本实用新型提供一种测试金属材料在流体高压下应力腐蚀行为的装置,属于金属材料试验设备技术领域。该装置包括高压釜、电化学工作站、计时器、集束导线、螺柱、加载螺母、加载装置顶板、收口螺纹套筒、高强度绝缘垫片、螺纹套筒、加载装置底板、辅助电极、参比电极、钢丝绳、强力速干胶、绝缘涂敷层和矩形弹簧,用于测试金属材料在流体高压下的应力腐蚀行为。其加载方式是用弹簧实现的应力大小可方便调节的恒载荷加载方式。该装置能够解决现有技术中存在的加载设备与高压釜之间应力传导密封性要求高的问题,加载应力不方便调节的问题和在高压环境应力腐蚀试验过程中同时研究电化学性能的问题。

The utility model provides a device for testing the stress corrosion behaviour of metallic materials under fluid high pressure, and belongs to the technical field of metallic material testing equipment. The device includes an autoclave, an electrochemical workstation, a timer, a cluster wire, a stud, a loading nut, a loading device top plate, a closing threaded sleeve, a high-strength insulating gasket, a threaded sleeve, a loading device bottom plate, an auxiliary electrode, a reference electrode, a steel wire rope, a strong quick-drying adhesive, an insulating coating layer and a rectangular spring, which is used to test the stress corrosion behaviour of metal materials under high fluid pressure. The loading method is a constant load loading method with easily adjustable stress levels achieved by springs. The device is able to solve the problems of the existing technology, such as the high requirement of sealing the stress transfer between the loading equipment and the autoclave, the problem of inconvenient adjustment of the loading stress and the problem of studying the electrochemical properties during the stress corrosion test in high pressure environment at the same time.