王悔改,宋延沛,王非

• 1:河南科技大学材料科学与工程学院
• 2:中船重工第七二五研究所
• 3:洛阳双瑞精铸钛业有限公司

摘要(Abstract)：

采用扫描电镜、金相显微镜观察多重固溶时效热处理Ti-53合金板材的显微组织,并研究其室温力学性能。结果表明,随着循环热处理次数的增多,次生α片层的数量先增多而后减少,强度、硬度和塑性均先升高至峰值后开始下降,在二重固溶时效热处理时达到最大值。采用适当的多重固溶时效处理可以有效地调节材料的显微组织参数,使得一定区域内具有相同柏氏位向关系的马氏体片层发生合并,具有不同柏氏位向关系的马氏体片层发生分解,从而实现合金强度与塑韧性的良好配合。

关键词(KeyWords)： Ti-53合金;多重固溶时效处理;显微组织;力学性能

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 王悔改,宋延沛,王非

DOI: 10.13289/j.issn.1009-6264.2013.09.029

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