T

Terry Evans B.Sc. Ph.D.

Emeritus Professor of Engineering Materials
School of Mechanical and Systems Engineering
University of Newcastle upon Tyne
e-mail J.T.Evans@ncl.ac.uk
Tel: (0191)222 7911

Research Interests

Materials: High Strength Steels, Soft Magnetic Composites, Aluminium Alloys, Polymer Composites
Phenomena: Fatigue and Fracture, Creep, Barkhausen Noise, Acoustic Emission
Applications: Pressure Vessels, Line pipe, Gears, Residual Stress, Non-destructive Testing, Modelling

Four Recent Publications

J.T. Evans and A.G. Gibson, Composite Angle Ply Laminates and Netting Analysis, Proc. R. Soc. Lond. A 458, 3079-3088 (2002).

A.M. Korsunsky and J.T. Evans, Analysis of Cohesive Zones and Cracks in Slip Bands using Hypersingular Interpolative Quadratures, Int. J. Fracture , 104, L38-L42 (2000)

T.R. Hyde, J.T. Evans and B.A.Shaw, Effect of Stress and Heat Treatment on Magnetic Barkhausen Emission in Case-Carburized Steels, American Society for Non-Destructive Testing, Materials Evaluation, 58(8) 985-990 (2000)

G. Kotsikos, J.T. Evans, A.G. Gibson and J. Hale, Environmentally Enhanced Fatigue Damage in Glass Fibre Reinforced Composites Characterized by Acoustic Emission, Composites A, 31, 969-967 (2000).

Publications since 1996

Journals

Y. Calik, J.T. Evans and B.A. Shaw, Residual Shear Stress Near Ground Surfaces; Scripta mater. 34, 1101-1106 (1996).

P.S. James, H.W. Chandler, J.T. Evans, J.Wen, D. J. Browne and C.J. Newton, The Effect of Mechanical Loading on the Contact Resistance of Coated Aluminium; Materials Science and Engineering, A230, 194-201 (1997).

M.C. Thornton, C.J. Newton, B.F.P. Keay, P.G. Sheasby and J.T. Evans, Some Surface Factors that Affect the Spot Welding of Aluminium; Trans. Inst. Metal Finishing, 75(4), 165-170 (1997).

E. Crinon and J.T. Evans, The Effect of Surface Roughness, Oxide Film Thickness and Interfacial Sliding on the Electrical Contact Resistance of Aluminium; Mater. Sci and Engng. A242, 121-128 (1998)

R.N. Wake, J.S. Burdess and J.T. Evans, Changes in the Natural Frequencies of Repeated Mode Pairs Induced by Cracks in a Vibrating Ring. J. Sound and Vibration, 214, 761-770 (1998)

S.J. Bull, J.T. Evans, B.A. Shaw and D.A. Hofmann, The Effect of the White Layer on Micro-Pitting and Surface Contact Fatigue Failure of Nitrided Gears, Proc. Inst. Mech. Engrs. Part J, 213, 305-313 (1999).

G. Kotsikos, J.T. Evans, A.G. Gibson and J. Hale, Use of Acoustic Emission to Characterize Corrosion Fatigue Damage Accumulation in Glass Fibre Reinforced Polyester Laminates, Polymer Composites , 20, 689-696 (1999).

R.N Wake and J.T. Evans, The Effect of Cracks on the Natural Frequencies of Axi-symmetric Vibration Modes of Gas Cylinders, Enging. Fracture Mech. 64, 177-191 (1999).

T.R. Hyde, J.T. Evans and B.A.Shaw, Effect of Stress and Heat Treatment on Magnetic Barkhausen Emission in Case-Carburized Steels, American Society for Non-Destructive Testing, Materials Evaluation, 58(8) 985-990 (2000).

A.M. Korsunsky and J.T. Evans, Analysis of Cohesive Zones and Cracks in Slip Bands using Hypersingular Interpolative Quadratures, Int. J. Fracture , 104, L37-L42 (2000).

