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Effect of the Heat Treatment Parameters on the Phase Transformation and Corrosion Resistance of Fe-14Cr-3Mo Martensitic Stainless Steel  

Park, Jee Yong (Technical research lab., POSCO)
Park, Yong Soo (Department of Metallurgical Engineering, Yonsei University)
Publication Information
Corrosion Science and Technology / v.6, no.2, 2007 , pp. 56-61 More about this Journal
Abstract
Carbide dissolution during heating processes can change chemical composition of martensitic stainless steel in its austenitic phase. Although the austenitizing treatments were carried out at a homogeneous austenite region, the amount of carbon atom in the matrix differs. Increase in the amount of carbon contents in the matrix resulted in decreasing MS temperature, which consequently causes the volume fraction of the retained austenite to increase. This study reveals the effects of the austenitizing treatment on the properties of Fe - 0.3C - 14Cr - 3Mo martensitic stainless steel change with different austenitizing temperatures.
Keywords
stainless steels; martensite; phase transformation; corrosion resistance; carbides; retained austenite; heat treatment parameters;
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