王健,杨海涛,王洁,马洪琛,肖宏

• 1:燕山大学国家冷轧板带装备及工艺工程技术研究中心
• 2:一重集团大连设计研究院

摘要(Abstract)：

利用Gleeble-3500热模拟试验机对X70HD抗大变形管线钢进行了不同变形条件下的双道次热压缩实验,研究了不同形变条件对X70HD抗大变形管线钢静态再结晶行为的影响。根据实验结果计算得到了此材料的静态再结晶的激活能,建立了具有较高精度的静态再结晶动力学模型。结果表明:X70HD抗大变形管线钢静态再结晶行为受到变形速率、变形量、变形温度等参数的影响较大,而受材料初始晶粒尺寸的影响较小,并随着间隔时间的增大软化程度加大,静态再结晶分数升高。

关键词(KeyWords)： 抗大变形管线钢;双道次压缩;静态再结晶;动力学模型

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51304171);; 河北省自然科学基金青年科学基金(E2013203248);; 国家冷轧板带及装备工程技术研究中心开放课题(NECSR201209)

作者(Author): 王健,杨海涛,王洁,马洪琛,肖宏

DOI: 10.13289/j.issn.1009-6264.2016.06.023

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