退火工艺对TA2热轧板显微组织和力学性能的影响

来源 :第十六届全国钛及钛合金学术交流会 | 被引量 : 0次 | 上传用户:gordontang530
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为了使热轧板在技术上实现"以热代冷",需要进行退火以获得综合性能优异的板材.因此本文研究不同退火温度和保温时间对纯钛TA2热轧板材的显微组织和力学性能的影响.其中退火温度范围为550~700℃,保温时间分别为5min和30min.结果表明,在退火温度550℃保温5min时,发生部分回复再结晶.随保温时间的延长和退火温度的升高,晶粒不断长大.综合显微组织和性能,选择退火工艺为550℃/30min满足热轧板的退火要求.其强塑积最佳,综合性能优于冷轧板,可以代替冷轧板使用,从而实现"以热代冷".
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