全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

4Cr5MoSiV1钢的热变形行为及热加工图
Hot Deformation Behavior and Hot Processing Map of 4Cr5MoSiV1 Steel

DOI: 10.12677/MS.2013.31001, PP. 1-6

Keywords: 4Cr5MoSiV1钢;激活能;本构方程;热加工图
4Cr5MoSiV1 Steel
, Activation Energy, Constitutive Equation, Hot Processing Map

Full-Text   Cite this paper   Add to My Lib

Abstract:

利用Gleeble-1500D热模拟试验机对4Cr5MoSiV1钢在950~1100,应变速率为0.01~10.0 s?1,最大应变量为50%的条件下进行了热压缩实验。结果表明:真应变应力曲线在应变速率为10 s?1时出现波动现象;经计算得到4Cr5MoSiV1钢的激活能为416.16 kJ·mol?1,建立该合金的本构方程形式为,经验证与实验结果吻合较好;基于动态材料模型建立的热加工图可分为两个区域,在低应变速率0.01 s?10.1 s?1时为加工稳定区,且变形温度为1050时,能量耗散功率达到最大值0.3;在高应变速率1 s?110 s?1时为加工失稳区。结合变形组织的分析,合金在稳定区下具有较好的热加工性能。
The hot deformation characteristics of 4Cr5MoSiV1 steel have been investigated by hot compression tests in the temperature range of 950?C to 1100?C at strain rates of 0.01 s1
References

[1]  潘健生, 胡明娟. 热处理工艺学[M]. 北京: 高等教育出版社, 2009: 247-253.
[2]  周敬恩. 模具材料选用、热处理与使用寿命[J]. 金属热处理, 1999, 5: 1-13.
[3]  干勇, 田志勇, 董瀚. 中国材料工程大典[M]. 北京: 化学工业出版社, 2005: 97-99.
[4]  刘以宽, 李润宝, 毛文华. H13钢铝合金压铸模的研制和使用[J]. 金属热处理, 1990, 35(2): 51-55.
[5]  陈杰. H13钢及其热处理[J]. 热处理技术与装备, 2008, 29(4): 44-46.
[6]  晏广华, 黄新民, 褚作朋等. 不同热处理工艺下H13钢组织性能的变化[J]. 合肥工业大学学报(自然科学版), 2011, 34(6): 834-837.
[7]  C. Tekmen, M. Toparli, I. Ozdemir, et al. High temperature behaviour of H13 steel. Materials Research and Advanced Tech- niques, 2005, 96(12): 1431-1433.
[8]  R. Milovic, D. Manojlovic and M. Andjelic. Hot workability of M2 type high-speed steel. Steel Research, 1992, 62: 78-84.
[9]  W. Roberts. Dynamic changes that occur during hot working and their significance regarding microstructural development and hot workability. G. Krauss. Deformation, processing and structure. Metals Park: American Society for Metals, 1984: 109-184.
[10]  H. J. McQueen, N. D. Ryan. Constitutive analysis in hot work- ing. Materials Science and Engineering, 2002, 322(1-2): 47.
[11]  Y. Prasad, T. Seshacharyulu. Modeling of hot deformation for microstructural control. International Materials Reviews, 1998, 43(6): 243-258.
[12]  Y. V. R. K. Prasad, H. L. Gegel, S. M. Doraivelu, J. C. Malas, J. T. Morgan, K. A. Lark and D. R. Barker. Modeling of dynamic material behavior in hot deformation: Forging of Ti-6242. Met- allurgical Transactions A, 1984, 15(10): 1883-1892.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133