Low Carbon Martensite Stainless Steel 低碳马氏体不锈钢 lath martensite steel 板条马氏体钢 austenite-martensite double phases stainless steel 马氏体双相不锈钢 ..
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研究了超高强度板条马氏体钢的平面应变断裂韧性与缺口韧性、拉伸塑性之间的关系。
The relationship between fracture toughness and notch toughness, tensile ductilities in lath martensite steel has been investigated.
试验表明：该钢空冷条件下即可获得准贝氏体、板条马氏体及孪晶马氏体的复合组织，且具有较好的强韧性配合。
The results indicated that the steel is composed of quasi bainite, lath martensite and twin martensite under air cooling condition, and also has better combination of strength and toughness.
钢的含碳量越高，获得全部板条马氏体的临界奥氏体温度越高。
When austenitizing temperature is higher than a critical temperature, full lath martensite can be obtained in medium and high carbon steel.
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