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Analysis on surface flaw of belt roller of automobile engine
Author(s): 
Pages: 73-76
Year: Issue:  3
Journal: Ordnance Material Science and Engineering

Keyword:  表面缺陷粗夹杂硅酸盐皮带轮;
Abstract: 某汽车发动机皮带轮在加工过程中,近50%的零件表面发现有微裂纹.用金相显微镜、扫描电镜和超声波C扫描等分析仪器,研究汽车发动机皮带轮表面缺陷的形成原因.结果表明,零件表面的缺陷是钢管原材料在冶炼浇注过程中混入的硅酸盐类粗夹杂形成的.
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