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Sintered AISI 316L austenitic stainless steel powder modified with boroncontaining master alloy micropowder was investigated. Master alloy amount was precisely calculated to assure boron amount in resulting alloy on 0,4 wt % level, added through 24 h mixing in Turbula™ mixer to assure good uniform distribution of master alloy in the base powder. Such amount of boron provides high final densification...
Otrzymywanie jednofazowych tworzyw z węglika krzemu metodą spiekania swobodnego wymaga aktywowania proszku - borem i węglem. Pierwszym, który użył wymienionych aktywatorów i wyjaśnił ich rolę był S. Prochazka. Sugerował on, że aktywatory zgodnie z równaniem Younga zwiększają poprzez zmiany energii powierzchniowej i granic międzyziarnowych kąt dwuścienny i w ten sposób doprowadzają do spieczenia układu...
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