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Effect of Tool Wear on Subsurface Deformation of Nickel-based Superalloy
Division of Production and Materials Engineering, Lund university.
Division of Production and Materials Engineering, Lund university.
Linköping University, Department of Management and Engineering, Engineering Materials. Linköping University, The Institute of Technology.
Linköping University, Department of Management and Engineering, Engineering Materials. Linköping University, The Institute of Technology.
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2011 (English)In: Procedia Engineering, ISSN 1877-7058, E-ISSN 1877-7058, Vol. 19, 407-413 p.Article in journal (Refereed) Published
Abstract [en]

Increased demand of energy efficiency for the components used in aerospace and energy industries requires high efficiency and low cost in the production of component made of nickel-based superalloy, such as aged Inconel 718. With use of whisker reinforced ceramic cutting tool in finishing machining process, higher cutting speed and higher production efficiency can be reached accordingly. However, surface integrity of the part produced by this process still needs to be studied due to the high demand of surface quality. The paper analyses the effects of tool wear on subsurface deformation of nickel-based super-alloy in finishing turning. The objective is to understand the nature of subsurface deformation under the influence of tool wear for prediction of the surface integrity in machined components based upon the machining conditions and material behaviours that give rise to them. Machined samples were studied under a Backscattered electron microscope to distinguish the subsurface features produced by the machining. The electron back scatter diffraction (EBSD) was also used to quantify the depth of deformation zones in the subsurface after the machining.

Place, publisher, year, edition, pages
Elsevier, 2011. Vol. 19, 407-413 p.
Keyword [en]
Surface integrity; Wear; Nickel alloy; Machinability; Turning
National Category
Engineering and Technology Materials Engineering
Identifiers
URN: urn:nbn:se:liu:diva-73804DOI: 10.1016/j.proeng.2011.11.133OAI: oai:DiVA.org:liu-73804DiVA: diva2:477658
Available from: 2012-01-13 Created: 2012-01-13 Last updated: 2017-12-08

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