Marais Consulting Engineers

References:

Some papers authored or co-authored by Johan Marais:

1. TRAIN HEALTH MONITORING - BEYOND THE ALARMS, Presented to the Southern African Section of the Institution of Railway Signal Engineers at Johannesburg on 17 March 2005
2. An Overview of Railroad Wheel Rim Failure Modes under Heavy Axle Loads, (Joint author with J. S. van der Walt), 14th International Wheelset Congress, 17-21 October 2004 , Orlando, USA
3. "Rail integrity management by means of ultrasonic testing", (Joint author with KC Mistry), Fatigue & Fracture of Engineering Materials & Structures, Volume 26 Page 931 - October 2003
4. “Initial Field Experiences with the Trackside Acoustic Detection System” - Gerald Anderson - TTCI, USA, Johan Marais - Spoornet-Railway Engineering, South Africa, & Anthony Austen - Queensland Railways, Australia – May 2003, International Heavy Haul Association Specialist Technical Session, Texas, USA
5. "Wheel-rail interaction as experienced on LKAB iron ore wagons", Joint author with HM Tournay, RD Fröhling, JM Mulder, U Lindstrom, T Karlsson, 2003 Transportation Research Board Annual Meeting, Washington DC, January 2003
6. "Assessment of flaws in railway wheel bores", 13th International Wheelset Congress, Rome, Italy, 2001
7. "Developing wheelsets for 30 tonne axleloads", (Joint author with Roger Lundén and Stefan Schrader, Railway Gazette International, September 2001.
8. “Effects of imperfections on fatigue initiation in railway wheels.” (Joint author with Anders Ekberg), IMechE Journal of Rail and Rapid Transit, vol 214, no F1, 2000, pp 45-54
9. "Wheel failures on heavy haul freight wheels due to subsurface defects", 12th International Wheelset Congress, Qingdao, China, 1998
10. “The development of an integrated train condition monitoring system”, World Congress on Railway Research, Florence, Italy, 1997
11. "Spoornet moves to automate train health monitoring", Railway Gazette International, April 1997.
12. “Managing wheelsets in Spoornet”, UIC User-Producer Interaction Programme – Rolling Stock Technology, Teheran, Iran, 1996.
13. “Thermal fatigue of steel tyres on urban railway systems”, (Joint author with P. G. H. Pistorius), International Journal of Fatigue, Vol. 17, No. 7, 1995.
14. "Thermal fatigue of steel tires on urban railway systems", (Joint author with P. G. H. Pistorius), 4th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, Vancouver, Canada, 1994.
15. "Performance of F-couplers on unit coal trains", Railways Africa, April/May 1993, (Joint author with P. H. Smit, J. W. Singer and C. Teunissen).
16. "Rails and Rail Steels", Permanent Way Institute, Rail track conference, Elephant Hills Hotel, Zimbabwe, 1992.
17. “The use of the local strain approach in the evaluation of the fatigue properties of a component”, MSc(Metallurgy) thesis, University of Pretoria, 1990
18. "Failure analysis of JT9-7R4 jet engine fan blade", Fracture 89, World Trade Centre, Johannesburg, 1989.