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Current
Research Projects Selected
Publications Current Vacancies |
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STRUCTURAL
INTEGRITY RESEARCH |
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Fatigue of
welded joints Fatigue design Residual
stresses and their influence Synchrotron and
neutron strain scanning Multi-parameter
fracture mechanics characterisation of crack tip stress fields Crack tip
shielding - modelling, photoelastic and Digital Image Correlation Fatigue of
materials Small fatigue
cracks Variable
amplitude load interactions Finite element
analysis Failure
analysis and fractography
Design and
rapid prototyping Process parameter
optimisation for Friction Stir Welding
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The University
of Plymouth is well equipped for research in Advanced Materials & Engineering Systems
(AMES).
In the 2008 Research Assessment Exercise 100% of its research was assessed as
nationally recognised, while 80% of its research was internationally
excellent or internationally recognised. Facilities include: Computer-controlled
Instron screw driven general purpose testing machines with capacities from 5
kN to 100 kN. Computer-controlled
Instron servohydraulic testing machine with 100 kN
capacity, 1500 degree C furnace, high temperature extensometer suitable for
ceramic and hardmetal specimens. Instron
electromagnetic resonant frequency testing machine of 100 kN capacity. Avery rotating
bend/torsion fatigue testing machines and an Avery tensile fatigue testing
machine, suitable for S-N testing. FESEM and TEM with full analytical (EDS, WD
and EBSD) and image analysis capability. Confocal laser
scanning and other optical microscopes. Reflection and
transmission photoelastic stress analysis equipment. Residual stress
measurement via hole drilling techniques and synchrotron/neutron radiation. Metallography
and microstructure suite. Suite of 3D
rapid prototyping machines, laser cutter.
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Vacancies
exist for fully-self funded PhD students.
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Further information
regarding publications and research can be found on the AMES web pages. PhD Projects Processing-performance
relationships for fibre-reinforced composites: 2011. Collaborative with Dr John Summerscales Investigator: : Amjed Mahmood Degradation mechanisms for composites in a marine environment under
stress: 2011.
Collaborative with Dr Stephen Grove, ACMC.
. Investigator: Daniel Okanigbe Multi-parameter
fracture mechanics modelling of crack tip stress fields:
2008-2010. Collaborative with Professor Eann
Patterson, Michigan State University/University of Liverpool. Investigator: Yanwei Lu – PhD awarded 2011. Optimisation
of shot peening for 12Cr steel steam turbine blades:
2007-2011. Supported by ESKOM, South Africa. Investigator: Mark Newby Enhancing the fatigue strength of welded joints in higher strength steels: 2002-2005. Corus Research, Development & Technology, Rotherham - £18,000 CASE award over 3 years. Investigator: Sii-Pin Ting Influence of
process conditions on dynamic performance and defects in friction stir
welds: 2003-2006.
Funded by HEFCE QR and
the NRF, South Africa. Collaborative with Professor D Hattingh,
Department of Mechanical Engineering, Nelson Mandela Metropolitan University,
South Africa. Investigator: Hannelie
Lombard – PhD awarded 2007. Fatigue Performance of Welded Joints in 5383 Aluminium
alloy: 1999-2002. Funded by CORUS Research, Development
& Technology, IJmuiden and Rotherham Investigator: Gareth Bradley – PhD awarded
2003. Effect of Forming Processes on Fatigue Life of the Centre Disc of an
Automotive Wheel: 1998-2000. Funded by the National Research
Foundation of South Africa and supported by Guestro
Wheels. Research project in the Department of Mechanical Engineering at
the Port Elizabeth Technikon, South Africa. Investigator: Pat McGrath – PhD awarded 2001. Synchrotron and Neutron Diffraction
Experiments 2001 Experiment ME 197: Residual stress field in friction stir welded marine
grade aluminium alloy - European Synchrotron Radiation Facility, Grenoble, Beam line BM 16, allocation of 24
