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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
computer science
Characterizing the effect of laser power density on microstructure, microhardness, and surface finish of laser deposited titanium alloy
Journal of Manufacturing Science and Engineering, Volume 135, No. 6, Article 064502, Year 2013
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Description
This paper reports the effect of laser power density on the evolving properties of laser metal deposited titanium alloy. A total of sixteen experiments were performed, and the microstructure, microhardness and surface roughness of the samples were studied using the optical microscope (OP), microhardness indenter and stylus surface analyzer, respectively. The microstructure changed from finer martensitic alpha grain to coarser Widmastätten alpha grain structure as the laser power density was increased. The results show that the higher the laser power density employed, the smoother the obtained surface. The microhardness initially increased as the laser power density was increased and then decreased as the power density was further increased. The result obtained in this study is important for the selection of proper laser power density for the desired microstructure, microhardness and surface finish of part made from Ti6Al4V. Copyright © 2013 by ASME.
Authors & Co-Authors
Mahamood, Rasheedat Modupe
South Africa, Johannesburg
University of Johannesburg
Nigeria, Ilorin
University of Ilorin
Akinlabi, Esther T.
South Africa, Johannesburg
University of Johannesburg
Shukla, Mukul
South Africa, Johannesburg
University of Johannesburg
India, Allahabad
Motilal Nehru National Institute of Technology Allahabad
Pityana, Sisa Lesley
South Africa, Pretoria
The Council for Scientific and Industrial Research
Statistics
Citations: 45
Authors: 4
Affiliations: 4
Identifiers
Doi:
10.1115/1.4025737
ISSN:
10871357
e-ISSN:
15288935