dynamic-strength-at-temperature-and-notches0 200 400 600 800 1000 12005004003002001000890°C816°C732°C24°CA =A = 2.0A = 0.67A = 0.25 Mean stress m [N/mm2]Stress amplitude a [N/mm2]Smooth specimensnotched specimens( k = 3.4)A = a / m Haigh diagram for smooth and notched specimens of a Co alloy with a life span of 2 x 107 load cycles, i.e. 100 h At first glance, dynamic strength seems to behave in a surprising manner at increasedtemperature and with notches.A2B1B2A1C