by 8 hour synchrotron beam shifts, accommodation and travel expenses (CCLRC facility costs for this experiment were £68,619). 2001 Experiment ME 282: Residual stress field under fatigue loading in MIG welded marine grade aluminium alloy - European
Synchrotron Radiation Facility,
Grenoble, Beam line BM 16, allocation of 24 by 8 hour synchrotron beam
shifts, accommodation and travel expenses (CCLRC facility
costs for this experiment were £75,668). 2001-2002 Project 37131: Direct analysis of the stresses around a crack under the
influence of a plastic enclave around tip and wake - UK Synchrotron
Radiation Source, CCLRC Daresbury,
Station 16.3 - allocation of 10 days of beamtime,
accommodation, travel and consumables (CCLRC
facility costs for this experiment were £82,510). 2003 Experiment ME 748: Residual stresses
in shot peened alloys and their incorporation into advanced life prediction -
European Synchrotron Radiation
Facility, Grenoble, Beam line ID 31, allocation of 27 by 8 hour synchrotron
beam shifts, accommodation and travel expenses (CCLRC facility
costs for this experiment were £ 80,060). 2004 Experiment ME 992: Process performance optimisation for friction stir welds
using the force footprint and strain scanning - European Synchrotron
Radiation Facility, Grenoble, Beam line ID 31, allocation of 30 by 8 hour
synchrotron beam shifts, accommodation and travel expenses (CCLRC facility
costs for this experiment were £92,625). 2005 Experiment 7-01-167: Residual strains in thick higher strength steel weld using
SALSA - Institut Laue-Langevin, Grenoble, SALSA
strain imaging beamline, allocation of 4 days of neutron beam time,
accommodation and travel expenses (CCLRC facility
costs for this experiment were £96,103). 2006 Experiment 7-01-196: Improving fatigue performance of higher strength steel
welds – Institut Laue-Langevin, Grenoble, SALSA
strain imaging beamline, allocation of 4 days of beam time, accommodation and
travel expenses (CCLRC facility costs for this
experiment were £96,103). 2007 Experiment 1-01-8: Optimising residual stresses in friction taper stud welds
in creep resistance steel 10CrMo910 - Institut
Laue-Langevin, Grenoble, SALSA strain imaging beamline, allocation of 5 days
of beam time, accommodation and travel expenses (CCLRC
facility costs for this experiment were £85,606). 2007 Experiment MA-326: Synchrotron
diffraction investigation of residual stresses in 12Cr steel used in
stationary steam turbine blades and their modification by shot peening and
fatigue cycling - European Synchrotron Radiation Facility, Grenoble,
Beamline ID 31, allocation of 12 by 8 hour synchrotron beam shifts,
accommodation and travel expenses (CCLRC facility
costs for this experiment were £40,587). 2008 Experiment 1-01-58: Characterisation of pre- and post-weld heat treatment on residual stresses in friction taper stud
welds in 10CrMo910 steel - Institut Laue-Langevin,
Grenoble, SALSA strain imaging beamline, allocation of 4 days of beam time,
accommodation and travel expenses. 2008 Experiment 1-01-73: Neutron diffraction investigation of residual stresses in
304L Residual stresses in austenitic stainless steel: comparison of weld
techniques - Institut Laue-Langevin, Grenoble, , SALSA strain imaging beamline, allocation of 4 days of
beam time, accommodation and travel expenses. 2009 Experiment RB910338: Characterisation of induction
heat treatment effects on residual stress in friction taper stud welds –
Rutherford Appleton Laboratories, ISIS beamline, allocation of 3 days of beam time,
accommodation and expenses. 2009 Experiment 1-02-31: Neutron diffraction investigation of residual stresses in
nickel-based austenitic weldments on creep resistant Cr-Mo-V material - Institut Laue-Langevin, Grenoble, SALSA strain imaging
beamline, allocation of 5 days of beam time, accommodation and travel
expenses. 2010 Experiment 1-02-44: Measurement and modelling of residual stresses at
dissimilar welds in reactor steels - Institut
Laue-Langevin, Grenoble, SALSA strain imaging beamline, allocation of 5 days
of beam time, accommodation and travel expenses. 2011 Experiment 1-02-83: Refurbishment of
