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    Abstract
2017 (Vol. 14, Issue: 2)
Research Article

Evaluation of Residual Stresses Induced by Face Milling Using a Method of Micro-indents

1F.V. Diaz, 1C.A. Mammana and 2A.P.M. Guidobono
1Departamento de Ingeniería Electromecánica-Departamento de Ingeniería Industrial, Facultad Regional Rafaela, Universidad Tecnológica Nacional, Acuña 49, 2300 Rafaela, Argentina
2División Metrología Dimensional, Centro Regional Rosario (INTI), Ocampo y Esmeralda, 2000 Rosario, Argentina
 

DOI: 10.19026/rjaset.14.3993
Submitted Accepted Published
October 31, 2016 December 30, 2016 February 15, 2017

  How to Cite this Article:

1F.V. Diaz, 1C.A. Mammana and 2A.P.M. Guidobono, 2017. Evaluation of Residual Stresses Induced by Face Milling Using a Method of Micro-indents.  Research Journal of Applied Sciences, Engineering and Technology, 14(2): 80-85.

DOI: 10.19026/rjaset.14.3993

URL: http://www.maxwellsci.com/jp/mspabstract.php?jid=RJASET&doi=rjaset.14.3993

Abstract:


The aim of this study is to determine and evaluate residual stresses induced by face milling in different zones, which are associated with asymmetries in orientation of cutting edge. In this study, a micro-indent method is used to determine these stresses, which were induced in samples of AA 7075-T6 aluminum alloy. The residual displacements were measured, with high accuracy, using a universal measuring machine. This study includes a thorough data analysis using Mohr's circles, which enabled to assess the stress states in all in-plane directions. The results obtained in samples subjected to different combinations of process parameters showed the introduction of compressive normal components for all directions of each zone evaluated. From the high sensitivity of the micro-indent method used, it was possible to detect smaller differences generated between the levels reaching the stress components in the cutting zones evaluated. Furthermore, these differences were similar for all evaluated directions when the highest feed rate was selected. This significant fact, finally, would reveal equivalent differences between asymmetrical zones, regarding the combination of local plastic deformation and heat reaching the milled surface, for all in-plane directions.

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    Competing interests

The authors have no competing interests.
    Open Access Policy

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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© The Author(s) 2017

ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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