Q235钢结构件表面热镀锌层的应力腐蚀及其机理

赵骞, 张洁, 毛锐锐, 缪春辉, 卞亚飞, 滕越, 汤文明

Stress Corrosion and Its Mechanism of Hot-dip Galvanized Coating on Q235 Steel Structure

ZHAO Qian, ZHANG Jie, MAO Ruirui, MIAO Chunhui, BIAN Yafei, TENG Yue, TANG Wenming

表1 在不同应力下镀锌钢试样浸泡前后的重量及重量变化

Table 1 Masses and corrosion induced mass changes of galvanized steel samples before and after immersion under 0, 89 and 178 MPa

Stress / MPa m0 / g m1 / g ∆m / g 0 24.3019 24.3010 -0.0009 89 25.2782 25.1925 -0.0857 178 24.9640 24.8588 -0.1052