Numerical Simulation and Infrared Image Analysis of Die Castings

机译：压铸件的数值模拟和红外图像分析

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A three-dimensional heat transfer numerical model during die casting cycles is developed by using the direct finite difference method in this paper. The boundary conditions of heat transfer during die casting process are deduced. I-DEAS is adopted as pre-processor which performs three-dimensional solid construction and automatic mesh. The temperature field of aluminum casting for auto engines has been simulated. Infrared Thermal Pictures for the die casting temperature are obtained. The simulated results are seen to be in good accordance with the infrared thermal picture. Primary reasons, which cause thermal fatigue crackle of die casting dies, are analyzed.

机译：利用直接有限差分法建立了压铸过程中的三维传热数值模型。推导了压铸过程中传热的边界条件。 I-DEAS被用作执行三维立体构造和自动网格划分的预处理器。模拟了汽车发动机铝铸件的温度场。获得了压铸温度的红外热像图。可以看出，模拟结果与红外热图像非常吻合。分析了引起压铸模热疲劳裂纹的主要原因。

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来源
《International Symposium on Computer Applications in Metals Processing Aug 26-29, 2001 Toronto, Ontario, Canada》|2001年|p.187-197|共11页
会议地点 Toronto(CA);Toronto(CA);Toronto(CA)
作者
CHUNHUI ZHANG; BIDE ZHOU;
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作者单位

McGill University Department of Mining and Metallurgical Engineering M.H. Wong Building, 3610 University Street Montreal, Quebec H3A 2B2 CANADA;

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原文格式 PDF
正文语种 eng
中图分类自动化技术、计算机技术;
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Numerical Simulation and Infrared Image Analysis of Die Castings

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