Nature of the anomaly in the temperature dependence of the deformation resistance of aged steel Ni36Cr12TiAl

The appearance of an anomaly in the temperature dependence of the deformation resistance of aged steel Ni36Cr12TiAl may be due to: 1) an anomalous temperature change in the yield point of the '-phase; and 2) strain aging. The first cause plays a decisive part in those cases in which dislocations cut through the '-phase particles during deformation. However, in those cases where the '-particles are impenetrable, the anomaly is due to strain aging.