Structure and properties of carburized martensite stainless steels
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High hardness and sufficient case depth are produced on martensitic stainless steels by carburizing at 950–1000°C. Fine martensite and evenly distributed dispersed carbides are formed in the case.
Carburizing above 1000°C results in an austenite zone in the diffusion coating with a coarse carbide network in the grain boundaries, leading to cracks during cooling from carburizing temperature and subsequent quenching.
KeywordsCarbide Stainless Steel Austenite Martensite High Hardness
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