本文用Vg-HB_5型扫描透射电镜观察了经等温处理的_(55)SiMnMo 钢贝氏体-奥氏体的界面结构。结果表明,上贝氏体的界面位错以刃型分量为主导。位错线的投影间距为2—4nm。
An electron microscopical study has been performed on quenched bainite-austenite interfaces in 55SiMnMo steel.From these observations,it is conclu-ded that the bainiticferrite-austenite is more closely associated with theWidmanstatten ferrite-austenite in
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