Machining of coarse grained and ultra fine grained titanium

Lapovok, R., Molotnikov, A., Levin, Y., Bandaranayake, A. and Estrin, Y. 2012, Machining of coarse grained and ultra fine grained titanium, Journal of materials science, vol. 47, no. 11, pp. 4589-4594, doi: 10.1007/s10853-012-6320-7.

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Title Machining of coarse grained and ultra fine grained titanium
Author(s) Lapovok, R.
Molotnikov, A.
Levin, Y.
Bandaranayake, A.
Estrin, Y.
Journal name Journal of materials science
Volume number 47
Issue number 11
Start page 4589
End page 4594
Total pages 6
Publisher Springer
Place of publication Berlin, Germany
Publication date 2012-06
ISSN 0022-2461
Keyword(s) titanium
UFG titanium
Summary Machining of titanium is quite difficult and expensive. Heat generated in the process of cutting does not dissipate quickly, which affects tool life. In the last decade ultra fine grained (UFG) titanium has emerged as an option for substitution for more expensive titanium alloys. Extreme grain refinement can be readily performed by severe plastic deformation techniques. Grain refinement of a material achieved in this way was shown to change its mechanical and physical properties. In the present study, the microstructure evolution and the shear band formation in chips of coarse grained and UFG titanium machined to three different depths and three different feeding rates was investigated. A change in thermal characteristics of commercial purity Ti with grain refinement was studied by comparing heating/cooling measurements with an analytical solution of the heat transfer boundary problem. It was demonstrated that an improvement in the machinability can be expected for UFG titanium. © 2012 Springer Science+Business Media, LLC.
Language eng
DOI 10.1007/s10853-012-6320-7
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2012, Springer Science+Business Media, LLC
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Document type: Journal Article
Collection: Institute for Frontier Materials
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