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Ultrasonic Testing of Axle sets of Diesel-Engine trains

Janez Grum
Faculty of Mechanical Engineering
University of Ljubljana, Aškerceva 6, 1000 Ljubljana, Slovenia
Viktor Jemec
Secondary School Domžale, Cesta talcev 12, 1230 Domzale, Slovenia

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ABSTRACT

1. INTRODUCTION

2. EXPERIMENTAL SYSTEM

3. COMPUTER PROGRAM FOR THE CALCULATION OF THEORETICAL SIGNALS AND THEIR COMPARISON TO THE CAPTURED ULTRASONIC SIGNALS

4. PHYSICAL MODEL OF THE CALCULATION OF SOUND PATHS AS REGARDS THE SHAPE OF THE AXLES, I.E., MACHINE ELEMENTS

5. SCREEN DISPLAY

6. CONCLUSION

7. REFERENCES

  1. Internal Standard of JZS V3.006.
  2. Official Communications of Slovenian Railway of Ljubljana, No.: 19, 1979.
  3. Krautkrämer, J. H.: Ultrasonic Testing of Materials, Third Edition, Springer - Verlag, New York, Heidelberg, Berlin 1993.
  4. JEMEC Viktor, ŠIPEK Mitja : Testing of rail shafts of the series 342/362 with normal ultrasonic probes placed at a certain angle, UDK 620.179.16; 629.423.027.11, Int. Conf. RELIABILITY ON NDT RESULTS NDT '88, Dubrovnik, Croatia, 1988, 189-195 (in Croatien).
  5. GERKEN C. in WITKOPP H.: Automatic ultrasonic wheel set testing stand for railway axles with data recording, 10th World Conf. on Non-destructive Testing, Moscow 1982
  6. JEMEC Viktor, Grum Janez, Petrišic Joze, Lunar Bojana, Štefotic Boris, Kokolj Franc, Šipek Mitja, Brezan Marija, Pozar Silvester, Kastelec Štefan, Gregoric Anton, Frankic Franc, Zerjav Anton, Beci Anton, Vonca Janez, Manfreda Srecko, Jemec Metka, Breznik Marko, Grabec Igor: Use the nondestructive testing for control of railway bogie, Ministry Of Science And Technology num.: B 42-0477-0361, Ljubljana, 1994 (in Slovene).
  7. JEMEC Viktor, PETRIŠIC Joze, LUNAR Bojana: Computer support nondestructive testing on railway axles, The News of Nondestructive association of Slovenia, Ljubljana, vol. 1, no. 3-4, 1994, 14 - 19, (in Slovene).
  8. JEMEC Viktor, POLJAK Janko: Automation of Control the Vitalization Elements of Railway Locomotive, Int. Conf. KBR'95 NDT "Inservice Inspection", Pula, Croatia,1995, 67-78
  9. GRUM Janez, JEMEC Viktor, BECI Anton: Ultrasonic Testing of Axles and Axle sets of Diesel-Engine Trains, Int. Conf. MATEST'98 - Life extension, Brijuni, Croatia, 1998, 329-339.
  10. GRUM Janez, JEMEC Viktor, BECI Anton: Testing of Axles in Wheel and Axle sets of Diesel-Engine Trains, SDA-Proceedings of the first of Slovenian Acoustical Society with International Participation, Portoroz, Slovenia, 1998, 237-244.

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