1. 新疆大学材料科学与工程学院新疆环境功能材料工程技术研究中心
2. 哈尔滨工程大学材料科学与化学工程学院
纸质出版:2025
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[1]朱小硕,苏喜阳,傅宇东,等.40Cr钢强烈淬火综合换热系数的计算及验证[J].新疆大学学报(自然科学版中英文),2025,42(05):574-580.
[1]朱小硕,苏喜阳,傅宇东,等.40Cr钢强烈淬火综合换热系数的计算及验证[J].新疆大学学报(自然科学版中英文),2025,42(05):574-580. DOI: 10.13568/j.cnki.651094.651316.2025.05.31.0001.
DOI:10.13568/j.cnki.651094.651316.2025.05.31.0001.
以40Cr钢的热物性参数和强烈淬火过程的冷却曲线为基础,考虑材料热物性参数随温度的变化情况,运用Deform软件的反传热模块,计算出40Cr钢强烈淬火过程综合换热系数(HTC).结果表明:在强烈淬火过程中,强烈搅拌使强烈淬火初期的膜态沸腾转变为核沸腾,提高了强烈淬火综合换热系数,同时,强烈淬火前期和中期的综合换热系数保持相对稳定;40Cr钢强烈淬火综合换热系数呈现“厂”字形,且当温度为400℃时综合换热系数达到最大值,约为40 000 W/(m2·℃).
Based on the thermal properties of 40Cr steel and its cooling curve during intensive quenching
and taking into account the temperature-dependent variations in material thermal properties
the integrated heat transfer coefficient(HTC) during intensive quenching of 40Cr steel is calculated using the reverse heat transfer module of Deform software.Results show that during intensive quenching
vigorous agitation causes the initial film boiling to transform into nucleate boiling
which in turn enhances the overall heat transfer coefficient.Meanwhile
the overall heat transfer coefficient remains relatively stable during the early and middle stages of intensive quenching.The HTC of 40Cr steel during intensive quenching exhibits a “厂” shaped profile.It reaches a peak value of approximately 40 000 W/(m2·℃) at 400℃.
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