Influence of Aging Treatment on the Microstructure Evolution and Mechanical Properties of 316H Weld Metals with Different C Contents
نویسندگان
چکیده
The influence of 600°C aging treatment on the microstructure and mechanical properties 316H stainless steel weld metals with different C contents have been studied. results indicated that during process, rapid precipitation M23C6 carbide occurred in ?-ferrite firstly owing to high diffusion rate C. After is depleted by M23C6, residual transforms into ? phase through eutectoid transformation (?-ferrite ? + ?). Furthermore, after a long enough time, from occurred. content has significant behavior, low medium successively, while metal only carbides. variations conditions depended mainly microstructures at conditions. For metal, as time increased, increasing improved strength obviously. metals, first depletion solid solution result deteriorated strength, then formation strength. elongation impact energy.
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ژورنال
عنوان ژورنال: Isij International
سال: 2021
ISSN: ['0915-1559', '1347-5460']
DOI: https://doi.org/10.2355/isijinternational.isijint-2020-387