氢化物在Zr-4合金中变形行为的研究

稀有金属材料与工程, 2003, 32(12): 1045-1048.

氢化物在Zr-4合金中变形行为的研究

王瑞红 ^1, , 丁向东 ^2, , 刘刚 ^3, , 肖林 ^4, , 孙军 ^5,

1.西安交通大学,陕西,西安,710049

2.西安交通大学,陕西,西安,710049

3.西安交通大学,陕西,西安,710049

4.西安交通大学,陕西,西安,710049

5.西安交通大学,陕西,西安,710049

基金项目: 国家自然科学基金(59971034,59925104)

关键词： Zr-4合金 , 氢化物 , 塑性变形 , 原位观察

Deformation Behavor of Hydride in Zircaloy-4

利用SEM原位观察,研究了氢化物在Zr-4合金中的形貌,大块团状分布的氢化物,稀疏分布的氢化物和单个氢化物的变形行为.结果表明Zr-4合金中的氢化物在室温下具有一定的塑性变形能力,可以随基体发生较大的变形,且氢化物的变形行为和其形貌密切相关.大块团状分布的氢化物的变形能力较差,断裂较早,稀疏分布的氢化物的变形能力较好,断裂较晚,而单个氢化物的变形能力最好,不易断裂.

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材料期刊网

氢化物在Zr-4合金中变形行为的研究

Deformation Behavor of Hydride in Zircaloy-4

参考文献