2001 (and backfills for previous years) / DB reference years
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Author Morgan-R; Sutcliffe-CJ; O'-Neill-W; Rapid Manufacturing Group Faculty of Engineering The University of Liverpool, Liverpool, United Kingdom
Source Rapid Prototyping Journal. v 7 n 3 2001, p 159-172
Abstract An overview is given on the effects of the major process variables (Q-switch pulse frequency, laser power, scan speed, scan spacing and scan length) on the production of single layer coupons. It is shown that at certain pulse frequencies, evaporation recoil forces overcome the surface tension forces acting on the melt, improving cohesion compared to continuous wave (CW) lasing regime. The effect of power, scan speed, scan spacing and scan length on the morphology of the samples is also highlighted. (Edited abstract) 15 Refs. (Auth abstract) XX