Development of creep testing machines for spheroidal graphite cast iron
Abstract
Recent developments in the gas turbine field have led to the need for creep data on spheroidal graphite cast iron. The development of two creep testing machine suitable for this material was undertaken. Due to the size of the test piece specified, the elongation of the material and the speek of test several modifications had to be made to these machines before a satisfactory procedure could be established. The creep date, obtained during the development period, and presented herein, give some indication of the order of magnitue that may be expected from a thorough programme of creep testing on this material.
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