何肖飞,张伟锋,王毛球,闫永明

• 1:钢铁研究总院有限公司特殊钢研究院

摘要(Abstract)：

为了研究冷轧压下率对C-Cr-Mn-Si低合金钢组织和性能的影响，对其进行了4种冷轧压下率(6%、16%、40%、52%)的冷轧试验。利用光学显微镜、拉伸试验、冲击试验和布氏硬度计等分析了试验钢的组织和性能。结果表明：随着冷轧压下率的增加，试验钢各向异性增加，黑色条带状渗碳体组织逐渐明显，同时在厚度方向上组织不断细化，这有利于试验钢拉伸强度的增加，但会影响其冲击性能。另外，冷轧处理使试验钢产生明显的加工硬化效果，显著提升了其表面硬度，并且随着冷轧压下率的增加，硬度整体呈现增加的趋势。

关键词(KeyWords)： 低合金钢;冷轧压下率;组织;力学性能;加工硬化

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 何肖飞,张伟锋,王毛球,闫永明

DOI: 10.13289/j.issn.1009-6264.2022-0159

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