40Cr钢表面纳米层的微观结构

材料科学与工程学报, 2003, 21(5): 706-710. doi: 10.3969/j.issn.1673-2812.2003.05.021

40Cr钢表面纳米层的微观结构

赵新奇 ^1, , 徐政 ^2, , 张俊宝 ^3, , 宋洪伟 ^4,

1.同济大学材料科学与工程学院,上海,200092;上海宝钢股份公司研究院,上海,201900

2.同济大学材料科学与工程学院,上海,200092

3.同济大学材料科学与工程学院,上海,200092;上海宝钢股份公司研究院,上海,201900

4.上海宝钢股份公司研究院,上海,201900

基金项目: 上海市学科科研项目上海宝钢集团公司资助项目

关键词：微观结构 , 40Cr钢 , 纳米晶体材料 , 表面纳米化

Microstructures of Nanocrystalline surface Layer of 40Cr Steel

采用高能表面处理技术在40Cr钢表面制备出具有纳米晶体结构特征的表面层.利用透射电子显微镜和穆斯堡尔谱仪分析研究了表面纳米层的微观结构.结果表明,经过高能表面处理后,样品表面层晶粒细化为纳米晶,平均晶粒尺寸约为11nm.表面纳米层表面处渗碳体发生溶解.

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材料期刊网

40Cr钢表面纳米层的微观结构

Microstructures of Nanocrystalline surface Layer of 40Cr Steel

参考文献