Higher-Strength Steels Specially Processed for High Heat Input Welding
نویسندگان
چکیده
منابع مشابه
Laser welding of modern automotive high strength steels
The paper demonstrates the correlation between the chemical composition of steel grades and the hardness as well as the formability of laser welds generated with modern automotive high strength steel grades. At the very low heat input of industrial laser welding and the resulting extremely high cooling rate, the weld hardness is fully controlled by the carbon content of the base materials and n...
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Modern vehicle bodies make intensive use of high strength steel grades to meet the contradicting demand of lighter weight and simultaneously better mechanical performance. For many steel grades microalloying by niobium is the key to achieve their characteristic property profile. In HSLA steels niobium enhances the strength primarily by grain refinement. In interstitial free high strength steels...
متن کاملhigh-strength bainitic steels
with careful design, mixed microstructures consisting of fine plates of upper bainitic ferrite separated by thinfilms of stable retained austenite have exhibited impressive combinations of strength and toughness in highsiliconbainitic steels. the silicon suppresses the precipitation of brittle cementite leading to an improvement intoughness. the essential principles governing the optimisation o...
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ژورنال
عنوان ژورنال: Journal of Ship Production
سال: 1985
ISSN: 8756-1417,1542-0469
DOI: 10.5957/jsp.1985.1.4.222