采用不封装的热等静压法来制备多孔NiTi形状记忆合金,着重研究了不同工艺参数对孔隙特性的影响规律.结果表明:采用烧结时间3 h制备出的多孔NiTi记忆合金能得到令人满意的孔隙特征,分别采用100 MPa和400 MPa的冷压压力能够制备出两种完全不同孔状结构的多孔NiTi记忆合金,一种是均匀分布的结构,另外一种则是层状结构(多孔层-致密层-多孔层);而且,随着热压压力的增加,孔隙特征参数减小.
所属栏目
中国博士后科学基金资助项目(20060390199)
收稿日期
2007/4/242007/7/16
作者单位
袁斌:华南理工大学机械工程学院, 广东 广州 510641
梁锦霞:华南理工大学机械工程学院, 广东 广州 510641
李星:华南理工大学机械工程学院, 广东 广州 510641
曾美琴:华南理工大学机械工程学院, 广东 广州 510641
高岩:华南理工大学机械工程学院, 广东 广州 510641
备注
袁斌(1977-),男,江西泰和人,讲师,博士.
引用该论文:
YUAN Bin,LIANG Jin-xia,LI Xing,ZENG Mei-qin,GAO Yan.Effect of Parameters on Pore Characteristics of Porous NiTi Shape Memory Alloys Fabricated by Hot Isostatic Pressing[J].Materials for mechancial engineering,2008,32(3):8～12
袁斌,梁锦霞,李星,曾美琴,高岩.工艺参数对热等静压法制备多孔NiTi记忆合金孔隙特性的影响[J].机械工程材料,2008,32(3):8～12
被引情况:
【1】
袁斌,赖铭,梁锦霞,曾美琴,高岩, "烧结时间对多孔NiTi形状记忆合金时效时马氏体相变的影响",机械工程材料
35, 6-10(2011)
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