董洪波,康永林,王克鲁

• 1:南昌航空大学航空制造工程学院
• 2:北京科技大学材料科学与工程学院

摘要(Abstract)：

在Gleeble 1500热模拟试验机上,通过应力松弛实验研究了Mn-Nb-Cu-B低碳贝氏体钢在不同工艺条件下析出行为,得到了不同变形量、不同变形速率下的析出动力学曲线。同时,根据实验结果,确定了所研究钢种的析出动力学方程的参数,并计算了析出开始时间。结果表明,在较高温度下,计算值与实验观测值吻合得较好。研究结果对制订合理变形工艺有帮助。

关键词(KeyWords)： 低碳贝氏体钢;析出动力学;应力松弛

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(50964012);; 新金属材料国家重点实验室开放基金资助项目(2010Z-06)

作者(Author): 董洪波,康永林,王克鲁

DOI: 10.13289/j.issn.1009-6264.2011.11.009

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