The fracture failure would occur in nodular iron crankshafts due to the over-shallow and non-uniform thickness of nitriding layer.
英
美
球铁曲轴常常由于渗氮层薄、质量不稳定而引起断裂失效,本课题研究了球铁曲轴加氧渗氮工艺。
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英 汉