TY - JOUR AU - Callejas, Antonio AU - Rus, Guillermo PY - 2019 DO - 10.3390/s19051156 UR - http://hdl.handle.net/10668/19327 T2 - Sensors AB - Parameters to measure nonlinearity in polymethylmethacrylate (PMMA) and carbon fiber reinforced polymer (CFRP) materials have been determined with nonlinear ultrasound (NLUS). The nonlinear parameter has been determined using the variation of the... LA - en PB - MDPI AG KW - nonlinear parameter KW - finite amplitude method KW - harmonic generation KW - polymethylmethacrylate KW - carbon fiber reinforced polymer KW - Acoustic nonlinearity KW - Ultrasonic-waves KW - B/a KW - Diffraction KW - Generation KW - Water KW - plastic, carbon fiber reinforced KW - Carbon Fiber KW - Polymethyl Methacrylate KW - Immersion KW - Water KW - Transducers TI - Experimental Configuration to Determine the Nonlinear Parameter in PMMA and CFRP with the Finite Amplitude Method TY - research article VL - 19 ER -