在Gleeble-3500热模拟机上对TB6钛合金进行了多组试样热物理模拟压缩实验,获得温度为948 ~1123 K、应变速率为0.001~10 s-1条件下的真应力-应变数据.通过计算m值、η值和ξ值从而识别出不同应变下的稳定变形参数区和失稳区,并获得TB6钛合金在实验范围内的安全变形参数区间为948 ~1123 K和0.001 ~0.01 s-1,1023 ~ 1123 K和0.01 ~0.1 s-1,1036 ~1077 K和0.1~1 s-1.此外,绘制出TB6钛合金在实验条件下的微观组织演变机制图.
参考文献
[1] | 雷力明,黄旭,黄利军,曹春晓.铸态TB6钛合金热变形行为及本构关系[J].中国有色金属学报,2010(z1):377-380. |
[2] | 邱伟,鲁世强,欧阳德来,余兴强,黄旭,雷力明.锻态TB6钛合金热变形行为及组织演变[J].塑性工程学报,2010(03):38-43. |
[3] | Barnett M R .Influence of deformation conditions and texture on the high temperature flow stress of magnesium AZ31[J].Journal of Light Metals,2001,1(03):167-177. |
[4] | Juan Liu;Zhenshan Cui;Congxing Li .Modelling of flow stress characterizing dynamic recrystallization for magnesium alloy AZ31B[J].Computational Materials Science,2008(3):375-382. |
[5] | T. Al-Samman;G. Gottstein .Dynamic recrystallization during high temperature deformation of magnesium[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2008(1/2):411-420. |
[6] | Prasad;Y V R K;Rao K P .Processing maps and rate controlling mechanisms of hot deformation of electrolytic tough pitch copper in the temperature range 300-950 ℃[J].Materials Science and Engineering A,2005,391(01):141-150. |
[7] | Prasad Y V R K;Gegel H L;Doraivelu S M et al.Modeling of dynamic material behavior in hot deformation forging of Ti-6242[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1983,15(10):1883-1892. |
[8] | 黄光胜,汪凌云,陈华,黄光杰,张所全.2618铝合金的热变形和加工图[J].中国有色金属学报,2005(05):763-767. |
[9] | 黄树海,赵祖德,夏志新,蔡海艳,康凤,胡传凯,舒大禹.AZ80合金高温变形行为及加工图[J].稀有金属材料与工程,2010(05):848-852. |
[10] | G. Ganesan;K. Raghukandan;R. Karthikeyan .Development of processing map for 6061 Al/15 percent SICP through neural networks[J].Journal of Materials Processing Technology,2005(3):423-429. |
[11] | TAN Cheng-wen,XU Shan-na,WANG Lu,CHEN Zhi-yong,WANG Fu-chi,CAI Hong-nian.Effect of temperature on mechanical behavior of AZ31 magnesium alloy[J].中国有色金属学会会刊(英文版),2007(01):41-45. |
[12] | H. Y. Kim;H. C. Kwon;H. W. Lee;Y. T. Im;S. M. Byon;H. D. Park .Processing map approach for surface defect prediction in the hot bar rolling[J].Journal of Materials Processing Technology,2008(1/3):70-80. |
[13] | S.V.S. Narayana Murty;B. Nageswara Rao;B.P. Kashyap .Identification of flow instabilities in the processing maps of AISI 304 stainless steel[J].Journal of Materials Processing Technology,2005(2):268-278. |
[14] | Ramanathan S;Karthikeyan R;Ganasen G .Development of processing maps for 2124Al/SiC 《 sub 》 p 《/sub 》 composites[J].Materials Science and Engineering A,2006,441(01):321-325. |
[15] | Ziegler H.An Introduction to Thermomechanics[M].Amsterdam.North Holland Publishing Company,1983 |
[16] | Quan G Z;Liu K W;Zhou J et al.Dynamic softening behaviors of 7075 aluminum alloy[J].Transactions of Nonferrous Metals Society of China,2009,19:s537-s541. |
[17] | 陈慧琴,邓文斌.TC11钛合金等轴组织热变形行为与组织演变[J].稀有金属,2009(02):147-152. |
[18] | 曾卫东,周义刚,舒滢,赵永庆,杨锦,张学敏.基于加工图的Ti-40阻燃钛合金热变形机理研究[J].稀有金属材料与工程,2007(01):1-6. |
[19] | 周军,曾卫东,舒滢,周义刚.应用热加工图研究TC17合金片状组织球化规律[J].稀有金属材料与工程,2006(02):265-269. |
[20] | Gegel H L;Malas J C;Prasad Y V R K et al.Optimizing hot workability and controlling microstructures in difficult to process high strength and high temperature materials[P].US 4617817,1986. |
[21] | A.B. Li;L.J. Huang;Q.Y. Meng;L. Geng;X.P. Cui .Hot Working Of Ti-6al-3mo-2zr-0.3si Alloy With Lamellar α +βstarting Structure Using Processing Map[J].Materials & design,2009(5):1625-1631. |
[22] | Ding R.;Guo Z.;Wilson A. .Microstructural evolution of a Ti-6Al-4V alloy during thermomechanical processing[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2002(2):233-245. |
[23] | 史科,单德彬,吕炎.TC11合金高温变形行为及其机理[J].宇航材料工艺,2008(02):52-56. |
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