研究了高强度TA18合金管材的性能评价与控制方法.利用X射线衍射法,测量了表征管材织构的极图、反极图和取向分布函数ODF,通过对国内外典型规格管材不同晶面织构强度的对比分析,得出高性能的管材织构以{0001｝<-1100>为主.给出了收缩应变比CSR的测试原理及方法,研究了CSR与其他性能之间的关系.结果表明,提高CSR有利于提高径向织构分布比例及管材的强度和塑性.提出了管材性能控制方法,即提高减壁/减径比Q值,则管材径向织构分布比例增加,CSR提高.
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