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高温合金蜂窝状构造的真空扩散焊加工特性

Publisher: Administrator Date:2022-05-26


钼基高温合金蜂窝状构造的机械泵蔓延焊接方式在于其特性:依据钼基高温合金零件的原料制取,产生以上零件配对的,电镀液态 阿依莲镍板为阳极氧化处理原材料,钼基高温合金零件,为负级原材料,以上电镀液运用于55℃电镀在恒温水浴槽中开展;电镀工艺后,用酸乙酯去除钼基高温合金零件,表面污渍,组装钼基高温合金零件;将安装好的钼基高温合金零件组装在真空钎焊炉中,将钼基高温合金零件冲装至第一压力,慢慢真空保鲜,直到真空泵值≤1×10-4Pa;将真空钎焊炉加温到第一工作温度,将钼基高温合金零件,冲装至第二压力,将真空钎焊炉加温至第二工作温度,隔热保温预设时长,隔热保温后停止真空钎焊炉加温至700℃,压力按2MPa/min释放压力速率降到0MPa,钼基高温合金零件空冷至20℃;将真空钎焊炉加温至第一工作温度,将钼基高温合金零件冲装至第二压力,包含:25℃/min加温真空钎焊炉至800℃,到达800℃压力按照以0.2MPa/min冲装速率为4MPa,真空钎焊炉在整体过程中维持800℃;当压力一直在第二压力时,将真空钎焊炉加温到第二工作温度,包含 MPa时,以11℃/min将真空钎焊炉,加温到1300℃保温隔热32min,在整个过程中维持4MPa压力。
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