Investigation on the connecting strength of Fe-Mn-Si-C shape memory alloy pipe coupling

Pinqiang Dai; Lihua Zhou
June 2006
Journal of Materials Science;Jun2006, Vol. 41 Issue 11, p3441
Academic Journal
The article presents a study on the connecting strength of pipe coupling made of Fe-Mn-Si-C shape memory alloy. Vacuum induction furnace was used to prepare the alloy for this study. Before being forged, the ingot was homogenized at 1373 Kelvin for 12 hour. The ingot was cut into semi-finished pipe coupling that were machined to form pipe couplings of varied internal diameter and wall thickness. The couplings were heated for 10 minutes to 973 Kelvin and it is followed by the process of water quench to improve the shape memory effect.


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