발간논문

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Vol.10, No.2, 121 ~ 129, 1972
Title
A study on Microstructural Change of Embrittled Fe - Cr - Ni System Alloys by means of Selective Etching
김동훈 Tong H . Kim
Abstract
The phase transition in α solid solution of the Fe-Cr-Ni system was investigated in the temperature range corresponding to the 475℃ embrittlement, by means of hardness measurements and microstructural changes by potentiostatic etching. The Ni addition in the Fe-Cr binary system affected the miscibility gap to shift to the lower temperatures. Moreover, from the results of electro-chemical measurements, it was confirmed that the α solid solution in alloys aged within this gap would separate into chromium-rich and iron-rich α solid solutions.
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