26NiCrMoV145 steam turbine components by friction taper stud welding - Institut Laue-Langevin, Grenoble, SALSA strain imaging
beamline, allocation of 5 days of beam time, accommodation and travel
expenses. Research Grants and
Contracts 2005-2006 Exploitation and development of the joint support facility for
materials engineering at the ILL-ESRF as a UK collaborative research group: EPSRC - £467,460, Grant EP/C008847/1; ILL-ESRF -
€200,000. 2004 Performance of galvanised high performance
steels for the construction market: International Lead Zinc Research Organisation ILZRO, North Carolina, USA - $24,400. 2006 Performance of galvanised high performance
steels for the construction market – Phase 2: 2006, International Lead Zinc
Research Organisation ILZRO, North Carolina, USA - $49,998. 2005-2006 New materials technology and manufacturing processes in the
redesign and production of high quality critical flow tube fittings: Knowledge
Transfer Partnership with Parker Hannifin plc (DTI
- £92,232 Grant KTP000976). 1998-2000 Investigation of Wake Contact Stresses
Developed During Fatigue Crack Growth: 1998-2000. EPSRC
Grant GR/L42391. Collaborative with
Professor E A Patterson, Department of Mechanical Engineering, University of
Sheffield. Investigator: Dr Mark
Pacey. 1998-2001 Metallurgical Aspects of
Fatigue Resistance and Cold Work Embrittlement of Thin Steel Sheets: 1998-2001. Sub-contractor to Hoogovens
Research & Development on ECSC sponsored
research project (partners Hoogovens R & D, Thyssen Krupp Stahl, CRM Ghent, IRSID,
Voest Alpine). Publications Details of publications from these and
other projects are given below. Papers in Academic
Journals B.1 M N James
and G C Smith (1983), Surface microcrack closure in fatigue: a comparison of compliance
and crack sectioning data, International Journal of Fracture, 22
pp.R69-R75 ISSN 0376-9429. B.2 M N James
and G C Smith (1983), Crack closure and
surface microcrack thresholds - some experimental
observations, International Journal of Fatigue, 5 pp.75-79 ISSN
0142-1123. doi:10.1016/0142-1123(83)90057-9 B.3 M N James
and G C Smith (1983), A note on small
semi-elliptic cracks in notched and plain specimens, Res Mechanica, 9 pp.129-136 ISSN
0143-0084. B.4 M N James
and J F Knott (1985), An assessment of
crack closure and the extent of the short crack regime in Q1N (HY80) steel,
Fatigue and Fracture of Engineering Materials and Structures, 8 pp.177-191
ISSN 0160-4112. doi:10.1111/j.1460-2695.1985.tb01202.x B.5 M N James
and J F Knott (1985), Near threshold
fatigue crack closure and growth in air and vacuum, Scripta
Metallurgica, 19
pp.189-194 ISSN 1359-6462. doi:10.1016/0036-9748(85)90180-2 B.6 M N James
and J F Knott (1985), Critical aspects
of the characterisation of crack tip closure by compliance techniques, Materials
Science and Engineering, 72
L1-L4 ISSN 0921-5093. doi:10.1016/0025-5416(85)90074-6 B.7 M N James
(1985), The effect of grain size on the
location of crack wake closure during load shedding, Scripta
Metallurgica, 19
pp.1301-1306 ISSN 1359-6462. doi:10.1016/0036-9748(85)90055-9 B.8 M N James
(1985), Award Winning Paper: Some
aspects of fatigue crack growth: 1.
Growth rate characterisation and the defect tolerant approach, The South
African Mechanical Engineer, 35 pp.444-449. B.9 M N James
(1985), Award Winning Paper: Some
aspects of fatigue crack growth: 2.
Short crack effects in fatigue, The South African Mechanical Engineer, 35 pp.496-499. B.10 M N James
(1987), Award Winning Paper: Fractography
during failure analysis - what it reveals, The South African Mechanical
Engineer, 37 pp.25-29. B.11 M N James
(1987), Some observations of the effect
of microstructure, wake plasticity and fast cooling on fatigue crack closure,
International Journal of Fatigue, 9 pp.179-183 ISSN 0142-1123. doi:10.1016/0142-1123(87)90075-2 B.12 M N James
(1988), Conference report on The Third
International Conference on Fatigue and Fatigue Thresholds,
Charlottesville VA, International Journal of Fatigue, 10
p.57 ISSN 0142-1123. doi:10.1016/0142-1123(88)90028-X B.13 M N James
(1988), Fatigue threshold behaviour of
small hydrogen-induced cracks, Scripta Metallurgica, 22 pp.201-205 ISSN
1359-6462. doi:10.1016/S0036-9748(88)80334-X B.14 M N James
