一种针状铁素体钢热轧板材的结构与力学性能

材料研究学报, 2004, 18(3): 321-326. doi: 10.3321/j.issn:1005-3093.2004.03.016

一种针状铁素体钢热轧板材的结构与力学性能

黎业生 ^1, , 赵明纯 ^2, , 单以银 ^3, , 杨柯 ^4,

1.南方冶金学院

2.中国科学院金属研究所

3.中国科学院金属研究所

4.中国科学院金属研究所

基金项目: 国家重点基础研究发展计划(973计划)(G1998061511) 江西省自然科学基金(0250024)

关键词：金属材料 , 管线钢 , 力学性能 , 显微结构 , 针状铁素体

Mechanical properties and microstructural characters of hot-rolled plates of an acicular ferrite steel for line pipe

在透射电镜(TEM)下观测了一种管线用针状铁素体钢热轧板材的显微组织并研究了力学性能.结果表明,这种管线用针状铁素体钢热轧板材具有较优良的强韧性能,其显微组织与焊接组织在形态上有很大的差异.管线用针状铁素体钢热轧板材中有明显界面的板条束或针状片条束;没有明显界面的板条束或针状片条束,可根据条状物或岛状物的有方向性的线状分布依稀辨别界面的存在;板条或针状片条与非等轴晶共存等多种不同形态,并不象焊接组织那样通常是单一的针状片条束或板条束形态.

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一种针状铁素体钢热轧板材的结构与力学性能

Mechanical properties and microstructural characters of hot-rolled plates of an acicular ferrite steel for line pipe

参考文献