A temperature-insensitive damage evaluation parameter for composite laminates is proposed. Ultrasonic wave velocity is directly related to material stiffness, so that it is a quantitative parameter that gives information about the mechanical state...
年次大会 : Mechanical Engineering Congress, Japan 2015 "J0420404-1"-"J0420404-4" 2015年9月
Ultrasonic testing is applied to evaluate cure degree of resin in GFRP laminates. Polymer based composite materials are widely used to repair aged structures in civil engineering because they have high specific strength and good corrosion resistan...