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...
金属学报  2014 

锻态TC18钛合金棒材中b相组织和织构特征研究*

DOI: 10.3724/SP.J.1037.2014.00003, PP. 707-714

Keywords: 钛合金,锻造,织构,相变

Full-Text   Cite this paper   Add to My Lib

Abstract:

针对a/b型TC18钛合金大型锻棒中心与边部的性能差异,利用EBSD技术研究了b相的组织差异、织构差异及形变程度差异,并考察了b相的这些差异对遵循Burgers关系的ap相取向及球化速率的影响.结果表明,锻态TC18钛合金中的b相处于不同程度的形变状态,随位置不同而具有不同的织构,中心位置b相具有再结晶织构的特点,并且存在显著的晶粒尺寸不均匀性,这些因素对中心与边部的性能差异有主要贡献.ap相的球化过程主要在b相晶内亚晶界上完成,前期随形貌由片状向方块状的变化,取向关系变化很小;后期向球形过渡时,取向关系偏差较大.b相晶粒内的取向差是衡量加工硬化对强度贡献的有效参数,而a/b两相的取向关系与理想Burgers关系的偏差是揭示球化速度和形变b相晶粒回复程度的有效参数.

References

[1]  Zhang Y Q, Guo H Z, Sun H L, Yao Z K. Mater Heat Treatment, 2012; 41(6): 147(张永强, 郭鸿镇, 孙红兰, 姚泽坤. 热加工工艺, 2012; 41(6): 147)
[2]  Huang X, Zhu Z S, Wang H H. Advanced Aeronautical Titanium Alloys and Applications. Beijing: NationalDefenceIndustryPress, 2012: 92(黄 旭, 朱知寿, 王红红. 先进航空钛合金材料与应用. 北京: 国防工业出版社, 2012: 92)
[3]  Qiao E L, Feng Y Q, Li W Q, Xie R P, Zhang S B, Chen R J. Met World, 2013; (4): 72(乔恩利, 冯永琦, 李渭清, 谢仁沛, 张少波, 陈瑞菁. 金属世界, 2013; (4): 72)
[4]  Glavicic M G, Goetz R L, Barker D R. Metall Mater Trans, 2008; 49A: 887
[5]  Lonardelli I, Gey N, Wenk H R. Acta Mater, 2007; 55: 5718
[6]  Gurao N P, Ali AA, Suwas S. Mater Sci Eng, 2009; A504: 24
[7]  Glavicic M G, Miller G D, Semiatin S L. Scr Mater, 2006; 54: 281
[8]  Gey N, Humbert M. Acta Mater, 2002; 50: 277
[9]  Cayron C. Scr Mater, 2008; 59: 570
[10]  Salem A A, Glavicic M G, Semiatin S L. Mater Sci Eng, 2008; A494: 350
[11]  Obasi G C, Moat R J, Prakash D G L. Acta Mater, 2012; 60: 7169
[12]  Thomas M J, Wynne B P, Rainforth W M. Mater Charact, 2005; 55: 388
[13]  Markovsky P E, Matviychuk Y V, Bondarchuk V I. Mater Sci Eng,2013; A559: 782
[14]  Semiatin S L, Kinsel K T, Pilchak A L, Sargent G A. Metall Mater Trans, 2013; 44A: 3852
[15]  Sargent G A, Kinsel K T, Pilchak A L. Metall Mater Trans, 2012; 43A: 3570
[16]  Obasi G C, Birosca S, Quinta D F J. Acta Mater, 2012; 60: 1048
[17]  Obasi G C, Quinta D F J, Rugg D. Mater Sci Eng, 2013; A576: 272
[18]  Semiatin S L, Fagin P N, Glavicic M G, Ivasishin O M. Mater Sci Eng, 2001; A299: 225
[19]  Jackson M, Dashwood R, Christodoulou L. Metall Mater Trans, 2005; 36A: 1317
[20]  Karthikeyan T, Dasgupta A, Khatirkar R. Mater Sci Eng, 2010; A528: 549
[21]  He D, Zhu J C, Zaefferer S, Raabe D. Mater Sci Eng, 2012; A549: 20
[22]  Li C, Zhang X, Zhou K. Mater Sci Eng, 2012; A558: 668
[23]  Germain L, Gey N, Humbert M. Acta Mater, 2008; 56: 4298
[24]  Gey N, Bocher P, Uta E. Acta Mater, 2012; 60: 2647
[25]  Leo Prakash D G, Honniball P, Rugg D. Acta Mater, 2013; 61: 3200
[26]  Shao H, Zhao Y Q, Ge P, Zeng W D. Mater Sci Eng, 2013; A586: 215
[27]  Lütjering G. Mater Sci Eng, 1998; A243: 32
[28]  Zhang Z, Wang Q J, Mo W. Titanium Metal Science and Heat Treatment. Beijing: Metallurgical Industry Press, 2009: 86(张 翥, 王群骄, 莫 畏. 钛的金属学和热处理. 北京: 冶金工业出版社, 2009: 86)
[29]  Zhao D H, Wang L, Zhi M S, Xu F. Chin J Stere Image Analy, 2013; 18: 356(赵登辉, 王 琳, 智茂盛, 徐 峰. 中国体视学与图像分析, 2013; 18: 356)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133