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|Title: ||Investigation of fully dense laser sintering of tool steel powder using a pulsed Nd:YAG (neodymium-doped yttrium aluminium garnet) laser|
|Authors: ||Su, W.-N.|
Dickens, Phill M.
|Keywords: ||Laser sintering|
|Issue Date: ||2003|
|Publisher: ||Professional Engineering Publishing / © IMechE|
|Citation: ||SU, W.-N., ERASENTHIRAN, P. and DICKENS, P.M., 2003. Investigation of fully dense laser sintering of tool steel powder using a pulsed Nd:YAG (neodymium-doped yttrium aluminium garnet) laser. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 217 (1), pp. 127-138|
|Abstract: ||A 550W neodymium-doped yttrium aluminium garnet (Nd:YAG) pulsed laser was used in the solid freeform fabrication (SFF) process to form fully dense sintered parts. Tool steel powder was chosen due to its wide acceptance in the tool-making industry. Unlike many processes applying either thermoplastic binder or metals of low melting points in the powder mixture, this process enables a direct fusion of material to solid parts without a further post-processing step. This paper presents a methodology and the results of high-power laser sintering of tool steel powder. The investigation includes the effects of various process parameters on the fully dense laser sintering results on a single bead and single layer and the related scan strategy to build up solid cubes. This process could eventually produce pre-forms with complex material structures rather than finished tools or parts.|
|Description: ||This article was published in the journal, Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science [© IMechE]. It is also available at: http://journals.pepublishing.com/content/119771|
|Appears in Collections:||Published Articles (Mechanical, Electrical and Manufacturing Engineering)|
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