孙淑华,曲明贵,白兴红,王博,高扬,傅万堂

• 1:燕山大学亚稳材料制备技术与科学国家重点实验室
• 2:燕山大学理学院
• 3:中国第一重型机械集团股份公司

摘要(Abstract)：

用Gleeble-3500热力模拟试验机对铸态M2高速钢进行1000～1150℃及0.01～1.0 s-1的热压缩变形,获得了铸态M2高速钢的流变曲线,分析了变形后的显微组织特性。结果表明,铸态M2高速钢的流变应力和峰值应变均随变形温度的降低和应变速率的提高而增大,其热变形激活能为550.16 kJ/mol,同时得到了其热变形方程,建议其在1050～1150℃和0.01～1.0 s-1的工艺条件下进行热加工。

关键词(KeyWords)： 铸态M2高速钢;流变曲线;热变形方程;热加工图

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51101137,51171161);; 国家核电重大专项课题(2011ZX06004-016);; 河北省杰出青年科学基金(E2011203131)

作者(Author): 孙淑华,曲明贵,白兴红,王博,高扬,傅万堂

DOI: 10.13289/j.issn.1009-6264.2013.05.011

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