含铌微合金钢形变诱导相变上限温度影响因素的研究

1.东北大学,轧制技术及连轧自动化国家重点实验室,辽宁,沈阳,110004

2.东北大学,轧制技术及连轧自动化国家重点实验室,辽宁,沈阳,110004

3.东北大学,轧制技术及连轧自动化国家重点实验室,辽宁,沈阳,110004

4.东北大学,轧制技术及连轧自动化国家重点实验室,辽宁,沈阳,110004

基金项目: 国家重点基础研究发展计划(973计划)(G1998061509) 国家高技术研究发展计划(863计划)(2001AA332020)

STUDY ON INFLUENCING FACTORS OF THE UPPER LIMIT TEMPERATURE OF DEFORMATION INDUCED TRANSFORMATION IN MICROALLOYED STEELS

在Gleeble1500热模拟试验机上进行了单道次压缩试验.通过改变变形速率和变形量以及变形后立即淬火的方法,研究了含铌微合金钢形变诱导相变上限温度Ad3的影响因素.研究表明,Ad3随变形量增大而升高,且变形量较大时趋于不变;Ad3随变形速率降低而升高,但变形速率很低时反而下降.

[1]	Massaki Fujioka;Yoshio Abe;Yukito Hagiwara .A Study in Refining of Ferrite Grain Under the Condition of Heavy Deformation Using a Hot Deformation Simulator[J].CAMP-ISIJ,1999,12:1131.
[2]	Shiro Torizuka;Junji Takahashi;Osamu Umezawa .Formation of Fine Ferrite Grain Structure by One-Pass Heavy Deformation for a Si-Mn Steel[J].CAMP-ISIJ,1999,12:365.
[3]	Tsuneaki Nagamichi .Grain Refinement Through 1-Pass Large Reduction Hot-Rolling Followed by Immediate Water-Quench and Improvement of Mechanical Properties in Steel Sheets[J].CAMP-ISIJ,1998,11:1017.
[4]	Tohru Hayashi .Creation of Equiaxed Fine Ferrite Grain Structures by Warm Deformation of Martensite[J].CAMP-ISIJ,1998,1:1031.
[5]	Sun Z Q;Yang W Y;Hu A M .Effect of Strain Rate on the Deformation Induced Ferrite Transformation of Nb Microalloyed Steels[J].Key Basic Research on New Generation Steel,2000,1:34.
[6]	林慧国;付代直.钢的奥氏体转变曲线[M].北京:机械工业出版社,1988:122-124.
[7]	东涛;孟繁茂;王祖滨.铌在钢铁中的应用[M].中信美国钢铁公司,1999:209-211.

上一张下一张

计量

作者相关

文章评分