PREALLOY POWDER FOR POWDER METALLURGY, A SINTERED PART USING THE SAME, AND A MANUFACTURING METHOD THEREOF
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United States of America
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Issued Date -
Jan 16, 2025
app pub date -
Oct 30, 2023
filing date -
Oct 30, 2023
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Abstract
A prealloy powder for powder metallurgy, a sintered part using the same, and a manufacturing method thereof, which is configured to prevent deterioration of core hardness along with surface hardening while maintaining excellent tensile strength by adjusting an alloy composition so that a bainite phase is formed. The sintered part, which is manufactured by powder metallurgy, includes 1.05 to 1.55 wt % of Cr, 0.3 to 0.5 wt % of Mo, 0.5 to 0.7 wt % of C, and a remaining of Fe and other unavoidable impurities.
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