通过热态模拟试验,系统地研究了主要锻造热力参数(变形速度、变形温度、变形程度)与TC4合金流动应力、微观组织之间的数值关系,采用数理统计原理,科学地分析并回归出了能综合反映锻造热力参数和微观组织演化过程对材料成形性能影响的本构方程,定性地探讨了各热力参数对TC4合金组织和性能的影响规律,为TC4合金锻造过程的数值模拟和锻造热力参数的合理制订与控制提供了基础.
参考文献
[1] | Z. M. Hu;J. W. Brooks;T. A. Dean .Experimental and theoretical analysis of deformation and microstructural evolution in the hot-die forging of titanium alloy aerofoil sections[J].Journal of Materials Processing Technology,1999(1/3):251-265. |
[2] | Rong Shean Lee;Huan Chang Lin .Process design based on the deformation mechanism for the non-isothermal forging of Ti-6Al-4V alloy[J].Journal of Materials Processing Technology,1998(1/3):224-235. |
[3] | 郭鸿镇 .合金钢与有色合金锻造[D].西安:西北工业大学,1999. |
[4] | Dunne FPE. .Inhomogeneity of microstructure in superplasticity and its effect on ductility[J].International Journal of Plasticity,1998(4-5):413-433. |
[5] | Semiatin SL;Weiss I;Seetharaman V .Flow behavior and globularization kinetics during hot working of Ti-6Al-4V with a colony alpha microstructure[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1999(2):257-271. |
[6] | 刘雪梅 .组织演变模型及其在钛合金高温变形中的应用[D].西北工业大学,1999. |
[7] | 刘东 .难变形材料锻造过程的有限元变形-传热-组织演化耦合分析[D].西北工业大学,1998. |
[8] | H YADA.Accelerated cooling of rolled steels[A].:105-120. |
[9] | Shen G;SEMIATIN S L;ALTAN T .Investigation of flow stress and microstructure development in non-isothermal forging of Ti-6242[J].Journal of Materials Processing Technology,1993,36:303-319. |
[10] | LEE WOEI SHYAN;LIN Ming Tong .The effect of strain rate and temperature on the compressive deformation behavior of Ti-6Al-4V alloy[J].Journal of Materials Processing Technology,1997,71:235-247. |
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