铸件

球墨铸铁产生片状石墨层对于铸件有哪些严重影响?

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壁厚在50mm球墨铸铁产生片状石墨层对于铸件有哪些严重影响。最大不能超过多少毫米?
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球墨铸铁组织中出现片状石墨,首先是组织不合格!然后是机械性能不合格,抗拉强度不够,延伸率不够。
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疲劳裂纹产生的地方,就是说存在大量的裂纹源。
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