Hot tear segregations as quality decisive factor for advanced steel ...
Hot tear segregations as quality decisive factor for advanced steel ...
Hot tear segregations as quality decisive factor for advanced steel ...
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ConclusionsTolerance <strong>for</strong> HT and HTS<strong>Hot</strong> <strong>tear</strong>ing sensitivity of <strong>steel</strong>s> 2/3 of theproduced<strong>steel</strong>s areinsensitive <strong>for</strong>HT and HTSHTS-<strong>for</strong>mationresults fromsingular eventsHTS-critical<strong>steel</strong>gradesExamples:Medium manganese<strong>steel</strong>s (0.1%C, 5% Mn)M³ HSLA (Mo, Nb, Ni, Al)B-alloyed <strong>steel</strong>s,….Incre<strong>as</strong>ing complexity of <strong>quality</strong> demands,Incre<strong>as</strong>ing content of „critical“ elements in the <strong>steel</strong>PRICM8 Bernhard 27<strong>Hot</strong> <strong>tear</strong> <strong>segregations</strong> <strong>as</strong> <strong>quality</strong> <strong>decisive</strong><strong>factor</strong> <strong>for</strong> <strong>advanced</strong> <strong>steel</strong> gradesC. Bernhard 1) , G. Arth 1) , S. Ilie 2) and S.C. Michelic 1,3)1)Montanuniversitaet Leoben, Austria2)voestalpine Stahl, Linz, Austria3)INTECO Special Melting Technologies, Bruck, Austria8th Pacific Rim International Congress onAdvanced Materials and ProcessingAugust 4-9, 2013Hilton Waikoloa Village • Waikoloa, HawaiiA working group of COM
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