The residual stress distributions caused by the deep cold rolling (DCR) process, with a focus on the distributions at the boundary of the treatment zone, are examined in this study. A three-dimensional finite-element (FE) model, validated with experimental residual stress data, is used to study the effect of the process. The residual stress distribution in the crosswise direction (perpendicular to rolling direction) shows a region of tensile residual stress at the start and end of the track that may be a cause for concern. The reason for this region of tensile stress is likely to be due to the reduced treatment of the start and end zones due to the step over and the tool path taken. Other factors that cause a difference between the steady state and the transient zone of the burnished area are also investigated. It is shown that the net material movement causes larger plastic deformation in the boundary zone between the burnished and unburnished region of DCR.
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November 2016
Research-Article
Effect of Deep Cold Rolling on Residual Stress Distributions Between the Treated and Untreated Regions on Ti–6Al–4V Alloy
Andre Lim,
Andre Lim
Computer Aided Engineering
Lab 1 (N3–B3b–05),
School of Mechanical and
Aerospace Engineering,
Nanyang Technological University,
50 Nanyang Avenue,
Singapore 639798, Singapore;
Lab 1 (N3–B3b–05),
School of Mechanical and
Aerospace Engineering,
Nanyang Technological University,
50 Nanyang Avenue,
Singapore 639798, Singapore;
Advanced Technology Centre,
Rolls-Royce Singapore Pte. Ltd,
Singapore 797575, Singapore
e-mail: lims0200@e.ntu.edu.sg
Rolls-Royce Singapore Pte. Ltd,
Singapore 797575, Singapore
e-mail: lims0200@e.ntu.edu.sg
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Sylvie Castagne,
Sylvie Castagne
School of Mechanical and
Aerospace Engineering,
Nanyang Technological University,
50 Nanyang Avenue,
Singapore 639798, Singapore
e-mail: scastagne@ntu.edu.sg
Aerospace Engineering,
Nanyang Technological University,
50 Nanyang Avenue,
Singapore 639798, Singapore
e-mail: scastagne@ntu.edu.sg
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Chow Cher Wong
Chow Cher Wong
Advanced Technology Centre,
Rolls-Royce Singapore Pte. Ltd,
6 Seletar Aerospace Rise,
Singapore 797575, Singapore
e-mail: chow.wong@rolls-royce.com
Rolls-Royce Singapore Pte. Ltd,
6 Seletar Aerospace Rise,
Singapore 797575, Singapore
e-mail: chow.wong@rolls-royce.com
Search for other works by this author on:
Andre Lim
Computer Aided Engineering
Lab 1 (N3–B3b–05),
School of Mechanical and
Aerospace Engineering,
Nanyang Technological University,
50 Nanyang Avenue,
Singapore 639798, Singapore;
Lab 1 (N3–B3b–05),
School of Mechanical and
Aerospace Engineering,
Nanyang Technological University,
50 Nanyang Avenue,
Singapore 639798, Singapore;
Advanced Technology Centre,
Rolls-Royce Singapore Pte. Ltd,
Singapore 797575, Singapore
e-mail: lims0200@e.ntu.edu.sg
Rolls-Royce Singapore Pte. Ltd,
Singapore 797575, Singapore
e-mail: lims0200@e.ntu.edu.sg
Sylvie Castagne
School of Mechanical and
Aerospace Engineering,
Nanyang Technological University,
50 Nanyang Avenue,
Singapore 639798, Singapore
e-mail: scastagne@ntu.edu.sg
Aerospace Engineering,
Nanyang Technological University,
50 Nanyang Avenue,
Singapore 639798, Singapore
e-mail: scastagne@ntu.edu.sg
Chow Cher Wong
Advanced Technology Centre,
Rolls-Royce Singapore Pte. Ltd,
6 Seletar Aerospace Rise,
Singapore 797575, Singapore
e-mail: chow.wong@rolls-royce.com
Rolls-Royce Singapore Pte. Ltd,
6 Seletar Aerospace Rise,
Singapore 797575, Singapore
e-mail: chow.wong@rolls-royce.com
1Corresponding author.
Manuscript received July 24, 2015; final manuscript received March 3, 2016; published online June 23, 2016. Assoc. Editor: Gracious Ngaile.
J. Manuf. Sci. Eng. Nov 2016, 138(11): 111005 (8 pages)
Published Online: June 23, 2016
Article history
Received:
July 24, 2015
Revised:
March 3, 2016
Citation
Lim, A., Castagne, S., and Cher Wong, C. (June 23, 2016). "Effect of Deep Cold Rolling on Residual Stress Distributions Between the Treated and Untreated Regions on Ti–6Al–4V Alloy." ASME. J. Manuf. Sci. Eng. November 2016; 138(11): 111005. https://doi.org/10.1115/1.4033524
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