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时效温度对RT1400钛合金力学性能及耐磨性的影响

Effect of Aging Temperature on Mechanical Properties and Wear Resistance of RT1400 Titanium Alloy
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摘要 对RT1400(Ti-4.8Al-5.6Mo-3V-1.5Cr-1.6Fe)高强亚稳β钛合金进行固溶时效处理,探究时效温度对其力学性能及耐磨性的影响。结果表明:RT1400钛合金试样在480℃保温4h后具有较好的综合力学性能,其抗拉强度为1612 MPa,洛氏硬度值为43.08HRC,摩擦系数为0.358,磨损量为0.15 mg。由表面磨痕分析可知,时效温度为480℃时,RT1400钛合金的磨损机制为粘着磨损,时效温度为500℃时磨损机制为粘着磨损+磨粒磨损。 The high-strength metastableβtitanium alloy RT1400(Ti-4.8Al-5.6Mo-3V-1.5Cr-1.6Fe)was subjected to solution aging treatment,and the influence of aging temperature on mechanical properties and wear resistance was explored.The results show that the comprehensive mechanical properties of RT1400 titanium alloy specimen after holding at 480℃for 4 h are good,and its tensile strength is 1612 MPa,Rockwell hardness value is 43.08HRC,friction coefficient is 0.358,and wear amount is 0.15 mg.According to the surface scratch analysis,the wear mechanism of RT1400 titanium alloy is adhesive wear when the aging temperature is 480℃,and the wear mechanism is adhesive wear and abrasive wear when the aging temperature is 500℃.
作者 张硕 马健凯 王海丽 姬坤海 杨帆 赵恒章 赵恺 李明佳 Zhang Shuo;Ma Jiankai;Wang Haili;Ji Kunhai;Yang Fan;Zhao Hengzhang;Zhao Kai;Li Mingjia(School of Material Science and Engineering,Xi’an Shiyou University,Xi’an 710065,China;Xi’an Rare Metal Materials Institute Co.,Ltd.,Xi’an 710016,China)
出处 《钛工业进展》 CAS 2024年第4期9-16,共8页 Titanium Industry Progress
基金 陕西省重点产业链关键核心技术产业化“揭榜挂帅”项目 陕西省自然科学基础研究计划资助项目(2023-JCQN-0518) 陕西省秦创原引用高层次创新创业人才项目(QCYRCXM-2022-286,QCYRCXM-2022-184) 陕西省重点研发计划项目(2024GX-YBXM-358)。
关键词 RT1400钛合金 时效温度 力学性能 耐磨性 RT1400 titanium alloy aging temperature mechanical properties wear resistance
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