聚乙烯青岛海洋大气环境腐蚀老化预测研究

丁康康, 刘少通, 郭为民, 苗依纯, 张彭辉, 程文华, 侯健

Prediction for Corrosion Aging of Polyethylene in Marine Atmospheric Environment of Qingdao

DING Kangkang, LIU Shaotong, GUO Weimin, MIAO Yichun, ZHANG Penghui, CHENG Wenhua, HOU Jian

表1 聚乙烯自然风化与多因素叠加模型预测精度

Table 1 Prediction accuracy of natural weathering model and multi-factor superposition model for polyethylene

Model Theoretical prediction value Measured value Error Natural weathering σy0 / MPa 27.40 24.64 11.20% σfM0 / MPa 33.98 36.49 6.88% Multi-factor superposition σy0 / MPa 25.07 24.64 1.75% σfM0 / MPa 35.37 36.49 3.07%