期刊
HIGH TEMPERATURE MATERIALS AND PROCESSES
卷 38, 期 -, 页码 683-691出版社
WALTER DE GRUYTER GMBH
DOI: 10.1515/htmp-2019-0020
关键词
Hard materials; Mo2NiB2; SHS; XRD; SEM
资金
- Scientific and Technological Research of Turkey (TUBITAK) [213M555]
- Istanbul Technical University Research Foundation (ITU-BAP) [39662]
- Russian Foundation for Basic Research (RFBR) [14-08-91374]
Mo-Ni-B-Al as-cast alloys containing 35.5-58.7 wt% Mo, 23.0-57.6 wt% Ni, 3.3-5.2 wt% B, and 2.2-13.5 wt% Al were synthesized by Self-Propagating High-Temperature Synthesis (SHS) using a mixture of MoO3, NiO, B2O3 and Al powders in order to obtain low-cost Mo2NiB2 containing hard materials. The first series of experiments were performed using 1.05 times the stoichiometric amount of Al. In the second series of experiments, FactSage thermochemical modeling software was used to minimize Al increasing the Mo2NiB2 formation in the as-cast alloys. The products were characterized by using atomic absorption spectrometry (AAS), X-ray diffraction (XRD), scanning electron microscopy (SEM) and micro-hardness techniques.
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