Journal
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE
Volume 217, Issue 12, Pages 1651-1663Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1243/095440503772680587
Keywords
selective laser sintering; high-speed steel; rapid manufacturing
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This paper reports the results of an investigation into the selective laser sintering of a prealloyed high-speed steel powder. The structured development of processing conditions for single fines, single layers and multiple layers of material is reported, as are the flexural modulus and strength of the single- and multiple-layer components. Infiltration with bronze was used to improve the mechanical properties of the components and it is concluded that selective laser sintering of high-speed steel allied to bronze infiltration can produce material with the mechanical properties to allow for use in load-bearing applications, but that further work is required to improve the density, mechanical properties and build rate if selective laser sintering is to develop as a general manufacturing process for hard metals.
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