oa Interim : Interdisciplinary Journal - Residual stresses in direct metal laser sintered parts
|Article Title||Residual stresses in direct metal laser sintered parts|
|© Publisher:||Central University of Technology, Free State|
|Journal||Interim : Interdisciplinary Journal|
|Affiliations||1 Central University of Technology, 2 Central University of Technology and 3 Central University of Technology|
|Publication Date||Jan 2015|
|Pages||110 - 123|
|Keyword(s)||Additive manufacturing, Direct metal laser sintering, Residual stress and Titanium alloys|
Direct Metal Laser Sintering (DMLS) fabricates parts using a track-by-track, layer-by-layer method in which powder is formed by melting and solidification of single tracks and thin layers. A laser beam scans over the powder layer thus creating a cross-sectional area of the 3D object. High-concentration of laser energy input leads to high thermal gradients which induce residual stress within the as-built parts. Methods for measurement residual stresses and stresses in DMLS parts were analysed.
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