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期刊论文

Numerical Simulation of Brazing TiC Cermet to Iron with TiZrNiCu Filler Metal

冯吉才Lixia ZHANG Jicai FENG*

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摘要/描述

The maximum value of thermal stress and stress concentration zones of iron/TiC cermet joint during cooling were studied in this paper. The results show: the shear stress on iron/TiC cermet joint concentrates on the interface tip and the maximum value of shear stress appears on the left tip of iron/TiZrNiCu interface. Positive tensile stress on TiC cermet undersurface concentrates on both sides of TiC cermet and its value decreases during cooling. Negative tensile stress on TiC cermet undersurface concentrates on the center of TiC cermet and its value increases during cooling. Brazing temperature has little effect on the development and maximum value of thermal stress.

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