| 高钢级管线钢中M/A岛的微观特征及其对力学性能的影响 |
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| 引用本文： | 仝珂,庄传晶,刘强,韩新利,朱丽霞,何小东.高钢级管线钢中M/A岛的微观特征及其对力学性能的影响[J].机械工程材料,2011(2):4-7. |
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| 作者姓名： | 仝珂 庄传晶 刘强 韩新利 朱丽霞 何小东 |
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| 作者单位： | 中国石油天然气集团公司管材研究所; |
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| 基金项目： | 中国石油天然气集团公司应用基础研究项目(06A40202) |
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| 摘 要： | 通过光学显微镜和扫描电子显微镜对四种X80和X100管线钢管材组织中马氏体和残余奥氏体(M/A)岛的微观特征进行了对比分析,并结合力学性能检测,研究了M/A岛的微观特征对力学性能的影响.结果表明:X80管线钢组织中的M/A岛呈块状或点状,有尖角且不均匀分布;X100管线钢组织中的M/A岛呈点状或条状弥散分布;管线钢组织...
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| 关 键 词： | 高钢级管线钢 M/A岛 微观特征 力学性能 |
Microstructure Characteristics of M/A Islands in High Grade Pipeline Steel and Its Effect on Mechanical Properties |
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| TONG Ke,ZHUANG Chuan-jing,LIU Qiang,HAN Xin-li,ZHU Li-xia,HE Xiao-dong.Microstructure Characteristics of M/A Islands in High Grade Pipeline Steel and Its Effect on Mechanical Properties[J].Materials For Mechanical Engineering,2011(2):4-7. |
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| Authors: | TONG Ke ZHUANG Chuan-jing LIU Qiang HAN Xin-li ZHU Li-xia HE Xiao-dong |
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| Abstract: | The microstructure characteristics of martensite/austenite(M/A) islands of four kinds of X80 and X100 steel pipelines were investigated by optical microscopy and SEM contrastively,and the influences of M/A island microstructure characteristics on mechanical properties were studied combining with the tests of mechanical properties.The results show that the M/A islands presented the forms of bulk or spot with sharp corners and unevenly distributed in the microstructure of X80 pipeline steel.M/A islands of the... |
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| Keywords: | high grade pipeline steel M/A island microstructure characteristic mechanical property |
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