Production and Characterization of Recycled SUS 439L Powders by Gas Atomization Process

Jin Chun Kim; Jae Young Jo; Min Kyun Shin; Jae Hyun Lim

doi:10.4028/www.scientific.net/MSF.804.123

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HomeMaterials Science ForumMaterials Science Forum Vol. 804Production and Characterization of Recycled SUS...

Production and Characterization of Recycled SUS 439L Powders by Gas Atomization Process

Abstract:

A Gas atomization process is well known method to produce spherical metallic powders. In this paper, we produced spherical stainless (SUS) 439L powders using the gas atomization process. The SUS 439L alloy powders were prepared with the SUS 439L scraps which come from after mechanical machining (press and cutting) processes. The as-prepared gas atomized powders were observed by visual identification method. Internal microstructure of the powers was observed by optical microscopy. Size and size distribution and shape of the powders were observed by field emission scanning electron microscope and laser partial size analyzer. Phase of the powers was analyzed by X-ray diffraction. Full densified samples were produced by conventional sintering and spark plasma sintering processes. Mechanical properties of the sintered samples were measured by Vickers hardness tester.

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Periodical:

Materials Science Forum (Volume 804)

Pages:

123-126

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.804.123

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Online since:

October 2014

Authors:

Jin Chun Kim*, Jae Young Jo, Min Kyun Shin, Jae Hyun Lim

Keywords:

Gas Atomization, Recycled SUS Powder, Sintering, Spark Plasma Sintering

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