The mechanical properties of perspex under an accelerated aging condition of the hygrothermal were studied, and the laws of hygrothermalaging for perspex were obtained.
研究有机玻璃材料在湿热加速老化条件下的力学性能，得到有机玻璃在湿热条件下的老化规律。
2
The aging mechanism of rigid polyurethane foams at indoor storage conditions was investigated with indoor storage tests, accelerated hygrothermalaging tests and IR spectra.
XIE K y, LI h, SUN y, et al. Effect of hygrothermalaging on behaviors of fiber reinforced resin composites and its mechanism [J]. Materials for Mechanical Engineering, 2014, 38 (8) : 1-6.