Publications
203 results found
Dye D, Conlon KT, Reed RC, 2004, Characterization and modeling of quenching-induced residual stresses in the nickel-based superalloy IN718, Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, Vol: 35 A, Pages: 1703-1713, ISSN: 1073-5623
The residual stress fields in pieces of quenched IN718 superalloy have been characterized by neutron diffraction. The samples were in the form of cylindrical rods of length sufficient to ensure that steady-state conditions prevail at the midsection. Quenching the samples in air, water, and oil generated various residual stress fields. The interfacial heat-transfer coefficients were estimated using an inverse-modeling technique. The findings were rationalized with an elastic-plastic finite-element model that included temperature-dependent properties. The hoop and axial stresses are the most significant components of the stress field and arise from the plastic deformation occurring at the periphery of the cylindrical sections, the extent of which depends strongly upon the severity of the quench. The model is used to examine the residual stress fields to be expected in a turbine-disc forging of idealized geometry.
Dye D, Conlon KT, Lee PD, et al., 2004, Welding of single crystal superalloy CMSX-4: experiments and modeling, Warrendale, 10th international symposium on superalloys, Champion, PA, 19 - 23 September 2004, Publisher: Minerals, Metals & Materials Soc, Pages: 485-492
Dye D, Roder BA, Tin S, et al., 2004, Modeling and measurement of residual stresses in a forged IN718 superalloy disc, Warrendale, 10th international symposium on superalloys, Champion, PA, 19 - 23 September 2004, Publisher: Minerals, Metals & Materials Soc, Pages: 315-322
Dye D, Conlon KT, Lee PD, et al., 2004, Welding of single crystal superalloy CMSX-4: experiments and modeling, Warrendale, 10th international symposium on superalloys, Champion, PA, 19 - 23 September 2004, Publisher: Minerals, Metals & Materials Soc, Pages: 485-492
Conlon KT, Dye D, Rogge RB, et al., 2003, Application of neutron diffraction in materials science and engineering, Neutron News, Vol: 14, Pages: 14-19, ISSN: 1044-8632
Jensen MVRS, Dye D, James KE, et al., 2002, Residual stresses in a welded superalloy disc: Characterization using synchrotron diffraction and numerical process modeling, METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, Vol: 33, Pages: 2921-2931, ISSN: 1073-5623
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- Citations: 12
Jensen, MVRS, Dye D, et al., 2002, Residual stresses in a welded superalloy disc: characterization using synchrotron diffraction and numerical process modeling, Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science, Vol: 33, Pages: 2921-2932, ISSN: 1073-5623
Cho JR, Dye D, Conlon KT, et al., 2002, Intergranular strain accumulation in a near-alpha titanium alloy during plastic deformation, Acta Materialia, Vol: 50, Pages: 4847-4864, ISSN: 1359-6454
Dye D, Conlon KT, Reed RC, et al., 2002, Diffraction strain measurements for the characterization of residual stresses in welds for gas turbine applications, Trends in welding research, Publisher: ASM International, Pages: 878-885
Dye D, Roberts SM, Korunsky AM, et al., 2002, Application of low stress low distortion welding to the gas tungsten arc welding of wrought nickel-base alloy C263, London, Mathematical modelling of weld phenomena 6: proceedings of the 6th international seminar on the numerical analysis of weldability, Austria, October 2001, Publisher: Maney, Pages: 751-768
Dye D, Hunziker O, Roberts SM, et al., 2001, Modeling of the mechanical effects induced by the tungsten inert-gas welding of the IN718 superalloy, METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, Vol: 32, Pages: 1713-1725, ISSN: 1073-5623
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- Citations: 51
Dye D, Hunziker O, Reed RC, 2001, Numerical analysis of the weldability of superalloys, ACTA MATERIALIA, Vol: 49, Pages: 683-697, ISSN: 1359-6454
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- Citations: 82
Hunziker O, Dye D, Roberts SM, et al., 2001, A coupled approach for the prediction of solidification cracking during the welding of superalloys, London, Numerical analysis of weldability; Mathematical modelling of weld phenomena 5, Publisher: IOM Communications, Pages: 299-320
Dye D, Hunziker O, Roberts SM, et al., 2001, Modeling of the mechanical effects induced by the tungsten inert-gas welding of the IN718 superalloy, Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science, Vol: 32, Pages: 1713-1726, ISSN: 1073-5623
Dye D, Stone HJ, Reed RC, 2001, A two phase elastic-plastic self-consistent model for the accumulation of microstrains in Waspaloy, Acta Materialia, Vol: 49, Pages: 1271-1283, ISSN: 1359-6454
Dye D, Stone HJ, Reed RC, 2001, Intergranular and interphase microstresses, Current Opinion in Solid State and Materials Science, Vol: 5, Pages: 31-37, ISSN: 1359-0286
Hunziker O, Dye D, Reed RC, 2000, On the formation of a centreline grain boundary during fusion welding, ACTA MATERIALIA, Vol: 48, Pages: 4191-4201, ISSN: 1359-6454
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- Citations: 40
Dye D, Roberts SM, Withers PJ, et al., 2000, The determination of the residual strains and stresses in a tungsten inert gas welded sheet of IN718 superalloy using neutron diffraction, JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN, Vol: 35, Pages: 247-259, ISSN: 0309-3247
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- Citations: 23
Reed RC, Stone HJ, Dye D, et al., 2000, Process modeling of electron beam welding of aeroengine components, USA
Dye D, Roberts SM, Withers PJ, et al., 2000, The determination of the residual strains and stresses in a TIG-welded sheet of IN718 superalloy using neutron diffraction, Journal of Strain Analysis, Vol: 53, Pages: 247-259
Dye D, Roberts SM, Reed RC, 2000, The validation of models for the TIG welding of nickel-base superalloys by neutron diffraction, London
Roberts SM, Dye D, Hunziker O, et al., 1999, The development of a process model for the weldability of nickel-base superalloys for gas turbine applications, Edinburgh
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