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利用Instron电子拉伸机和分离式霍普金生压杠(SHPB)实验装置,研究了准静态和动态压缩条件下热轧TB2钛合金织构多晶板的力学性能.对TB2钛合金板材的轧向、横向以及轧制平面内与轧向成45等3个方向进行了压缩实验,得到了不同应变速率下的应力-应变曲线.结果表明:热轧TB2钛合金板材不同方向上的流变应力均随应变速率的增加而增加,表现出明显的应变速率强化效应.准静态和动态力学性能均表现出各向异性,且准静态和动态压缩行为规律不一致.考虑准静态和动态变形时可能的塑性变形机制,基于微观晶体塑性变形理论,定性讨论了热轧织构多晶TB2钛合金板屈服强度的各向异性.

参考文献

[1] Nemat-Nasser S;Guo W G;Nesterenko V F et al.[J].Mechanics of Materials,2001,33(08):425.
[2] Li Q;Xu Y B;Bassim M N .[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2003,358(1-2):128.
[3] Khan AS;Suh YS;Kazmi R .Quasi-static and dynamic loading responses and constitutive modeling of titanium alloys[J].International Journal of Plasticity,2004(12):2233-2248.
[4] Lee D G;Lee Y H;Lee S et al.[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,2000,35(10):3103.
[5] Lee WS;Lin CF;Chen TH;Hwang HH .Correlation of dynamic impact properties with adiabatic shear banding behaviour in Ti-15Mo-5Zr-3Al alloy[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2008(1/2):172-184.
[6] 王礼立;胡时胜 .[J].爆炸与冲击,1985,5(01):9.
[7] 卢维娴;王礼立;陆在庆 .[J].金属学报,1986,22A(04):317.
[8] 包合胜;王礼立;卢维娴 .[J].爆炸与冲击,1989,9(02):109.
[9] Kad B K;Schoenfeld S E;Burkind M S .[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,2002,33(03):937.
[10] Bunge H J.Texture Analysis in Materials ScienceMathematical Methods[M].London:Butterworths,1982:47.
[11] Matthies S .[J].Physical Status Solidi B Basic Research,1979,92(02):135.
[12] Christian J W .[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1983,14(07):1237.
[13] Raabe D .[J].MaterSci Tech,1995,11(05):455.
[14] Humphreys F J;Hathedy M.Recrystallization and RelatedAnnealing Phenomena[M].Oxford:Elsevier,2004:25.
[15] 陈志永,张新明,周卓平.{110}〈111〉,{112}〈111〉和{123}〈111〉多滑移的屈服应力状态[J].金属学报,2003(01):17-21.
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