张玉妥,边书,韩维新

• 1:沈阳理工大学材料科学与工程学院
• 2:中国科学院金属研究所

摘要(Abstract)：

为了克服常规端淬试验中25Cr Mo钢试样在空气中发生淬火现象,提出了一种改进的加套管的末端淬火试验方法。通过显微组织观察、定量金相和硬度测量,分析了25Cr Mo钢的显微组织与淬透性。结果表明,改进的端淬试验能够使热量沿轴向传递,避免了产生边角效应。端淬后的试样由水冷端向空冷端的显微组织依次为马氏体、马氏体+贝氏体、贝氏体。25Cr Mo钢淬硬层深度可达20 mm,具有良好的淬透性。

关键词(KeyWords)： 端淬试验改进;25CrMo钢;淬透性;显微组织

Abstract:

Keywords:

基金项目(Foundation): 科技部支撑计划(No.2009BAG 12A07-C02-1)

作者(Author): 张玉妥,边书,韩维新

DOI: 10.13289/j.issn.1009-6264.2015.02.029

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