Preparation method of multi-composite treatment self-lubricating steel bushing and bushing
The invention provides a preparation method of a multi-composite treatment self-lubricating steel bushing and a corresponding bushing, and the preparation method comprises the following steps: S100, quenching a bushing blank at a high temperature of 870-900 DEG C, tempering at a medium temperature o...
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Format: | Patent |
Sprache: | chi ; eng |
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