Microstructures and Mechanical Properties of a New Low Carbon Bainitic Weathering Steel

被引：0
|
作者：
ZHANG Si-xun 1
2.Technology Center of Laiwu Iron and Steel (Group) Co.
机构：
来源：
Journal of Iron and Steel Research(International) | 2011年 / 18卷 / S1期
关键词：
steel; mechanical characterization; bainite; precipitation; dislocations;
D O I：
10.13228/j.boyuan.issn1006-706x.2011.s1.167
中图分类号：
TG142.31 [碳钢];
学科分类号：
080502 ;
摘要：
A low carbon bainitic weathering steel with Cu-P alloying was developed.The mechanical properties and hot-rolled microstructures of the new steel at different finishing temperatures were investigated.Cu-P alloying produced strong solution strengthening,delayed the transformation of austenite to bainite,thereby increased the amount of M/A islands.The interaction of phosphorous and copper atoms with dislocations inhibited the recovery process and the formation of subgrains.Low temperature rolling promoted the formation of bainite plates and reduced the size of M/A island,which were beneficial to improving the low temperature impact toughness of phosphorus-bearing low carbon bainitic steel.
引用
收藏
页码：947 / 950
页数：4
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