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轧制变形对网状结构TiB_w/Ti复合材料组织与力学性能的影响(英文) 被引量:3

Effects of rolling deformation on microstructure and mechanical properties of network structured TiB_w/Ti composites
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摘要 通过反应热压技术成功制备出网状结构TiB晶须增强纯钛(TiBw/Ti)复合材料。原位合成的TiB晶须分布在大尺寸Ti基体颗粒周围形成网状结构。这种新型的网状结构TiBw/Ti复合材料表现出优异的综合力学性能。为了进一步改善力学性能及指导后续塑形变形加工,研究这种新型复合材料的轧制变形行为。结果表明:由于基体的形变强化,这种新型TiBw/Ti复合材料的强度可以通过轧制变形得到有效的提高,并且强度水平随着变形量的增加而增加。其中,通过轧制变形,可以使8.5%TiBw/Ti复合材料的强度从842MPa提高到 1030 MPa。需要指出的是,随着变形量的增加,TiB晶须的断裂程度也增加,这一点对复合材料的力学性能是不利的。 通过反应热压技术成功制备出网状结构TiB晶须增强纯钛(TiBw/Ti)复合材料。原位合成的TiB晶须分布在大尺寸Ti基体颗粒周围形成网状结构。这种新型的网状结构TiBw/Ti复合材料表现出优异的综合力学性能。为了进一步改善力学性能及指导后续塑形变形加工,研究这种新型复合材料的轧制变形行为。结果表明:由于基体的形变强化,这种新型TiBw/Ti复合材料的强度可以通过轧制变形得到有效的提高,并且强度水平随着变形量的增加而增加。其中,通过轧制变形,可以使8.5%TiBw/Ti复合材料的强度从842MPa提高到 1030 MPa。需要指出的是,随着变形量的增加,TiB晶须的断裂程度也增加,这一点对复合材料的力学性能是不利的。
出处 《中国有色金属学会会刊:英文版》 CSCD 2012年第S1期79-83,共5页 Transactions of Nonferrous Metals Society of China
基金 Projects (51101042, 51271064) supported by the National Natural Science Foundation of China Project (HIT. NSRIF. 201131) supported by the Fundamental Research Funds for the Central Universities, China Projects (2012T50327, 2011M500653) supported by the China Postdoctoral Science Foundation Project supported by the Postdoctoral Science Foundation of Heilongjiang Province, China
关键词 钛基复合材料 轧制变形 反应热压 网状结构 拉伸性能 titanium matrix composites (TMCs) rolling deformation reaction hot pressing (RHP) network microstructure tensile properties
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参考文献10

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同被引文献35

  • 1张煜梓,黄陆军,刘宝玺,耿林.新型网状增强体分布的原位自生TiB_w/Ti6Al4V复合材料的热变形行为(英文)[J].中国有色金属学会会刊:英文版,2012,22(S2):465-471. 被引量:2
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  • 3L.J. Huang,L. Geng,A.B. Li,F.Y. Yang,H.X. Peng.In situ TiBw/Ti–6Al–4V composites with novel reinforcement architecture fabricated by reaction hot pressing[J]. Scripta Materialia . 2009 (11) 被引量:2
  • 4Lin Jiang,Zhiqiang Li,Genlian Fan,Di Zhang.A flake powder metallurgy approach to Al 2 O 3 /Al biomimetic nanolaminated composites with enhanced ductility[J]. Scripta Materialia . 2011 (5) 被引量:2
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  • 7B.X.Liu,L.J.Huang,L.Geng,B.Wang,X.P.Cui,C.Liu,G.S.Wang. Mater.Sci.Eng.A . 2013 被引量:1
  • 8Nanoscale TiB precipitates in laser deposited Ti-matrix composites(J)Scripta Materialia . 2005 (12) 被引量:1
  • 9B.X.Liu,L.J.Huang,L.Geng,B.Wang,C.Liu,W.C.Zhang. Journal of Alloys and Compounds . 2014 被引量:1
  • 10Zhengui Zhang,Jining Qin,Zhiwei Zhang,Yifei Chen,Weijie Lu,Di Zhang.??Effect of β heat treatment temperature on microstructure and mechanical properties of in situ titanium matrix composites(J)Materials and Design . 2010 (9) 被引量:1

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