振動(dòng)時(shí)效去除鋁合金鍛件殘余應(yīng)力效果的研究
[Abstract]:The residual stress of 7A04 aluminum alloy forgings was removed by vibration aging and heat treatment after rough machining. The internal residual stresses of forgings before and after treatment were measured by X-ray diffraction. The results show that the maximum removal rate of residual stress by vibration aging is 89 and the removal rate of residual stress by heat treatment is 94. The effect of vibration aging on the removal of residual stress of forgings is close to that of heat treatment when the process parameters and the position of excitation point are suitable.
【作者單位】: 中國(guó)工程物理研究院機(jī)械制造工藝研究所;
【分類(lèi)號(hào)】:TG156
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10 許e,
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