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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/3498

Title: Scanning strategies and spacing effect on laser fusion of H13 tool steel powder using high power Nd : YAG pulsed laser
Authors: Beal, V.E.
Erasenthiran, Poonjolai
Hopkinson, Neil
Dickens, Phill M.
Ahrens, Carlos Henrique
Keywords: Laser fusion
Rapid manufacturing
Tool steel
Issue Date: 2008
Publisher: © Taylor & Francis
Citation: BEAL, V.E. ... et al, 2008. Scanning strategies and spacing effect on laser fusion of H13 tool steel powder using high power Nd : YAG pulsed laser. International journal of production research, 46 (1), pp. 217-232
Abstract: Layered manufacturing technologies have been used to produce complex parts of diversified materials through different physical/chemical manufacturing principles. Nevertheless only a few materials are commercially available to build parts suitable for engineering applications. In this paper, the powder fusion of H13 tool steel is investigated. A high power Nd:YAG pulsed laser source on a CNC machine was used to fuse the powder, layer by layer, building solid cubes for further analysis. Four different laser vector scanning strategies were evaluated by comparing the results of porosity and layer distortion. The complexity of the laser/powder interaction shows that a complex strategy must be used to avoid porosity and distortion.
Description: This journal article was published in the journal, International Journal of Production Research [© Taylor & Francis] and the definitive version is available at: http://www.informaworld.com/smpp/title~content=t713696255
URI: https://dspace.lboro.ac.uk/2134/3498
ISSN: 0020-7543
1366-588X
Appears in Collections:Published Articles (Mechanical and Manufacturing Engineering)

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