Residual stress detection method and device, electronic equipment and storage medium

The invention discloses a residual stress detection method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a first sound time and a second sound time corresponding to a first ultrasonic wave and a second ultrasonic wave, the vibration directions of which are perpendicular to each other, when a component is in an unstressed state, third sound time and fourth sound time corresponding to third ultrasonic waves and fourth ultrasonic waves with the vibration directions perpendicular to each other when the component is in the residual stress state are obtained; determining an acoustic elasticity coefficient based on a preset stretching method; determining a first propagation time difference based on the time difference between the first sound time and the second sound time, and determining a second propagation time difference based on the time difference between the third sound time and the fourth sound time; and determining the residual stress of the component a