采用高能喷丸对0Cr18Ni9Ti不锈钢棒材端面进行了表面自纳米化处理;利用扫描电子显微镜、透射电子显微镜、X射线衍射仪和显微硬度计对塑性变形层的组织和性能进行了表征.结果表明:在距表面70 μm左右的范围内形成了100 nm以下的等轴纳米晶;从基体到喷丸表面,变形层的显微组织依次为单相奥氏体、奥氏体和马氏体两相共存、单相马氏体;晶粒细化显著提高了塑性变形层的显微硬度.
所属栏目
材料性能及其应用国家自然科学基金资助项目(50675234);重庆大学研究生院创新基金资助项目(200801A1B0100269)
收稿日期
2007/11/32008/2/23
作者单位
韩靖:重庆大学材料科学与工程学院, 重庆 400030
盛光敏:重庆大学材料科学与工程学院, 重庆 400030
胡国雄:重庆大学材料科学与工程学院, 重庆 400030
周小玲:重庆大学材料科学与工程学院, 重庆 400030
颜婧:重庆大学材料科学与工程学院, 重庆 400030
备注
韩靖(1973-),男,贵州遵义人,博士研究生.
引用该论文:
HAN Jing,SHENG Guang-min,HU Guo-xiong,ZHOU Xiao-ling,YAN Jing.Microstructure and Properities of Surface Nanostructured Layer of 0Cr18Ni9Ti Stainless Steel[J].Materials for mechancial engineering,2008,32(11):64～68
韩靖,盛光敏,胡国雄,周小玲,颜婧.0Cr18Ni9Ti不锈钢表面纳米化层的组织和性能[J].机械工程材料,2008,32(11):64～68
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