(1988), Designing against fatigue,
The South African Mechanical Engineer, 38 pp.651-658. B.15 J F Bromley
and M N James (1988), High-resolution
displacement measurements using automated laser interferometry, South
African Journal of Science, 84 No. 11 pp.878-879 ISSN 0038-2353. B.16 M N James, C Dimitriou and H D Chandler (1989), Low cycle fatigue lives of notched components, Fatigue and
Fracture of Engineering Materials and Structures, 12
pp.213-225 ISSN 0160-4112. doi:10.1111/j.1460-2695.1989.tb00528.x B.17 M N James and
W N Sharpe, Jr (1989), Closure development and crack opening displacement in the short crack regime
for fine and coarse grained A533B steel,
Fatigue and Fracture of Engineering Materials and Structures, 12
pp.347-361 ISSN 0160-4112. doi:10.1111/j.1460-2695.1989.tb00542.x B.18 R E Garz and M N James (1989), Observations on evaluating fatigue crack closure from compliance
traces, International Journal of Fatigue, 11
pp.437-440 ISSN 0142-1123. doi:10.1016/0142-1123(89)90184-9 B.19 M N James, A
M Human and S Luyckx (1990), Fracture
toughness testing of hardmetals using
compression-compression precracking, Journal of
Materials Science, 25 pp.4810-4814 ISSN 0022-2461. doi:10.1007/BF01129946 B.20 M N James, R
B Tait and D G Mech
(1991), Compression fatigue in ß-alumina,
Fatigue and Fracture of Engineering Materials and Structures, 14
pp.227-235 ISSN 0160-4112. doi:10.1111/j.1460-2695.1991.tb00655.x B.21 M N James
(1991), The role of the fracture expert
in failure analysis, Forensic Engineering, 3 No.
1 pp.7-21. ISSN 0888-8817. B.22 M N James and
R E Garz (1991), Relating closure development in long cracks to the short crack regime,
International Journal of Fatigue, 13 pp.169-173 ISSN
0142-1123. doi:10.1016/0142-1123(91)90010-V B.23 M N James
(1991), A note on short crack
generation techniques, Materials Science and Engineering, A147
L13-L16 ISSN 0921-5093. doi:10.1016/0921-5093(91)90815-5 B.24 P V Kotvis, W T Tysoe and M N James
(1992), An investigation of film
removal in extreme pressure lubrication using chlorinated hydrocarbon
additives, Wear, 153 pp.305-314 ISSN 1068-3666. doi:10.1016/0043-1648(92)90171-4 B.25 A M Human, I T Northrop, S B Luyckx
and M N James (1992), A comparison
between cemented carbides containing cobalt and nickel based binders,
Journal of Hard Materials, 2 pp.245-256 ISSN 0263-4368. B.25 S B Luyckx, F R N Nabarro, S-W Wai and M N James (1992), The anisotropic work-hardening of WC crystals, Acta
Metallurgica et Materialia,
40 pp.1623-1627 ISSN 1359-6454.
doi:10.1016/0956-7151(92)90104-M B.27 M N James
(1992), Award Winning Paper: Optimising
the fatigue resistance of metals, Research &Development Journal, SAIMechE, 8 pp.34-42 ISSN
0257-9669. B.28 M N James, H
O Lambrecht and A E Paterson (1993), Fatigue strength of welded cover plates on
6261 aluminium alloy I-beams, International Journal of Fatigue, 15
pp.519-524 ISSN 0142-1123. doi:10.1016/0142-1123(93)90266-S B.29 M N James and
K Bigham (1994), Award Winning Paper: Fatigue strength of shafts reclaimed by
welding, Research & Development Journal, SAIMechE
10 pp.7-11 ISSN 0257-9669. B.30 M N James
(1995), Some potential pitfalls in
failure analysis, International Journal of Fatigue, 17 No. 7
pp.457-462 ISSN 0142-1123. doi:10.1016/0142-1123(95)00039-V B.31 M N James
(1995), Fracture research at Wits: An
overview of activities, results and directions, Journal of the South
African Institute of Mining and Metallurgy, 95 No. 7,
November/December 1995 pp.309-317 ISSN 0038-223X. B.32 S P N'gang'a and M N James (1996), Variable amplitude loading of EN 8 (080M40) steel : a detailed
experimental study, Fatigue and Fracture of Engineering Materials and
Structures, 19 No. 2/3
pp.207-216 ISSN 0160-4112. doi:10.1111/j.1460-2695.1996.tb00960.x B.33 M N James and
E R de los Rios (1996), Variable
amplitude loading of small fatigue cracks in 6261-T6 aluminium alloy,
Fatigue and Fracture of Engineering Materials and Structures, 19
No. 4 pp.413-426 ISSN 0160-4112. doi:10.1111/j.1460-2695.1996.tb00978.x B.34 D O'Quigley, S B Luyckx and M N
James (1996), New results on the relationship
between hardness and fracture toughness of WC-Co hardmetal, Materials
Science and Engineering, A209 No.
