Characterization and Phase Transformation of Spherical YSZ Powders Fabricated Via air Plasma Spray Method
محل انتشار: مجله سرامیک های پیشرفته، دوره: 2، شماره: 4
سال انتشار: 1395
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 219
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شناسه ملی سند علمی:
JR_ACERPT-2-4_006
تاریخ نمایه سازی: 11 اردیبهشت 1400
چکیده مقاله:
Air plasma spray (APS) process is used to produce high density and flowability spherical powders. Phase transformation that occurred in this process isn’t well known. In this paper, the YSZ powders have been sprayed in water to investigate the morphology changes and phase transformations via air plasma spray (APS) method. Phase analysis of powders was examined by XRD and the crystallite size and lattice strain of YSZ calculated by the Williamson-Hall method. Morphology and particle size measurement observed by scanning electron microscope. Therefore, results showed the good spherical YSZ powders morphology and also phase transformations were in order to improve the properties of the fabricated powders. During the YSZ powders plasma process, some monoclinic phases transform to stable tetragonal phase.
کلیدواژه ها:
نویسندگان
Mohammad Reza Dadfar
Ceramic Department, Materials and Energy Research Center (MERC)
Mohammad Reza Rahimipoor
Ceramic Division, MERC
M.R. Vaezi
Nanotechnology and Advanced Materials, Material and Energy Research Center (MERC)
A. Gholamzadeh
Department of Materials Science and Engineering, Sharif University of Technology