Influence of Heat Teatment on Hardness of Cu-Zn-Cr Alloys
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Abstract
The effects of different heat treatments on the haodness of Cu-17Zn-0.4Cr(wt%)alloys were studied.The alloys’ hardness decrease with aging time prolonging and aging temperature going up.Rapid hot rolling and quenching is hold the effects of working ardhening.When the alloys is fast hot rolled,aged at 450-525 ℃×1 h and solid solution treated at 900 ℃×1 h,the hardness of the alloys could reach above 110 HV.
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