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BT22鈦合金固溶冷卻過(guò)程中溫降特性分析
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國(guó)家重點(diǎn)基礎(chǔ)研究發(fā)展計(jì)劃((2007CB613805)


Temperature Drop Characteristic Analysis of Solid-Solution Treated BT22 Titanium Alloy during Cooling
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    摘要:

    采用ANSYS有限元分析軟件對(duì)BT22鈦合金固溶熱處理后降溫階段溫度場(chǎng)進(jìn)行模擬，并繪制熱處理工件在降溫過(guò)程中的溫度分布等值圖，從溫度-時(shí)間曲線和工件內(nèi)部不同部位溫度曲線兩個(gè)角度分析溫降的不均勻性。通過(guò)對(duì)比實(shí)測(cè)曲線和模擬曲線發(fā)現(xiàn)兩者的相對(duì)誤差在2%~5%，同時(shí)把實(shí)測(cè)降溫曲線分為3個(gè)階段：快速降溫階段、平緩降溫階段和慢降溫階段，并分析其形成的原因

    Abstract:

    Internal temperature field of solid-solution treated BT22 titanium alloy during cooling was simulated using ANSYS finite element software and the temperature isopleth map of workpieces was plotted during this procedure. Inhomogeneity of temperature distribution during cooling was analyzed from two points of view, i.e. the temperature-time curve and position-temperature curve of workpiece interior. By comparison the relative error of actual curve and simulation curve is 2%-5%. The actual cooling curve was divided into three phases: fast cooling phase, gentle cooling phase and slow cooling phase. The reason of phase formation was also analyzed.

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吳曉東,葛 鵬,楊冠軍,毛小南,周 偉,馮寶香. BT22鈦合金固溶冷卻過(guò)程中溫降特性分析[J].稀有金屬材料與工程,2010,39(2):249~253.[Wu Xiaodong, Ge Peng, Yang Guanjun, Mao Xiaonan, Zhou Wei, Feng Baoxiang. Temperature Drop Characteristic Analysis of Solid-Solution Treated BT22 Titanium Alloy during Cooling[J]. Rare Metal Materials and Engineering,2010,39(2):249~253.]
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  • 收稿日期:2009-01-12
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