Lifetime estimation of single crystal macro-fiber composite-based piezoelectric energy harvesters using accelerated life testing

M Peddigari, MS Kwak, Y Min, CW Ahn, JJ Choi… - Nano Energy, 2021 - Elsevier
Piezoelectric energy harvesters (PEHs) based on single crystal macro fiber composites
(SFCs) have been widely utilized in vibration sensing, energy conversion, and power …

Fatigue study and durability improvement of piezoelectric single crystal macro-fiber composite energy harvester

J Jang, GT Hwang, Y Min, JW Kim, CW Ahn… - Journal of the Korean …, 2020 - Springer
In the energy harvester, the fatigue caused by cyclic vibration is an important challenge
affecting the lifetime of the device. The aim of this study is to evaluate the fatigue behavior of …

Изследване на уморната дълготрайност на тънки пластини от стомана 40х

ДМ Димитров, ВA Чириков… - Научни известия на …, 2015 - researchgate.net
In this report a methodic for vibration resonance fatigue testing of thin low alloyed steel
plates is developed. Specimens made from steel 40Kh with cross section 2, 4x10mm 2 are …