Aspects of sintering of cemented carbides with Fe-based binders

被引：0
|
作者：
Schubert, W.D. [1 ]
Fugger, M. [1 ]
Wittmann, B. [1 ]
Useldinger, R. [1 ]
机构：
[1] Institute of Chemical Technologies and Analytics, Vienna University of Technology, Vienna, Austria
来源：
International Journal of Refractory Metals and Hard Materials | 2015年 / 49卷 / 01期
关键词：
Carbides - Cobalt compounds - Wear resistance - Carbide tools - Hardness - Cobalt alloys - Industrial research - Sintering - Creep - Creep resistance - Binary alloys - Iron alloys;
D O I：
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学科分类号：
摘要：
Since the early days of industrial production alternative alloy binders for cemented carbides were a focus of research. However, cobalt based alloys turned out to be the most versatile solution for the emerging widespread industrial applications. The paper presents and discusses own results on hardness, toughness, strength, wear resistance, hot hardness and creep of iron-based cemented carbides in comparison to conventional cobalt alloys; based on three iron binder systems: (a) FeNi = 90/10, 85/15, 80/20 and FeCoNi = 70/10/20, respectively (austenitic/martensitic) (b) Fe/Ni/Co= 40/40/20 (austenitic) (c) Fe/Mn (ferritic/austenitic). Vertical sections provided by CALPHAD calculations showed a good agreement with our experiments and provides a deeper understanding of the metallurgical changes occurring on the substitution of Co by Fe and Ni. © 2014 Elsevier Ltd.
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页码：110 / 123
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