(Received 20 September 1999; accepted 11 February 2000)
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This paper discusses the development of a new technique for measuring the strength of ceramic shells. In this technique, compressed air was passed into the ceramic shells and the bursting pressure was measured using a diaphragm pressure gage. The hoop stresses were calculated. The results of the new technique realistically match the actual failure rate of shells in the precision casting process.
M.J. College of Engineering and Technology, Hyderabad,
Osmania University, Hyderabad,
Dr. Ambedkar Institute of Technology, Bangalore,
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