1/2 pp.228-230 ISSN 0921-5093. doi:10.1016/0921-5093(95)10112-8 B.35 D O’Quigley, S Luyckx and M N
James (1997), An empirical ranking of a
wide range of WC-Co grades in terms of their abrasion resistance measured by
the ASTM Standard B611-85 test, International Journal of Refractory
Metals and Hard Materials, 15 pp.73-79 ISSN 0263-4368. doi:10.1016/S0263-4368(96)00032-7 42 citations as
at 19/8/2011 B.36 M N James, A
E Paterson and N Sutcliffe (1997), Constant
and variable amplitude loading of 6261 aluminium alloy I-beams with welded
cover plates - influence of weld quality and stress relief, International
Journal of Fatigue, 19 No. 2 pp.125-133 ISSN 0142-1123. doi:10.1016/S0142-1123(97)00062-5 B.37 M N James and
A E Paterson (1997), Fatigue
performance of 6261-T6 aluminium alloy - constant and variable amplitude
loading of parent plate and welded specimens, International Journal of
Fatigue 19 Supp. No. 1 pp.109-118 ISSN 0142-1123. doi:10.1016/S0142-1123(97)00042-X B.38 M N James
(1998), Engineering materialism and
structural reliability, Journal of Engineering Design 9 No. 4
pp.329-342 ISSN 1456-1837. doi:10.1080/095448298261471 B.39 M N James and
Li Wenfong (1999), Fatigue crack growth in austempered ductile
and grey cast irons - stress ratio effects in air and mine water,
Materials Science and Engineering A265 pp.129-139 ISSN 0921-5093. doi:10.1016/S0921-5093(98)01140-X 27 citations as
at 19/8/2011 B.40 L-W Wei and M
N James (2000), A study of fatigue crack
closure in polycarbonate CT specimens, Engineering Fracture Mechanics 66
No. 2 pp.223-242 ISSN 0013-7944. doi:10.1016/S0013-7944(00)00014-X 37 citations as
at 19/8/2011 B.41 J W Bull, C H Woodford, W C Christie, E Neau and M N James (2000) Low stress design of welded
plates using the self-designing structures approach, Computers and
Structures 78 No. 1 pp.487-496.
ISSN: 00457949. doi:10.1016/S0045-7949(00)00096-1 B.42 M N James
(2002), Crashing aircraft, sinking
ships - fractographic and SEM support for unusual failure hypotheses,
Engineering Failure Analysis 9 No. 3 pp.313-328 ISSN 1350-6307. doi:10.1016/S1350-6307(01)00016-4 B.43 P J McGrath, D G Hattingh, and M N James
(2002), Award Winning Paper: A novel 8-element gauge for residual
stress assessment using the high speed centre hole drilling method, SAIMechE Research & Development Journal 18 No.
1 pp.1-6 ISSN 0257-9669. B.44 L-W Wei, E R de los Rios and M N James
(2002), Experimental study and
modelling of short fatigue crack growth in aluminium alloy Al7010-T7451 under
random loading, International Journal of Fatigue, 24 pp.963-975
ISSN 0142-1123. doi:10.1016/S0142-1123(02)00006-3 B.45 L-W Wei and M
N James (2002), Fatigue crack closure
for inclined and kinked cracks, International Journal of Fracture, 116 No. 1 pp.25-50 ISSN 0376-9429. doi:10.1023/A:1020189817060 B.46 M N James, M
N Pacey, L-W Wei and E A Patterson (2003), Characterisation of plasticity-induced closure - crack flank contact
force versus plastic enclave, Engineering Fracture Mechanics, 70
pp.2473-2487 ISSN 0013-7944. doi:10.1016/S0013-7944(02)00273-4 21 citations as at 19/8/2011 B.47 M N James, D
G Hattingh and G R Bradley (2003), Weld tool travel speed effects on
fatigue life of friction stir welds in 5083 aluminium, International
Journal of Fatigue, 25 pp.1389-1398 ISSN 0142-1123. doi:10.1016/S0142-1123(03)00061-6 40 citations as at 19/8/2011 and 1,378
downloads as at 29/3/2011 B.48 D J Hughes, M N James, D G Hattingh and
P J Webster (2003), The use of combs for evaluation of
strain-free references for residual strain measurements by neutron and
synchrotron X-ray diffraction,
Journal of Neutron Research, 11 December 2003 pp.289-293 ISSN
