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Influence of high pressure water-jet assisted turning on surface residual stresses on Ti-6AL-4V alloy by measurement and finite element simulation
Sandvik Materials Technology.
Luleå tekniska universitet.
2004 (English)In: Surface Engineering - Proceedings of the 3rd International Surface Engineering Conference, 2004, p. 107-113Conference paper, Published paper (Refereed)
Abstract [en]

Residual stresses from the machining process can cause severe failure due to fatigue and stress corrosion. The depth profile of residual stress was measured for high-pressure water-jet assisted machining of Ti-6Al-4V alloy using x-ray diffraction. As comparison, the depth profile of residual stress was also measured for the conventional machined work-piece. The finite element simulation, using the updated Lagrangian formulation was also used to study the dynamic transient process. It was found that the residual stress was a function of machining parameters, such as cutting speed, feed force, depth of cut and particularly the high-pressure jet increases the amount of residual compression stresses in both cutting and feed directions. It is shown that the high-pressure water-jet assisted machining of titanium alloys is beneficial. It reduces shear forces in the secondary cutting zone along the tool/chip interface, reduces the cutting force and introduces compressive residual stress in the finished work-piece.

Place, publisher, year, edition, pages
2004. p. 107-113
National Category
Manufacturing, Surface and Joining Technology Other Mechanical Engineering
Research subject
Manufacturing Systems Engineering; Computer Aided Design
Identifiers
URN: urn:nbn:se:ltu:diva-28103Local ID: 1c3eeed0-f3dd-11db-ac9f-000ea68e967bOAI: oai:DiVA.org:ltu-28103DiVA, id: diva2:1001297
Conference
International Surface Engineering Conference : 02/08/2004 - 04/08/2004
Note
Godkänd; 2004; 20070426 (cira)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Vosough, ManouchehrKalhori, Vahid

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CiteExportLink to record
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Citation style
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  • Other locale
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