ISSN:
1662-9752
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
In this study, the results of the feasibility of sintering green compacts of metallicpowder of MoSi2 by a CO2 laser beam as the heating source has been investigated. The mainadvantage of this technique is to promote a dense material in a reduced time when comparedto the conventional sintering process. In order to sintering the MoSi2 powder, green compactsof 6mm of diameter and 1.6mm thickness were produced in a steel die in a uniaxial press at100MPa and after, isostatic pressed at 350MPa. The micrograph of the samples exposed to thelaser radiation performed by scanning electron microcopy (SEM) reveal the efficiency of thesintering process and the X-ray diffraction of the powders confirmed the presence of singlephase after and before laser processing. The average microhardness of these compacts reachednear to 700 Hv0.2 in the cross section to the laser irradiation, indicating the all sintering of thegreen compact
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/14/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.530-531.364.pdf
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