1023-8166. doi.org/10.1080/10238160410001726765 B.49 L-W Wei and M N James (2004), Numerical modelling of
plasticity-induced crack closure for interfacial cracks in bi-material
specimens, Engineering Fracture Mechanics, 71 pp.309-327 ISSN
0013-7944. doi:10.1016/S0013-7944(03)00118-8 B.50 M N James, D
J Hughes, D G Hattingh, G R Bradley, G Mills, and P J Webster (2004), Synchrotron
diffraction measurement of residual stresses in friction stir welded 5383-H321
aluminium butt joints and their modification by fatigue cycling, Fatigue
and Fracture of Engineering Materials and Structures, 27 pp.187-202
ISSN 0160-4112. doi:10.1111/j.1460-2695.2004.00736.x B.51 M N James, D
G Hattingh, D J Hughes, L-W Wei, E A Patterson and J Fonseca (2004), Synchrotron
diffraction investigation of the distribution and influence of residual
stresses in fatigue, Fatigue and Fracture of Engineering Materials and
Structures, 27 pp.609-622 ISSN 0160-4112. doi:10.1111/j.1460-2695.2004.00789.x B.52 D G Hattingh,
T I van Niekerk, C Blignault,
G Kruger and M N James (2004), Analysis
of the FSW force footprint and its relationship
with process parameters to optimise weld performance and tool design,
Invited Paper (INVITED-2004-01), IIW Journal
Welding in the World, 48 No. 1-2 pp.50-58 ISSN 0043-2288. http://www.iiw-iis.org/iiw/Public%20Area/publications/journal/WW-2004/Abstracts-1-2.pdf B.53 M N James, G
R Bradley, H Lombard and D G Hattingh (2005), The relationship between process mechanisms and crack paths in
friction stir welded 5083-H321 and 5383-H321 aluminium alloys, Fatigue
and Fracture of Engineering Materials and Structures, 28
pp.245-256 ISSN 0160-4112. doi:10.1111/j.1460-2695.2004.00830.x B.54 M N Pacey, E
A Patterson and M N James (2005), A new
photoelastic model for studying fatigue crack closure, Experimental
Mechanics, 45 No. 1 pp.42-52 ISSN 0014-4851. doi:10.1177/0014485105050005 B.55 M N James (2005), Design, manufacture and materials; their interaction and role in
engineering failures, Engineering Failure Analysis, 12 No. 5
pp.662-678 ISSN 1350-6307. doi:10.1016/j.engfailanal.2004.12.012 2,386 downloads from EFA
as at 29/3/2011 B.56 M N James, P J Webster, D J Hughes, Z Chen, N Ratel, S-P Ting, G Bruno and A Steuwer (2006), Correlating weld process conditions,
residual strain and stress and mechanical properties for high strength steel
– the role of neutron diffraction, Materials Science and Engineering A, 427
pp.16-26 ISSN 0921-5093. doi:10.1016/j.msea.2006.03.098 B.57 M N James, D J Hughes, Z Chen, H Lombard, D G Hattingh, D
Asquith, J R Yates and P J Webster (2007), Residual stresses and fatigue performance, Engineering Failure
Analysis 14 pp.384-395 ISSN 1350-6307. doi:10.1016/j.engfailanal.2006.02.011 2nd most cited article in EFA in the period 2005-2010 (22 citations as at 19/8/2011) and 14th most
downloaded article from EFA as at 29/3/2011 (3,693) B.58 C J
Christopher, M N James, E A Patterson and K F Tee (2007), Towards a new model of crack tip stress
fields, International Journal of Fracture 148 pp.361-371 ISSN: 0376-9429.
doi:10.1007/s10704-008-9209-3 B.59 H Lombard, D
G Hattingh, A Steuwer and M N James (2008), Optimising FSW process parameters to
minimise defects and maximise fatigue life in 5083-H321 aluminium alloy,
Engineering Fracture Mechanics 75 pp.341-354 ISSN 0013-7944. doi:10.1016/j.engfracmech.2007.01.026 25 citations as at 19/8/2011 B.60 C Blignault, D G Hattingh, G H Kruger,
T I van Niekerk and M N James (2008), Friction stir weld process evaluation by
multi-axial transducer, Measurement: Journal of the International
Measurement Confederation 41 No. 1 pp.32-43 ISSN 0263-2241.
