[J].Materials Science and Engineering,1996,A213:1. |
| [2] | Boyer R R .An overview on the use of titanium in the aerospace industry[J].Materials Science and Engineering,1996,A213:103. |
| [3] | Li Y G;Loretto M H;Rugg D et al.Effect of heat treatment and exposure on microstructure and mechanical properties of Ti-25V-15Cr-2Al-0.2C alloy[J].Acta Materialia,2001,49:3011. |
| [4] | Li Y G;Blenkinsop P A;LORETTO M H et al.Effect of aluminium on deformation structure of highly stabilized β-Ti-V-Cr alloys[J].Materials Science and Technology,1999,15:151. |
| [5] | Li Y G;Blenkinsop P A;LORETTO M H et al.Effect of carbon and oxygen on microstructure and mechanical properties of Ti-25V-15Cr-2Al alloy[J].Acta Materialia,1999,47(10):2889. |
| [6] | Li Y G;Blenkinsop P A;LORETTO M H et al.Structure and stability of precipitates in 500 ℃ exposed Ti-25V-15Cr-xAl alloys[J].Acta Materialia,1999,46(16):5777. |
| [7] | 雷力明,黄旭,王宝,赵红霞.一种新型阻燃β钛合金的微观组织和力学性能研究[J].金属学报,2002(z1):138-141. |
| [8] | 赵永庆,曲恒磊,朱康英,吴欢,刘彩利,周廉.β型Ti40阻燃钛合金高温长期作用的第二相及其对性能的影响[J].稀有金属材料与工程,2002(02):84-88. |
| [9] | 叶文君,脱祥明,王世洪.β21S 钛合金热压缩变形行为[J].稀有金属,2002(01):23-27. |
| [10] | Terlinde G;Fischer G.[A].London:The Institute of Materials,1996:2177. |
| [11] | Hansen J O;Novotnak D;Wellter M F.Proceedings of the 8th World Conference on Titanium[C].London:The Institute of Materials,1996:675. |
| [12] | 雷力明 .低成本β稳定型阻燃钛合金的微观组织和力学性能研究[D].北京:北京航空材料研究院,2001. |
| [13] | 雷力明,黄旭,孙福生,曹春晓,Rugg D,Voice W.热暴露对Ti-25V-15Cr-2Al-0.2C合金微观组织的影响[J].稀有金属,2003(01):207-209. |
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