EFFECT OF ENERGY DENSITY AND BUILD ORIENTATION ON MICROSTRUCTURE OF ADDITIVE MANUFACTURED STAINLESS STEEL | Zendy

Penn RAWN | Zendy; Sudhakar Vadiraja | Zendy

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EFFECT OF ENERGY DENSITY AND BUILD ORIENTATION ON MICROSTRUCTURE OF ADDITIVE MANUFACTURED STAINLESS STEEL

Author(s) -

Penn RAWN,

Sudhakar Vadiraja

Publication year - 2019

Publication title -

european journal of materials science and engineering

Language(s) - English

Resource type - Journals

eISSN - 2537-4346

pISSN - 2537-4338

DOI - 10.36868/ejmse.2019.04.03.103

Subject(s) - microstructure , orientation (vector space) , materials science , energy density , metallurgy , energy (signal processing) , composite material , impact energy , engineering physics , geometry , engineering , physics , mathematics , quantum mechanics

The objective of the present investigation was to evaluate microstructures of 316L stainless steel produced by laser powder bed fusion (LPBF) processing, as a function of processing parameters (specifically, build angle orientations and global energy density). Microstructures were characterized using an optical microscope attached with a software for a detailed analysis. Microstructure studies revealed that the grain size was only marginally affected by the build angle orientation. Micro-voids were minimal and almost no unmelted particles were noticed at relatively higher GED values, due to more complete melting conditions.

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