Abstract
An experimental investigation was undertaken to seek a possible correlation between the ball indentation hardness characteristics and tensile flow behaviour of AISI 1015, 1035 and 8620 steels, electrolytic tough pitch copper and commercial brass, which had been processed using various thermomechanical treatments. The overall tensile flow curves for any material tested, as well as the plots of mean pressure against diametral deformation, were observed to obey a power law relation. Quantitative relations were also sought between the two sets of curves for each group of materials; these relationships were then employed to develop general expressions for the tensile flow curves in terms of the ball indentation hardness readings. Good agreement was obtained between the flow curves resulting from the tensile tests and those from the hardness measurements.
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