利用分离式Hopkinson Bar技术,对α+β双相钛合金TC6锻态变形组织不同取向圆柱试样进行动态压缩试验,结合力学响应及微观分析方法,研究TC6钛合金变形组织不同取向的绝热剪切敏感性.结果表明:TC6钛合金变形组织不同取向的绝热剪切敏感性不同,具有显著的各向异性特点,法向(ND)具有最高的绝热剪切敏感性,RD方向具有最小的绝热剪切敏感性.3种不同取向的绝热剪切敏感性差异主要是由于变形过程中各取向所产生的热软化效应不同所致.
参考文献
| [1] | BAI Y L .[J].Res Mechanica,1990,31:133. |
| [2] | Shockey D A;Erlich D C;Meyers M.A;Murr L E.Shock Waves and High-Strain-Rate Phenomena in Metals:Concepts andApplications[M].New York:Plenum Press,1981:249. |
| [3] | Meunier Y;Beatty J H.Shock-Waves and High-Strain-Rate Phenomena in Metals[M].New York:Marce Dekker Inc,1992:637. |
| [4] | Pak H R;Wittman C L.Metallurgical Applications of ShockWaves and High-Strain-Rate Phenomena[M].New York:Marce Dekker Inc,1986:749. |
| [5] | Yu Jilin;Li Jianrong;Wei Zhigang .[J].NSEE,2003,16(04):417. |
| [6] | Magness L S.[A].Arlington:Metal Powder Industries Federation,1992:127. |
| [7] | Wei Zhigang;Hu Shisheng;Li Yongchi.[A].South Africa:ISOB,1998 |
| [8] | Meyer L W .[J].Mechanics of Materials,1994,17:203. |
| [9] | Magness L S J.[A].Arlington,VA:Metal Powder Industries Federation,1992:15. |
| [10] | Magness L S J .[J].Mechanics of Materials,1994,17:147. |
| [11] | Ramesh K T .[J].Mechanics of Materials,1994,17:165. |
| [12] | Ekbom L.Modern Developments in Powder Metallurgy Princeton[M].NJ:Metal Powder Industries Federation,1981:177. |
| [13] | Yuan Lifu.[A].Arlington:Metal Powder Industries Federation,1992:146. |
| [14] | 刘金旭,李树奎,郑海云,宋修纲,倪芳,陈忠恺,朱本强.热挤压钨重合金纤维方向对绝热剪切特性的影响规律及机理研究[J].稀有金属材料与工程,2009(01):157-160. |
| [15] | Wright T W;Walter J W .[J].Journal of the Mechanies and Physics of Solids,1995,35(06):701. |
| [16] | Batra RC;Lear MH .Adiabatic shear banding in plane strain tensile deformations of 11 thermoelastoviscoplastic materials with finite thermal wave speed[J].International Journal of Plasticity,2005(8):1521-1545. |
| [17] | Meyers M A;Xu Y B;Xue Q et al.[J].Acta Materialia,2003,51:1307. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%