1. The stress which resists the shortening effect of an external compressive force. 2. For a test specimen: the compressive load per unit area of original cross section carried by the test specimen at any time during a compression test
1. The stress which resists the shortening effect of an external compressive force. 2. For a test specimen: the compressive load per unit area of original cross section carried by the test specimen at any time during a compression test