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不同切削加工量和时效方式对ZTC4钛合金残余应力的影响

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通过测量不同切削量加工、不同时效方式处理后的ZTC4 钛合金板块残余应力,比对分析切削量及不同时效方式对ZTC4 残余应力的影响.结果表明,通过切削加工引入残余应力数值与切削量呈正相关,随着切削量的增加引入应力增长幅度小;试验条件下振动时效及热时效对ZTC4 钛合金的去应力效果相当;对于振动时效及热时效,时效前残余应力数值越大,时效所能去除的应力越多,应力去除率越高.
Effect of Different Cutting Amount and Aging Mode on Residual Stress of ZTC4 Titanium Alloy
In this paper,the residual stress of ZTC4 titanium alloy plate after different cutting amount and different aging methods is measured,and the influence of cutting amount and different aging methods on the residual stress of ZTC4 titanium alloy plate is compared and analyzed.The results show that the value of residual stress introduced by cutting is positively correlated with the amount of cutting,while the increase of the amount of cutting is small.Under the experimental conditions,the effect of vibration aging and thermal aging on the stress relief of ZTC4 titanium alloy is similar.For vibration aging and thermal aging,the larger the residual stress value before aging,the more stress can be removed by aging,and the higher the stress removal rate.

residual stressesvibrational stress reliefthermal agingZTC4 titanium alloy

潘浩、郭林通、杜宇、邹磊、梁凡

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西安秦钛智造科技有限公司,陕西 西安 710016

残余应力 振动时效 热时效 ZTC4钛合金

2024

有色金属加工
中国有色金属工业协会 洛阳有色金属加工设计研究院

有色金属加工

影响因子:0.263
ISSN:1671-6795
年,卷(期):2024.53(5)