轧制态Ti51Pd30Ni19合金在加热过程中的在位观察

1.上海交通大学高温材料及高温测试实验室,上海,200030

2.上海交通大学高温材料及高温测试实验室,上海,200030

基金项目: 上海市科技发展基金(00JC14055)

In-situ Observation of Cold-rolled Tis1Pd30Ni19 Alloy in Heating Process

研究了轧制态Ti51Pd30Ni19合金在升温过程中XRD谱及显微组织的变化情况.在低温马氏体状态,XRD谱在40度附近存在两个重叠的峰,随着温度的升高,这两个峰随之消长,对应于合金的相变过程.在升温过程中,马氏体的显微组织发生了重大变化,马氏体的亚结构在相变前变得清晰.在高温下,合金发生了氧化.

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