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Composition,Processing Technology and Property of Ceramic Die Materials Containing Rare Earth Additives
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作者 肖光春 许崇海 方斌 《Journal of Rare Earths》 SCIE EI CAS CSCD 2007年第S2期287-292,共6页
Development and application of new ceramic die materials is one of the important topics in the field of die research. The composition, processing technology, mechanical property and engineering performance of the cera... Development and application of new ceramic die materials is one of the important topics in the field of die research. The composition, processing technology, mechanical property and engineering performance of the ceramic materials such as cermet, ZTA, TZP, TZP/Al2O3, TZP/TiC/Al2O3, PSZ and Sialon, etc., with rare earth yttrium, lanthanum and cerium, and so on working as additives, were investigated and analyzed in the present study. Problems existed in the research and application of rare earth ceramic die materials were discussed. Rare earth additives can effectively improve the mechanical property and engineering performance of ceramic die materials. Thus, it will have further perspectives of wider application. More attention should be paid in the future to the toughening and strengthening of the ceramic die materials, the adding forms and kinds of rare earth elements and acting mechanisms of rare earth additives in ceramic die materials. 展开更多
关键词 ceramic die material COMPOSITION processing technology mechanical property engineering performance rare earths
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High Temperature Mechanical Properties of Ni-Al-Cr Based Alloys for Advanced Die-Materials Applications
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作者 W.Y.Kim H.S.Kim +1 位作者 Y.G.Yoo I.D.Yeo 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2008年第3期305-308,共4页
In this study, we report on advanced Ni3Al based high temperature structural alloys with Zr and B addition in order to apply in the fields of die-casting and high temperature press forming as die materials. Microstruc... In this study, we report on advanced Ni3Al based high temperature structural alloys with Zr and B addition in order to apply in the fields of die-casting and high temperature press forming as die materials. Microstructures and mechanical properties of Ni3Al based intermetallic alloys produced by vacuum arc melting were investigated in terms of phase analysis by using a scanning electron microscope (SEM) equipped with an X-ray energy dispersive spectrometer (EDS), an X-ray diffractometer (XRD) and tensile test. The duplex microstructural feature consisting of γ' matrix phase and small intermetallic dispersoids was observed to be distributed over the whole microstructure. The ultimate tensile strength of the present alloy was superior to commercial iron-based and Ni-based die-materials especially in the high temperature region. 展开更多
关键词 INTERMETALLIC die material Alloying effect Mechanical property
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