G. Kotsikos, J.T. Evans, J.M. Hale and A.G. Gibsom, Evaluation of the Effects of Pre-exposure in Marine Environments of Structural Glass Reinforced Composites by Acoustic Emission Testing, American Society for Non-Destructive Testing, Materials Evaluation , 58(11), 1320-1325 (2000).

G. Kotsikos, J.T. Evans, A.G. Gibson and J. Hale, Environmentally Enhanced Fatigue Damage in Glass Fibre Reinforced Composites Characterised by Acoustic Emission, Composites A, 31, 969-967 (2000).

I.P. Gilbert, V. Moorthy, S.J. Bull, J.T. Evans and A.G. Jack, Development of Soft Magnetic Composites for Low-Loss Applications, J. Magnetism and Magnetic Materials, 242-245, 232-234 (2002).

V. Moorthy , B.A. Shaw, J.T. Evans, Effect Of Magnetizing and Analysing Frequency On Magnetic Barkhausen Noise, IEEE Transactions on Magnetics , to be published.

V. Moorthy, B.A. Shaw, J.T. Evans, Evaluation of Tempering Induced Changes in the Hardness Profile of Case-Carburised En36 Steel Using Magnetic Barkhausen Noise Analysis,

J.T. Evans and A.G. Gibson, Composite Angle Ply Laminates and Netting Analysis, Proc. Roy. Soc. Lond. A 458, 3079-3088 (2002).

J.S. Robinson, R.L. Cudd and J.T. Evans, Creep Resistant Aluminium Alloys and their Applications, Mater. Sci. and Technology, 19, 143-155 (2003).

Conferences

B.A. Shaw, J.T. Evans and D.E. Yates, The Influence of Grinding on the Formation of Residual Stress Distributions in Ground Surfaces, Drives and Controls Conference, Telford 5-7th March 1996 Kamtech Publishing 1996.

J.T. Evans, Deformation in Ideal Fibre-Reinforced Materials and Sandwich Beams, Seventh European Conference on Composite Materials, 14-16th May 1966, Woodhead Publishing Ltd. 1996.

R.N. Wake, J.T. Evans, J.S. Burdess and H.W. Chandler, A Modal Approach to Assurance of Structural Integrity in Smart Structures and Materials 1996: Smart Structures and Integrated Systems, Inderjit Chopra Editor, Proc. SPIE 2717, pp 311-318.

M.C. Thornton, C.J. Newton, B.F.P. Keay and J.T. Evans, Spot Welding of Aluminium Sheet: A Statistical Approach to Measuring the Influence of Different Surfaces, International Body Engineering Conference, Detroit, Oct 1st-3rd 1996, Advanced Technology and Processes v. 25 (1996) pp. 58-66.

J.T. Evans and B.A. Shaw, Residual Stresses in Gears, Seminar on Materials Research for Gearing, Sheffield 5th June 1996, British Gear Association, Burton on Trent 1996.

J.T. Evans and B.A. Shaw Nucleation of Fatigue in Gear Materials, Seminar on Materials Research for Gearing, Sheffield 5th June 1996, British Gear Association, Burton on Trent 1996.

B.A. Shaw and J.T. Evans, Residual Stress and Grinding Damage, Seminar on Materials Research for Gearing, Sheffield 5th June 1996, British Gear Association, Burton on Trent 1996.

B.A. Shaw and J.T. Evans, Micro-pits Under the Microscope, British Gear Association Annual Conference 1997.

B.J. Chapman, J.T. Evans, S.R. Frost and A.G. Gibson, The Short Term Mechanical Characterisation of Continuous Fibre Reinforced Thermoplastic Pipes, Ninth International Conference on Fibre Reinforced Composites, Manchester 1997.

B.J. Chapman, J.T. Evans, S.R. Frost and A.G. Gibson, Mechanical Testing of Continuous Fibre, Reinforced Thermoplastic Pipes, Gold Coast, Australia 1997.

