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激光沖擊強(qiáng)化2024-T3鋁合金的數(shù)值模擬與試驗
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    摘要:

    表面沖擊坑深度和殘余應(yīng)力大小是評價激光沖擊強(qiáng)化效果的兩個重要指標(biāo),。采用數(shù)值模擬軟件對激光沖擊強(qiáng)化2024-T3鋁合金進(jìn)行了數(shù)值模擬,，對模擬過程中的關(guān)鍵技術(shù)問題進(jìn)行了處理,，建立了有限元分析模型,，并進(jìn)行了試驗驗證,。數(shù)值模擬的沖擊坑深度和試驗值相差為5.78%,，模擬的表面殘余壓應(yīng)力的最大值與試驗所得的數(shù)值偏差為

    Abstract:

    2.7％,。The magnitude of residual stress and the depth of dent are two important factors to assess the effect of laser shocking. They were simulated by numerical analysis software. During the simulation, the key technology was solved and the mathematical model was established. The experiment was also carried out to test the results of simulation. The simulation results were well agreed with the experimental results. The deviation of the depth of dents between calculated results and experimental data is 5.78%, and the magnitude of simulation of residual stresses is 2.7%, which indicated that the numerical simulation could play a directional role in optimizing parameters to improve effect of laser shock processing. 

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張興權(quán),張永康,顧永玉,周建忠.激光沖擊強(qiáng)化2024-T3鋁合金的數(shù)值模擬與試驗[J].農(nóng)業(yè)機(jī)械學(xué)報,2007,38(12):181-184.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(12):181-184.

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