【摘要】 研究了Ｐ－Ｃｕ－Ｔｉ低合金铸铁热处理的效果。试验得出，提高淬火温度，减少石墨含量，采用等温热处理，获得Ｍ／Ｂ加少量Ａ＿Ｒ组织，均可有效改善耐磨性，具有实用意义。更多还原

【Abstract】 This papert investigated the effect of heat treatment for P-Cu-Ti cast iron,It is obtained from exfm experiments that increasing quenching temporature to decrease the graphite content in microstructu re and adoptin 8 isothermal treatmen t to obtain mixture microstructure of martensite and lower bain ite with a min or amoun t of retained auster1 ite can improve effectivelv the wear resistance of P-Cu-Ti cast iron under both sliding and impact abrasive wear,which is of great practical importance.更多还原