采用有限元分析对20CrMnMo钢淬火热应力场和温度场数值模拟研究.考虑了材料性能随温度变化的特性.基于温度场求解时对材料热物性参数取值、初始条件、边界条件、潜热等处理,对试样进行了温度场和应力场计算分析.结果表明,在淬火冷却过程中,表面温降速率较快,表面与心部存在较大的温差;温度的变化使表面承受压应力而心部承受拉应力,组织转变最终使表面承受拉应力而心部承受压应力.
参考文献
| [1] | Kyozo Arimoto .Explanation of the origin of quench distortion and residual stress in specimens using computer simulation[J].International journal of microstructure and materials properties,2009(2):168-186. |
| [2] | 李亚欣,刘雅政,周乐育,李阳华,邹喜洋.石油套管淬火冷却中三维耦合场的有限元模拟[J].材料热处理学报,2011(01):155-161. |
| [3] | 姚连登,赵四新,赵小婷,李红斌.直接淬火研制800MPa级低焊接裂纹敏感性高强钢厚板[J].材料热处理学报,2009(03):132-136. |
| [4] | Li Huiping;Zhao Guoqun;He Lianfang;Mo Yue .Solution of non-linear thermal transient problems by a new adaptive time-step method in quenching process[J].Applied mathematical modelling,2009(1):329-342. |
| [5] | Clayton P .Tribological aspects of wheel-rail contact a review of recent experimental research[J].WEAR,1996,191:170-183. |
| [6] | 徐祖耀.淬火-碳分配-回火（Q-P-T）工艺浅介[J].金属热处理,2009(06):1-8. |
| [7] | 贺连芳,李辉平,赵国群.淬火过程中温度、组织及应力/应变的有限元模拟[J].材料热处理学报,2011(01):128-133. |
| [8] | Soon Tae Ahn;Dae Sung Kim;Won Jong Nam .Microstructural evolution and mechanical properties of low alloy steel tempered by induction heatin[J].Materials Processing Technology,2005,160:54-58. |
| [9] | 康永林,陈庆军,王克鲁,孙浩,于浩.700MPa级低碳贝氏体钢的热处理工艺研究[J].材料热处理学报,2005(03):96-99. |
| [10] | 杨跃辉,蔡庆伍,武会宾,王华.两相区热处理工艺对9Ni钢性能的影响[J].材料热处理学报,2009(03):92-95. |
| [11] | 王春芳,王毛球,时捷,惠卫军,董瀚.17CrNiMo6钢中板条马氏体的形态与晶体学分析[J].材料热处理学报,2007(02):64-68. |
| [12] | Rios P R .Relationship between non-isothermal transformation curves and isothermal isothermal and non-isothermal kinetics[J].Acta Materialia,2005,53:4893-4901. |
| [13] | 陈银莉;余伟;苏岚 等.SPV490钢板直接淬火回火工艺的研究[J].北京科技大学学报,2007,29(12):85-88. |
| [14] | 袁俭,张伟民,刘占仓,陈乃录,王鸣华,徐骏.不同冷却方式下换热系数的测量与计算[J].材料热处理学报,2005(04):115-119. |
| [15] | CHANG KYU KIM;JONG IL PARK;SUNGHAK LEE .Effects of Alloying Elements on Microstructure, Hardness, and Fracture Toughness of Centrifugally Cast High-Speed Steel Rolls[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,2005(1):87-97. |
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%