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本文叙述了铍青铜应力腐蚀试验的影响因素及断口特征.热处理状态、张应力的大小、腐蚀介质以及温度和湿度都将影响应力腐蚀速度.铍青铜的断口形态是沿晶脆断,裂纹是多枝的。通过试验得知,采用涂漆和喷砂处理等措施,可大大提高抗应力腐蚀的能力。
In this paper, the influencing factors and fracture characteristics of the stress corrosion test of beryllium bronze are described.The heat treatment state, the size of tensile stress, the corrosive medium and the temperature and humidity all affect the stress corrosion rate.The fracture morphology of beryllium bronze is brittle fracture and the cracks are more Branches. Through the test that the use of paint and sandblasting and other measures can greatly enhance the ability of anti-stress corrosion.