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45钢吊钩螺母淬火裂纹分析

MW Metal Forming(2012)

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Abstract
45钢吊钩螺母薄壁处淬火时产生开裂,对开裂的吊钩螺母进行了化学成分、显微组织分析。结果表明,非金属夹杂物严重超标和工件薄厚不均产生的淬火应力共同导致了批量开裂的产生。其中,非金属夹杂物严重超标是导致工件淬火时开裂的主要原因。
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