Solved Cop= 240 MPa A1. [2 Marks] A | Chegg
The operating the stress (Oop) is 240 MPa. It is known that at room temperature (25°C), the fracture toughness and yield strength of the material are 45 MPa m and 480 MPa, respectively. When temperature is – 40 °C, the fracture toughness of the material