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通过试验确定了复合轧制温度等工艺参数,计算了Ti-Zr-Mo(TZM)板累积轧制复合过程变形抗力及轧制力,并对累积复合轧制过程各道次TZM复合板进行了性能测试和组织分析.结果表明:经过三次累积复合的材料抗拉强度和界面结合状态最佳,随累积变形量的增加,复合板晶粒显著细化,晶粒断面直径200 ~500 nm,晶粒在轧制过程中被拉长、展宽,轧制横断面上组织分布均匀化.轧制复合工艺可使TZM板材抗拉强度提高50%,2 mmTZM复合板最高抗拉强度可达968 MPa,伸长率2.0%.

参考文献

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