Abstract
Abstract. This paper proposes a new amplitude-modulation vibro-acoustic (AMVA) technique to detect thermal damage in pristine graphene (PRG) mortar materials. A new third-order solution for an amplitude-modulated low-frequency pump wave and a high-frequency probe wave in infinite isotropic material is presented. The solution includes higher-order sidebands generated by intrinsic and acquired nonlinearities. A nonlinear parameter is defined according to the third-order solution to assess the different levels of thermal damage. The experimental study demonstrates the sensitivity and feasibility of the AMVA technique by comparing the nonlinear parameter with the linear measurements of the ultrasonic pulse velocity (UPV) test. The results show that the proposed AMVA technique is a potential tool to detect and monitor thermal damage in cement-based structures.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.