TB9钛合金丝材及拉伸弹簧的热处理工艺研究  

Study on Heat Treatment Technology of TB9 Titanium Alloy Wire and Tensile Spring

作　　者：祝鹤 卢影峰 焦清洋 李红恩[2] 侯峰起 郝芳 田成 ZHU He;LU Yingfeng;JIAO Qingyang;LI Hong'en;HOU Fengqi;HAO Fang;TIAN Cheng(AVIC Shenyang Aircraft Company Limited,Shenyang 110850,China;Shenyang Aircraft Design&Research Institute,Shenyang 110035,China;Western Superconducting Technologies Co.,Ltd.,Xi'an 710016,China)

机构地区：[1]沈阳飞机工业(集团)有限公司,辽宁沈阳110850 [2]沈阳飞机设计研究所,辽宁沈阳110035 [3]西部超导材料科技有限公司,陕西西安710016

出　　处：《热加工工艺》2021年第24期131-133,共3页Hot Working Technology

摘　　要：研究不同气氛、不同冷却方式的时效处理对TB9钛合金丝材室温拉伸性能的影响,确定最佳的丝材及弹簧时效处理方式和制度。结果表明,经过550℃×8 h/充氩气冷却时效处理后的TB9丝材可稳定达到最优的强度区间,同时具有理想的塑性性能匹配,良好满足弹簧工作特性要求;另外,研制的弹簧变形控制装备可有效消除弹簧热处理过程中产生的变形,获得尺寸优异的弹簧制品。The effects of aging treatment in different atmospheres and cooling modes on the tensile properties of TB9 titanium alloy wire at room temperature were studied.The aging treatment method and system for wire and spring were determined.The results show that TB9 wire can reach the optimal strength range after 550℃×8 h/argon-filled cooling aging treatment.At the same time,it has ideal plastic property matching and meets the requirements of spring working characteristics well.In addition,the developed spring deformation control equipment can effectively eliminate the deformation produced in the process of spring heat treatment,and obtain the spring products with excellent size.

关 键 词：TB9 拉伸弹簧 时效 变形控制 

分 类 号：TG166.5[金属学及工艺—热处理]