Stress damage information acquisition method and related device

• Main Authors: WANG XUEREN, QIANG HONGFU, WANG ZHEJUN, PEI SHUDI
• Format: Patent
• Language: Chinese; English
• Published: 29.12.2023
• Subjects: CALCULATING; COMPUTING; COUNTING; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The embodiment of the invention provides a stress damage information acquisition method and a related device, and the method comprises the steps: obtaining stress damage detection demand information; determining K first test pieces corresponding to the solid rocket thruster according to the stress damage detection demand information, wherein stress damage test parts in the first test pieces have the same physical structure characteristics as the solid rocket thruster; obtaining stress-strain curves when the K first test pieces are placed in a stretching device and stretched to a preset strain state, so as to obtain K first stress-strain curves and M first images; according to the M first images corresponding to each first test piece, microscopic damage information corresponding to each first test piece is determined; according to the microscopic damage information corresponding to each first test piece and the K first stress-strain curves, the stress damage information of the solid rocket propeller is determi