【摘 要】
：
研究了高强高韧Ti-5Mo-5V-6Cr-3Al(TB16)钛合金热穿管的显微组织和力学性能.结果表明:在950℃保温2h通过两棍斜轧穿孔制备高强钛合金管材φ102mm(外径)×φ84mm(内径)×1500mm(长度),显微组织主要由拉长的β相和多边形β相晶粒组成;热穿管经过热处理强化后,抗拉强度不小于1200MPa,屈服强度不小于1100MPa,断后延伸率不小于8％,力学性能优异.
【机 构】
：
北京有色金属研究总院粉末冶金及特种材料研究所,北京100088
论文部分内容阅读
研究了高强高韧Ti-5Mo-5V-6Cr-3Al(TB16)钛合金热穿管的显微组织和力学性能.结果表明:在950℃保温2h通过两棍斜轧穿孔制备高强钛合金管材φ102mm(外径)×φ84mm(内径)×1500mm(长度),显微组织主要由拉长的β相和多边形β相晶粒组成;热穿管经过热处理强化后,抗拉强度不小于1200MPa,屈服强度不小于1100MPa,断后延伸率不小于8％,力学性能优异.
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