doi:10.1016/j.measurement.2006.12.001 B.61 C J Christopher, M N James, E A Patterson and K F Tee (2008), A quantitative evaluation of fatigue crack
shielding forces using photoelasticity, Engineering Fracture Mechanics 75
pp.4190-4199 ISSN: 0013-7944. doi:10.1016/j.engfracmech.2008.03.013 B.62 D G Hattingh, C Blignault, T I
van Niekerk, and M N James (2008), Characterization
of the influences of FSW tool geometry on welding
forces and weld tensile strength using an instrumented tool, Journal of Materials Processing
Technology 203 No. 1-3 pp.46-57 ISSN: 0924-0136. doi:10.1016/j.jmatprotec.2007.10.028 B.63 M N James, D J Hughes, D G Hattingh, G Mills, P J Webster
(2009), Residual stress and strain in MIG butt welds in 5083-H321 aluminium: as-welded and
fatigue cycled, International Journal of Fatigue 31 pp.28-40 ISSN
0142-1123. doi:10.1016/j.ijfatigue.2008.04.010 1,773 downloads as at 29/3/2011 B.64 H
Lombard, D G Hattingh, A Steuwer, M N James (2009), Effect of process parameters on the residual stresses in AA5083-H321
friction stir welds, Materials Science and Engineering A, 501
pp.119-124 ISSN 0921-5093. doi:10.1016/j.msea.2008.09.078 B.65 M N James (2009), Designing
against LMAC in galvanised steel structures, Engineering Failure Analysis
16 pp.1051-1061 ISSN
1350-6307. doi:10.1016/j.engfailanal.2008.05.019 B.66 M N James, S-P Ting, M Bosi, H
Lombard and D G Hattingh (2009), Residual
strain and hardness as predictors of the fatigue ranking of steel welds,
International Journal of Fatigue, 31 pp.1366-1377 ISSN
0142-1123.
B.67 M N James
(2010), Intergranular crack paths
during fatigue in interstitial-free steels, Engineering Fracture
Mechanics 77 pp.1998-2007 ISSN:
0013-7944. doi:10.1016/j.engfracmech.2009.12.006 B.68 C Colombo, Y
Du, M N James, E A Patterson, L Vergani (2010),
On crack tip shielding due to
plasticity-induced closure during an overload, Fatigue and Fracture of
Engineering Materials and Structures 33 No.12, pp.766-777 ISSN
0160-4112. doi:10.1111/j.1460-2695.2010.01439.x B.69 M N James and
M Newby (2010), The interface between
metallurgy and mechanics in material performance, Frattura
ed Integrità Strutturale (Fracture and Structural Integrity), Journal
of the Italian Group of Fracture, 14 pp.5-16 ISSN 1971-8993. doi:10.3221/IGF-ESIS.14.01 B.70 D G Hattingh,
D L H Bulbring, A Els-Botes, M N James (2011), Process Parameter Influence on Performance of Friction Taper Stud
Welds in AISI 4140 Steel, Materials and Design 32
pp.3421-3430 ISSN 0261-3069. doi:10.1016/j.matdes.2011.02.001 B.71 J J Klopper, R F Laubscher, A
Steuwer and M N James (2011), An
investigation into the effect of weld technique on the residual stress
distribution of 3CR12 (DIN 1.4003) built-up structural sections,
Proceedings of the Institution of Mechanical Engineers, Part L: Journal of
Materials Design and Applications, 225 No. 3 pp. 123 - 132. doi:10.1177/0954420711404326 B.72 M N James
(2011), Residual stress influences on
structural reliability, Engineering Failure Analysis 18
pp.1909-1920 ISSN 1350-6307. doi:10.1016/j.engfailanal.2011.06.005 B.73 C Blignault, D G
Hattingh and M N James (2011), Optimising
friction stir welding via statistical design of tool geometry and process
parameters, accepted by the Journal of Materials Engineering and
Performance ISSN 1059-9495. doi:
10.1007/s11665-011-9984-2 B.73 M N James, C J Christopher, Yanwei Lu and E A Patterson
(2011), The plastic ‘inclusion’ as a
meso-scale bridge between local crack tip mechanisms
and the global elastic field, submitted to the International Journal of
Fatigue ISSN 0142-1123. |
