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用SEM电镜观察了高碳钢丝不同韧化处理后的拉伸断口,揭示了断口的宏观与微观形貌,从断裂机理分析了断口形貌与组织及性能的关系。
The tensile fracture of high carbon steel wire after toughening was observed by SEM. The macroscopic and microscopic appearance of the fracture was revealed. The fracture morphology was analyzed for the relationship between fracture morphology and microstructure and properties.