B.A. Shaw and J.T. Evans and A.S. Wojtas, L. Sumienen, Grinding Process Control Using the Magnetic Barkhausen Noise Method., Third International Workshop on Electromagnetic Non-Destructive Evaluation Sept 14-16, Reggio Calabria, Italy 1997, IOS Press in the Series ‘Studies in Applied Electromagnetics and Mechanics’.

B.A. Shaw, A.M. Korsunsky and J.T. Evans, Surface Treatment and Residual Stress Effects on the Fatigue Strength of Carburized Gears, Procedings of the 12th Biennial Conference on Fracture, ECF 12, (Eds. M.W. Brown, E.R. de los Rios and K.J. Miller), Sheffield 14-18th September 1998, EMAS Publishing.

B.J. Chapman, J.T. Evans, S.R.Frost and A.G. Gibson, Reinforced Thermoplastic Pipework for Applications in the Petrochemical Industry, FRC ’98, Seventh international conference on Fibre-reinforced Composites, University of Newcastle upon Tyne15-17th April 1998. Ed. A.G Gibson, pp.35-40, Woodhead Publishing Cambridge 1998.

G. Kotsikos, J. Hale, J.T. Evans and A.G. Gibson, Acoustic Emission Testing of GRP Composites Progressively Damaged by Fatigue and Environmental Exposure, Sixth International Conference on Acoustic Emission from Composite Materials, June 1-4, 1998, San Antonio, pp.231-237, The American Society For Non-Destructive Testing, Columbus OH, 1998.

R.N. Wake and J.T. Evans, The Effect of Cracks on the Natural Frequencies of Axi-symmetric Vibration Modes of Gas Cylinders, Proceedings of the Thirteenth UK Abaqus User Group Conference, Chester, 9-10th Sept. 1998.

G. Kotsikos, S.D. Speake, J.T. Evans, A.G. Gibson and J.M. Hale, Environmental Damage in Glass Fibre Reinforced Composites Using 4-point Flexure Accompanied by Acoustic Emission Measurements, 5th International Conference, Deformation and Fracture of Composites, 18-19th March 1999, Institution of Mechanical Engineers, London, published by IOM Communications Ltd. pp 81-89.

B.C. Mecrow, A.G. Jack, D. Stephenson, P.G. Dickinson, J.S. Burdess, J.N. Fawcett and J.T. Evans, Permanent Magnet Machines with Powdered Iron Cores and Pre-Compacted Windings, presented at the 34th Annual Conference of the Institute of Electrical and Electron Engineers, Inc, Phoenix, Arizona, 1999. (Awarded first prize by the Electric Machines Committee).

J.S ROBINSON, J.T. EVANS and J. LAMMAS, "Application of the q projection concept to Hiduminium RR58 data," Proceedings of the 9th International Creep and Fracture of Engineering Materials and Structures Conference, 1-4 April 2001, University of Wales, Swansea, UK, (2001), 251-260.

J.T. EVANS, J.S. ROBINSON and R.L. CUDD, "Primary Creep in Precipitation Hardened Alloy Hiduninium-RR.58", in Creep Deformation: Fundamentals and Applications, Eds. Rajiv S. Mishra, James C. Earthman and Sai V. Raj. TMS 2002.

Patents

1. Backward Extrusion Method and Product, N.J.H. Holroyd, J.T. Evans and R.A.Cudney, European Patent Specification EP 0 785 830 B1, 1999.

2. Backward Extrusion Method and Product, N.J.H. Holroyd, J.T. Evans and R.A.Cudney, International Patent Application, WO 96/11757, April 1996.

3. Electrical Machine, A.G. Jack, B. Mecrow, D. Stephenson, P.Dickenson, J.S.Burdess,J.T. Evans, J.N. Fawcett, with HÖGENÄS, Sweden, Ref. HB-576 Separate Parts. European Patent Application 99 01745-1 July 1999.