-1的等溫壓縮條件下將IN706高溫合金分別壓縮30%、45%和60%,研究了IN706高溫合金的流變應力。采用指數(shù)型Zener-Hollomon方程來描述應變和溫度對熱變形的影響,同時在考慮應變補償?shù)谋緲嫹匠讨锌紤]了α、n、Q和lnA等不同材料常數(shù)的應變效應,并對相關系數(shù)R和平均絕對相對誤差進行了驗證。在構建本構方程的基礎上,繪制了IN706高溫合金的熱加工圖,并根據Murty準則給出了不穩(wěn)定區(qū)域。結果表明,應變速率0.1 s-1、溫度1313~1353 K是合理的熱加工工藝參數(shù)窗口。;IN706 superalloy is particularly sensitive to the parameters of hot working process. The flow stress of the IN706 superalloy was investigated during reduction deformation of 30%, 45%, and 60% under the isothermal compression conditions of temperature at 1143–1393 K and strain rate at 0.01, 0.1, 0.5, and 1 s-1. The exponent-type Zener-Hollomon equation was used to describe the impact of strain and temperature on the thermal deformation. Meanwhile, the strain effect of various material constants, such as α, n, Q, and lnA, was considered in the constitutive equation considering the strain compensation, and the correlation coefficient R and the average absolute relative error were verified. On the basis of constitutive equation construction, the hot processing map of IN706 superalloy was drawn, and the instability region was obtained based on the Murty criterion. Results show that the reasonable thermal working process parameter window is strain rate of 0.1 s-1 and temperature of 1313–1353 K."/>
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