NDLI: A New Procedure to Measure Near Yield Residual Stresses Using the Deep Hole Drilling Technique

Content Provider	Springer Nature Link
Author	Mahmoudi, A. H. Hossain, S. Truman, C. E. Smith, D. J. Pavier, M. J.
Copyright Year	2008
Abstract	Mechanical strain relief techniques for estimating the magnitude of residual stress work by measuring strains or displacements when part of the component is machined away. The underlying assumption is that such strain or displacement changes result from elastic unloading. Unfortunately, in components containing high levels of residual stress, elastic-plastic unloading may well occur, particularly when the residual stresses are highly triaxial. This paper examines the performance of one mechanical strain relief technique particularly suitable for large section components, the deep hole drilling (DHD) technique. The magnitude of error is calculated for different magnitudes of residual stress and can be substantial for residual stress states close to yield. A modification to the technique is described to allow large magnitudes of residual stress to be measured correctly. The new technique is validated using the case of a quenched cylinder where use of the standard DHD technique leads to unacceptable error. The measured residual stresses using the new technique are compared with the results obtained using the neutron diffraction technique and are shown to be in excellent agreement.
Starting Page	595
Ending Page	604
Page Count	10
File Format	PDF
ISSN	00144851
Journal	Experimental Mechanics
Volume Number	49
Issue Number	4
e-ISSN	17412765
Language	English
Publisher	Springer US
Publisher Date	2008-08-01
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Residual stress Finite element analysis Deep hole drilling Plasticity Mechanics Vibration, Dynamical Systems, Control Structural Mechanics Applied Optics, Optoelectronics, Optical Devices Characterization and Evaluation of Materials Continuum Mechanics and Mechanics of Materials
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Mechanical Engineering Aerospace Engineering

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A Procedure to Measure Biaxial Near Yield Residual Stresses Using the Deep Hole Drilling Technique

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