SYMPOSIA PAPER Published: 01 January 1960

Effects of Heat Treatments on the Tensile and Corrosion Properties of Zircaloy 2


The effects of temperature, time at temperature, and cooling rate on the tensile and corrosion properties of Zircaloy 2 were studied. It was found that both tensile and corrosion properties were dependent upon cooling rate and when discussing the other variables, a cooling rate must be specified. In general, above 1700 F the yield strength increased and the ultimate strength decreased. Ductility decreased with increasing heat treatment temperature above 1450 F. Cooling Zircaloy 2 at a rate greater than 90 F per min resulted in satisfactory corrosion resistance, whereas cooling at a rate less than that caused decreased corrosion resistance. Corrosion resistance of slowly cooled material decreased with increasing temperature above 1500 F.

Author Information

Goodwin, J.
Bettis Plant, Pittsburgh, Pa.
Rubenstein, L.
Bettis Plant, Pittsburgh, Pa.
Shubert, F.
Bettis Plant, Pittsburgh, Pa.
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Developed by Committee: B02
Pages: 124–143
DOI: 10.1520/STP46334S
ISBN-EB: 978-0-8031-6780-3
ISBN-13: 978-0-8031-6577-9