在假设马氏体岛形态和分布的基础上,采用有限元法计算了粒状组织形成过程中的相变残余应力,并讨论了相变残余应力对宏观变形行为的影响.结果表明:粒状组织形成过程中,奥氏体转变为马氏体后将在铁索体基体中产生静水张应力,而马氏体岛承受压应力作用;残余应力随马氏体体积分数和铁素体基体强度的增加而增大,存在临界马氏体体积分数,此时铁素体完全屈服;残余应力是导致空冷粒状组织钢出现连续屈服现象的原因之一,但对屈服强度的影响较小.
参考文献
| [1] | Fang H S,Bai B Z,Zheng X H,Zheng Y K,Chen X Y,Zhao R F.Acta Metall Sin,1986; 22:A283(方鸿生,白秉哲,郑秀华,郑燕康,陈秀云,赵如发.金属学报,1986;22:A283) |
| [2] | Davies R G.Metall Trans,1979; 10A:1549 |
| [3] | Owen W S.Met Technol,1980; 7:1 |
| [4] | Bleck W,Phiu-on K.In:Weng Y Q,ed.,Proc The Joint Int Conf of HSLA Steels 2005 and ISUGS (International Symposium on Ultrafine Grained Steels) 2005,Beijing:The Chinese Society for Metals,2005:50 |
| [5] | Sakaki T,Sugimoto K,Fukuzato T.Acta Metall,1983; 31:1737 |
| [6] | Watt D F,Jain M.Scr Metall,1984; 18:1379 |
| [7] | Pussegoda L N,Tyson W R.Mater Sci Eng,1989; A111:L9 |
| [8] | Cheng W Y,Chen Z L,Li E Q,Chen Q K,Ma M Y.Phys Exam Test,1996; (4):1(陈文义,陈智力,李恩勤,陈启宽,马茂元.物理测试,1996;(4):1) |
| [9] | Peng Y L,Tan S H,Zhang L,He S L,Ma M Y,Wang Y J.Hot Work Technol,1997; (2):6(彭延玲,谭松华,张磊,何松林,马茂元,王艺坚.热加工工艺,1997;(2):6 |
| [10] | Huper T,Endo S,Ishikawa N,Osawa K.ISIJ Int,1999; 39:288 |
| [11] | Liedl U,Traint S,Werner E A.Comput Mater Sci,2002; 25:122 |
| [12] | Ankem S,Margolin H.Metall Trans,1982; 13A:595 |
| [13] | Li Z H,Gu H C.J Xi 'an Jiaotong Univ,1990; 24(2):23(李中华,顾海澄.西安交通大学学报,1990;24(2):23 |
| [14] | Socrate S,Boyce M C.J Mech Phys Solids,2000; 48:233 |
| [15] | Al-Abbasi F M,Nemes J A.Int J Mech Sci,2003; 45:1449 |
| [16] | Al-Abbasi F M,Nemes J A.Int J Solid Struct,2003; 40:3379 |
| [17] | Tomota Y,Kuroki K,Mori T,Tamura I.Mater Sci Eng,1976; 24:85 |
| [18] | Maiya S.Produce and Corresponding Policy of Residual Stress.Tokyo:Yokendo,1975(米谷茂.残余应力の发生と对策.东京:养贤堂,1975) |
| [19] | Kang F Y,Tang N Y,Liu X Y.J Mech Strength,1991;13(1):22(康飞宇,唐迺泳,刘秀瀛.机械强度,1991;13(1):22) |
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%