Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 804, Issue -, Pages 84-92Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2019.06.358
Keywords
PCM; Co-Cr L605; Metallurgical aspects; Surface roughness; Depth of etch
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Funding
- Ministry of Human Resources Development of India
- TEQIP II programme
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This paper presents the study of surface integrity of Co-Cr alloy in Photochemical machining (PCM). The surfaces were selected from different manufacturing processes such as forged, machined and, rolled. The responses such as surface roughness (Ra) and depth of etch were studied in correlation with PCM process parameters like etching temperature for a constant time and concentration. Further, characterization techniques viz. XRD, EBSD, hardness test and SEM were employed to evaluate residual stresses, grain size, grain orientation, hardness, local intergranular misorientation, and surface topography of the Co-Cr L605 alloy. These metallurgical parameters were corroborated with experimental results. The order of Ra and depth of etch for three conditions are: forged > machined > rolled. (C) 2019 Elsevier B.V. All rights reserved.
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