Abstract
In papers of the piezoelectric coating/substrate system under smooth spherical contact (DOI: 10.1177/1081 286519 865773), conical contact (DOI: 10.1016/j.ijsolstr.2019.08.031), and cylinder flat head contact (DOI: 10.1007/s11012-019-01085-1), Green’s function method has been applied to solve the problem of piezoelectric friction contact. We deduced the analytical expression of piezoelectric coating structure, which is expressed by elementary functions. The numerical results highlight the best thickness to maintain a higher potential difference and a critical potential difference. This study has guiding significance for the future research and analysis of friction signals in intelligent manufacturing, such as piezoelectric tactile sensors.
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