Phase Analysis of Mg-Si-Ni In-situ Composites
- سال انتشار: 1398
- محل انتشار: کنفرانس دو سالانه بین المللی مکانیک جامدات تجربی
- کد COI اختصاصی: WMECH05_006
- زبان مقاله: انگلیسی
- تعداد مشاهده: 355
نویسندگان
Undergraduate StudentDepartment of Materials and Metallurgical Engineering, University of Tehran, Tehran, Tehran Iran
Undergraduate Student Department of Materials and Metallurgical Engineering, University of Tehran, Tehran, Tehran Iran
Department of Materials and Metallurgical Engineering, University of Tehran, Tehran, Tehran Iran
Department of Materials and Metallurgical Engineering, University of Tehran, Tehran, Tehran Iran
Department of Materials and Metallurgical Engineering, University of Tehran, Tehran, Tehran Iran
چکیده
Phase formation in the newly developed Mg-Si-Ni composites was studied. Besides the primary and eutectic in-situ formed Mg2Si phase in the Mg-Si system, a new intermetallic phase was identified in the Ni-containing composites. According to the energy-dispersive spectroscopy (EDS), it was shown that this phase contains Mg, Ni, and Si elements. This revealed that the expected Mg2Ni phase does not form, which was verified based on the X-ray diffraction (XRD) analyses. Through rigorous EDS analysis, the new in-situ formed phase was identified as (Mg,Ni)3Si or more accurately as Mg8Ni7Si5 intermetallic compound, called χ-phase, which has not been reported so far in the Mg-Si-Ni ternary spaceکلیدواژه ها
Magnesium alloys, Intermetallic compounds, Microstructure, Energy-dispersive spectroscopy, X-ray diffractionمقالات مرتبط جدید
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