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对铁素体球墨铸铁拉伸断口的宏观与微观形貌和在拉伸载荷作用下裂纹的萌生和扩展作了研究,以阐明其控伸断裂的基本规律。
The macroscopic and microscopic morphology of tensile fracture of ferrite nodular cast iron and the initiation and propagation of cracks under tensile load were studied in order to clarify the basic rules of controlled fracture.