| 热工艺对ZT4（Ti-6Al-4V）钛合金铸件残余应力的影响 |
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| 引用本文： | 冯芝华,王红红,谢成木,闫渊林.热工艺对ZT4（Ti-6Al-4V）钛合金铸件残余应力的影响[J].航空材料学报,2005,25(3):25-27. |
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| 作者姓名： | 冯芝华 王红红 谢成木 闫渊林 |
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| 作者单位： | 北京航空材料研究院,精密铸造工程事业部,北京,100095 |
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| 摘 要： | 对两相钛合金ZT4(Ti-6Al-4V)铸件在不同的后处理工艺条件下表面的残余应力分布进行了研究.试验发现热等静压处理后铸件表面的残余应力处于较低的应力水平状态,补焊后铸件表面的热应力呈现分散的大数值拉-压应力状态,退火可有效降低铸件表面的热应力,退火后残余应力水平与退火出炉温度有关.
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| 关 键 词： | 钛合金 残余应力 处理工艺 |
| 文章编号： | 1005-5053(2005)03-0025-03 |
| 修稿时间： | 2003年12月29 |
Effect of Heat Processing on Titanium Alloy (Ti-6Al-4V Ti) Castings Residual Stress |
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| FENG Zhi-hua,WANG Hong-hong,XIE Cheng-mu,YAN Yuan-lin.Effect of Heat Processing on Titanium Alloy (Ti-6Al-4V Ti) Castings Residual Stress[J].Journal of Aeronautical Materials,2005,25(3):25-27. |
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| Authors: | FENG Zhi-hua WANG Hong-hong XIE Cheng-mu YAN Yuan-lin |
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| Abstract: | Surface residual stress distribution of duplex phases titanium alloy(ZT4) castings in the case of different successive processing are investigated.The experiment results indicate that surface residual stress of castings after hot isostatic pressing is in lower stress level,surface residual stress of welded castings appears scatter and larger numberal value tensile-compressive stress,Annealing treatment can effectively relieve surface residual stress of castings to certain stress level.The final surface residual stress of annealed castings is related to the off-furnace temperature. |
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| Keywords: | titanium alloy residual stress processing |
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