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xi tu mei qiu mo zhu tie ya wen zheng huo
Author(s): 
Pages: 47-48+9
Year: Issue:  11
Journal: Heat Treatment of Metals

Keyword:  亚温正火稀土镁球墨铸铁铁素体晶粒球墨铸铁曲轴珠光体量气压机机械性能高温正火渗碳体化学成分;
Abstract: <正> 我厂生产的各种型号气压机曲轴,原用45钢经锻造、正火或调质后制成。自1968年以来,绝大部分曲轴均已采用经正火处理的稀土镁球墨铸铁(QT60-2)。曲轴系气压机的关键部件,在高速运转中要承受多种应力,如弯曲、扭转、冲击和疲劳等。为了保证曲轴的寿命和精度,除要求它具有很高的强度外,还要求它具有足够
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