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δ-Fe对ZG06Gr13Ni4Mo不锈钢韧脆转变温度的影响 被引量:4

Effects of δ-Fe on Ductile-brittle Transition Temperature of ZG06Cr13Ni4Mo Stainless Steel
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摘要 通过分析影响ZG06Cr13Ni4Mo不锈钢材料韧脆转变温度的因素,表明δ-Fe是降低此材料的抗低温冲击能力的主要原因。对此材料进行优化,减少δ-Fe含量,使材料具有良好的抗低温冲击能力。随后通过扫描电镜得到低温冲击试样断口形貌,显示此材料在极低的温度下仍保留良好的韧窝状韧性断口形貌,随温度降低,冲击断口会呈从完全韧窝状变成韧窝-解理状,再到完全解理状的变化规律。 After analyzing the factors of ductile-brittle transition temperature of ZG06Cr13Ni4Mo stainless steel,which showed that the main factor was microstructure of material including δ-Fe.Making ZG06Cr13Ni4Mo stainless steel better by reduce the δ-Fe content could have good low temperature impact resistance.The appearances by scanning electron microscope showed that the material remained a good dimple fracture toughness in a lower temperatures,and the impact fracture pattern would be from dimple to dimple-cleavage,then to perfect cleavage variation with the temperature lower.
出处 《理化检验(物理分册)》 CAS 2013年第3期139-143,共5页 Physical Testing and Chemical Analysis(Part A:Physical Testing)
基金 宁夏自然科学基金项目(NZ12291)
关键词 ZG06Cr13Ni4Mo不锈钢 冲击功 脆性断裂面积率 韧脆转变温度 冲击断口电子形貌 ZG06Cr13Ni4Mo stainless steel impact power rate of brittleness fracture area ductile-brittle transition temperature impact fracture electronic appearance
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