Interaction Between Ceramic Molds and High-Speed Steel during Gravity and Vacuum Investment Casting

被引：0
作者：
Alexander S. Chaus
Matej Bračík
L’ubomír Čaplovič
机构：
[1] Slovak University of Technology in Bratislava,Faculty of Materials Science and Technology in Trnava, Institute of Production Technologies
[2] Slovak University of Technology in Bratislava,Faculty of Materials Science and Technology in Trnava, Institute of Materials Science
来源：
Journal of Materials Engineering and Performance | 2019年 / 28卷
关键词：
cobalt aluminate; face coat; high-speed steel; interaction; investment casting;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Ceramic molds containing the ZrSiO4/SiO2 primary face coat with and without addition of cobalt aluminate were produced. After firing, the surface and the cross sections of the face coats were subjected to detailed characterization using XRD, SEM and EDS. The interaction between the mold systems and 0.9C-6W-5Mo-4Cr-2V high-speed steel was studied during the gravity and vacuum investment casting. During casting, the isostructural transformation of the initial ZrSiO4 filler occurred. For the mold without addition of the cobalt aluminate, two different types of interaction products [multicomponent phase containing O, Al, Zr, Fe, W and V and (Fe, W,Mo,Cr)2Al2O6)] were revealed. An interaction layer of a depth in the range of 5-30 μm was thoroughly studied after casting into the mold containing the cobalt aluminate. Addition of the cobalt aluminate into the ceramic system provided significant refinement of the high-speed steel microstructure.
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页码：4774 / 4789
页数：15
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