通过异步和同步混合方式在室温下轧制TA2工业纯钛,获得的抗拉强度为960 MPa.轧制后材料的微观组织分析表明,经强烈塑性变形后材料仍然具有加工硬化的能力,能够通过变形强化进一步提高其强度.强度提高的主要原因是由于具有较高应变能的材料在进一步塑性变形时可能产生动态回复,从而改变其微观组织形貌.
参考文献
| [1] | D. Jia;Y. M. Wang;K. T. Ramesh;E. Ma;Y. T. Zhu;R. Z. Valiev .Deformation behavior and plastic instabilities of ultrafine-grained titanium[J].Applied physics letters,2001(5):611-613. |
| [2] | Vladimir V. Stolyarov;Y. Theodore Zhu;Igor V. Alexandrov;Terry C. Lowe;Ruslan Z. Valiev .Influence of ECAP routes on the microstructure and properties of pure Ti[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2001(1/2):59-67. |
| [3] | A.V. Sergueeva;V.V. Stolyarov;R.Z. Valiev .Advanced mechanical properties of pure titanium with ultrafine grained structure[J].Scripta materialia,2001(7):747-752. |
| [4] | Stolyarov VV;Zhu YT;Raab GI;Zharikov AI;Valiev RZ .Effect of initial microstructure on the microstructural evolution and mechanical properties of Ti during cold rolling[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2004(1/2):309-313. |
| [5] | STOLYAROV V V;PROKOFIEV E A;VALIEV R Z;LOWE T C,ZHU Y T.Structure and properties of Ti alloys processed by ECAP[A].Netherland:Springer,2006 |
| [6] | Xicheng Zhao;Wenjie Fu;Xirong Yang .Microstructure and properties of pure titanium processed by equal-channel angular pressing at room temperature[J].Scripta materialia,2008(5):542-545. |
| [7] | Y.J. CHEN;Y.J. LI;J.C. WALMSLEY .Deformation Structures of Pure Titanium during Shear Deformation[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,2010(4):787-794. |
| [8] | Cui Q.;Ohori K. .Grain refinement of high purity aluminium by asymmetric rolling[J].Materials Science and Technology: MST: A publication of the Institute of Metals,2000(10):1095-1101. |
| [9] | H. JIN;D. J. LLOYD .The Tensile Response of a Fine-Grained AA5754 Alloy Produced by Asymmetric Rolling and Annealing[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,2004(3a):997-1006. |
| [10] | W.J. Kim;S.J. Yoo;J.B. Lee .Microstructure and mechanical properties of pure Ti processed by high-ratio differential speed rolling at room temperature[J].Scripta materialia,2010(7):451-454. |
| [11] | Jianhua Jiang;Yi Ding;Fangqing Zuo .Mechanical properties and microstructures of ultrafine-grained pure aluminum by asymmetric rolling[J].Scripta materialia,2009(10):905-908. |
| [12] | DING Y;JIANG J H;SHAN A D .Microstructures and mechanical properties of commercial purity iron processed by asymmetric rolling[J].Materials Science and Engineering A,2009,509:76-80. |
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%