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Abstrakty
A fractured nutcracker was examined for determining the root cause/s for premature fracture/failure. This is one of the common tools used typically for cracking hard nuts. In this study, metallurgical failure analysis techniques namely, visual inspection, optical microscopy, SEM, and hardness tests were used in investigating the broken product. From the metallurgical analysis, it was determined that the combined effect of low carbon equivalent and presence of inclusions contributed to the sudden fracture of the nut cracking tool.
Czasopismo
Rocznik
Tom
Strony
67--70
Opis fizyczny
Bibliogr. 9 poz., rys., tab.
Twórcy
autor
- Metallurgical & Materials Engineering Department Montana Tech of the University of Montana, Butte, MT 59701, USA.
Bibliografia
- [1] W.F. Smith, Foundations of Materials Science and Engineering, McGraw-Hill, (2004).
- [2] ASM Handbook, American Society of Metals, Vol.15, Casting, Metals Park, OH, (1991).
- [3] ASM Handbook, American Society of Metals, Volume 4, Heat Treatment, Metals Park, OH, (1991).
- [4] Jacques Lacaze, S. Armendariz, Peio Larrañaga, Iker Asenjo, Jon Sertucha, Ramón Suárez, Effect of Carbon Equivalent on Graphite Formation in Heavy-Section Ductile Iron Parts, Materials Science Forum, (Volumes 636 - 637), 523-530, (2010).
- [5] Daniel Holmgren, Attila Diószegi, Ingvar L. Svensson, Effects of carbon content and solidification rate on the thermal conductivity of gray cast iron, Tsinghua Science & Technology, Volume 13, Issue 2, 170-176, (2008).
- [6] C. Balasingh, M.R. Seshadri, M.N. Srinivasan, S. Ramaseshan, Effect of carbon equivalent and inoculation on residual stresses in gray iron castings, Journal of Mechanical Working Technology, Volume 9, Issue 1, 53-66, (1984).
- [7] John R. Brown, Inoculation of gray cast iron, Foseco Ferrous Foundryman's Handbook (11th Edition), 62-69, (2000).
- [8] Vander Voort, Metallography Principles and Practice. McGraw Hill, USA, (1984).
- [9] D.R.H. Jones, Engineering Materials 3-Materials failure Analysis, Oxford, Pergamon Press, (1993).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-2b0949d9-999d-4a7d-868e-802e5c4b5877