Analysis of residual stresses induced by dry turning of difficult-to-machine materials

Critical issues in machining of difficult-to-cut materials are often associated with short tool-life and poor surface integrity, where the resulting tensile residual stresses on the machined surface significantly affect the component's fatigue life. This study presents the influence of cutting...

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Bibliographic Details
Published inCIRP annals Vol. 57; no. 1; pp. 77 - 80
Main Authors Outeiro, J.C., Pina, J.C., M'Saoubi, R., Pusavec, F., Jawahir, I.S.
Format Journal Article Conference Proceeding
LanguageEnglish
Published Oxford Elsevier Ltd 2008
Elsevier
Subjects
Applied sciences
Exact sciences and technology
Fracture mechanics (crack, fatigue, damage...)
Fundamental areas of phenomenology (including applications)
Machining
Mechanical engineering. Machine design
Modelling
Physics
Residual stresses
Solid mechanics
Structural and continuum mechanics
Modelling
Machining
Residual stresses
Austenitic stainless steel
Nickel base alloys
Fatigue life
Stress analysis
Inconel
Structure integrity
Turning
Coatings
Modeling
Operating conditions
Tool life
Finite element method
Tensile stress
Carbide tool
Residual stress
Surface conditions
Stainless steel-316L
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Summary:Critical issues in machining of difficult-to-cut materials are often associated with short tool-life and poor surface integrity, where the resulting tensile residual stresses on the machined surface significantly affect the component's fatigue life. This study presents the influence of cutting process parameters on machining performance and surface integrity generated during dry turning of Inconel 718 and austenitic stainless steel AISI 316L with coated and uncoated carbide tools. A three-dimensional Finite Element Model was also developed and the predicted results were compared with those measured.
ISSN:0007-8506
DOI:10.1016/j.cirp.2008.03.076