Flow mechanisms in high pressure gas atomization
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2021, Progress in Materials ScienceCitation Excerpt :The yield strength, tensile strength, and elongation were 1461 MPa, 2272 MPa, and 31.5%, respectively, which displayed superior mechanical strength and ductility compared with Ni-based alloys 625 and 718. The atomization condition can control powder morphology, size distribution, and purity [136,148,464]. In the injection molded stainless steel alloy from water and gas atomized powders, a relative density of 97% was reported for the WA powder while near full density was seen for the GA powder [142].
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2020, Journal of the European Ceramic SocietyCitation Excerpt :Therefore, in order to obtain ceramic pebbles with a particle diameter of 1 mm (in the spraying process, a pebble with the particle diameter of 1 mm has a large sphere), it is necessary to control the gas pressure within a limit. In the spraying process, secondary spraying [28] may occur where the droplets separated from the liquid flow will undergo a second crushing under the impact of the gas flow to form finer droplets. In this experiment, secondary spraying is not desirable, which is also the particularity of this experiment in the spraying process.