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Microstructural and surface texture analysis due to machining in Super Austenitic Stainless Steel

Alabdullah, Mohanad, Polishetty, A. and Littlefair, G. 2016, Microstructural and surface texture analysis due to machining in Super Austenitic Stainless Steel, Journal of metallurgy, vol. 2016, Article number : 3685312, pp. 1-8, doi: 10.1155/2016/3685312.

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Title Microstructural and surface texture analysis due to machining in Super Austenitic Stainless Steel
Author(s) Alabdullah, MohanadORCID iD for Alabdullah, Mohanad orcid.org/0000-0003-3214-8926
Polishetty, A.ORCID iD for Polishetty, A. orcid.org/0000-0002-8572-6024
Littlefair, G.
Journal name Journal of metallurgy
Volume number 2016
Season Article number : 3685312
Start page 1
End page 8
Total pages 8
Publisher Hindawi Publishing Corporation
Place of publication Cairo, Egypt
Publication date 2016
ISSN 1687-9465
Keyword(s) Microstructural
Machinability
Super Austenitic Stainless Steel
Surface Texture
Distortions
Summary Inferior surface quality is a significant problem faced by machinist. The purpose of this study is to present a surface texture analysis undertaken as part of machinability assessment of Super Austenitic Stainless Steel alloy-AL6XN. The surface texture analysis includes measuring the surface roughness and investigating the microstructural behaviour of the machined surfaces. Eight milling trials were conducted using combination of cutting parameters under wet machining. An optical profilometer (non-contact), was used to evaluate the surface texture at three positions. The surface texture was represented using the parameter, average surface roughness. Scanning Electron Microscope was utilised to inspect the machined surface microstructure and co relate with the surface roughness results. Results showed that maximum roughness values recorded at the three positions in the longitudinal direction (perpendicular to the machining grooves) were 1.21 μm (trial 1), 1.63 μm (trial 6) and 1.68 μm (trial 7) respectively whereas the roughness values were greatly reduced in the lateral direction. Also, results showed that the feed rate parameter significantly influences the roughness values compared to the other cutting parameters. The microstructure of the machined surfaces was distorted by the existence of cracks, deformed edges and bands and wear deposition due to machining process.
Language eng
DOI 10.1155/2016/3685312
Field of Research 091004 Machining
091006 Manufacturing Processes and Technologies (excl Textiles)
Socio Economic Objective 861202 Machined Metal Products
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30086023

Document type: Journal Article
Collections: School of Engineering
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.