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金属学报(英文版) 1999
RELATION BETWEEN THE INTERGRANULAR SEGREGATION OF SAND THE HOT DUCTILITY IN HIGH PURITY Fe SALLOYSKeywords: high purityiron,sulphur,intergranularsegregation,intergranularfail,ure,cavity nucleation,hot ductility Abstract: 1.IntroductionSisoneofthemostdeleteriousimpuritiesinsteelsbecauseitcausesintergranularfailure(IGF)notonlyatlowtemperaturesbutalsoatelevatedtemperatures.ThedeleteriouseffectofSisgenerallyinhibitedbyadditionofMnwhichprecipitateSasMnS.Indeed,additionof…
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