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High-pressure water-jet-assisted machining of Ti555-3 titanium alloy: investigation of tool wear mechanisms

Type
Articles dans des revues avec comité de lecture
Auteur
AYED, Yessine
211916 Laboratoire Angevin de Mécanique, Procédés et InnovAtion [LAMPA]
GERMAIN, Guénaël
211916 Laboratoire Angevin de Mécanique, Procédés et InnovAtion [LAMPA]

URI
http://hdl.handle.net/10985/16577
DOI
10.1007/s00170-018-1661-2
Date
2018
Journal
The International Journal of Advanced Manufacturing Technology

Résumé

The main objective of this study is to investigate uncoated tungsten carbide tool wear mechanisms for high-pressure waterjet machining of the Ti555-3 titanium alloy. A comparative study has been undertaken (i.e. conventional versus assisted machining) based on numerous experimental tests. These tests have been accompanied by the measurement of the cutting forces and flank wear. It is concluded that the high-pressure water-jet assistance can greatly increase tool life compared to conventional machining, for all cutting conditions. The gain in tool life depends on the severity of the cutting condition. The analyses performed for each test (i.e. SEM, EDS and 3D profilometer) made it possible to monitor the tool wear and to investigate the main wear mechanisms. Based on these analyses, adhesion wear appears to be the most influential mechanism and it is accelerated by an increase in water-jet pressure. Monitoring of the wear profile made it possible to study the evolution of crater wear and material chipping during machining.

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LAMPA_IJAMT_2018_AYED.pdf
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Documents liés

Visualiser des documents liés par titre, auteur, créateur et sujet.

  • Development of a numerical model for the understanding of the chip formation in high-pressure water-jet assisted machining 
    AYED, Yessine; ROBERT, Camille; GERMAIN, Guénaël; AMMAR, Amine (Elsevier, 2016)
    The aim of this study is to develop a new numerical cutting model that includes fluid structure interaction and to take into account heat transfer between the water-jet, the workpiece and the chip. This has been achieved ...
  • Experimental Study of tool Wear Mechanisms in Conventional and High Pressure Coolant Assisted Machining of Titanium Alloy Ti17 
    AYED, Yessine; GERMAIN, Guénaël; AMMAR, Amine; FURET, Benoit (Trans Tech Publications Ltd, 2013)
    Titanium alloys are known for their excellent mechanical properties, especially at high temperature. But this specificity of titanium alloys can cause high cutting forces as well as a significant release of heat that may ...
  • Numerical analysis of constitutive coefficients effects on FE simulation of the 2D orthogonal cutting process: application to the Ti6Al4V 
    YAICH, Mariem; AYED, Yessine; BOUAZIZ, Zoubeir; GERMAIN, Guénaël (Springer, 2016)
    In this paper, a deep study of constitutive parameters definition effect is done in order to guarantee sufficient reliability of the finite element machining modeling. The case of a particular biphasic titanium alloy Ti6Al4V ...
  • Thermo-mechanical characterization of the Ti17 titanium alloy under extreme loading conditions 
    AYED, Yessine; GERMAIN, Guénaël; AMMAR, Amine; FURET, Benoit (Springer, 2016)
    Understanding the physics of chip formation in machining operations is often difficult due to the complexity of the phenomena involved, such as the extreme and complex loading conditions that occur in the cutting zone. In ...
  • Effect of supply conditions of liquid nitrogen on the cryogenic assisted machining of the Ti64 Titanium alloy 
    AYED, Yessine; GERMAIN, Guénaël; PUBILL MELSIO, Anna-Maria; KOWALEWSKI, Pierre (2016)
    This study focuses on the optimization of the machining assisted by cryogenic cooling. The main objective is to analyze the effect of the pressure and the flow of liquid nitrogen on tool life when machining titanium alloy ...

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