A new dynamic device for low-dimensional materials testing

Abstract

As the geometrical size of low-dimensional materials decreases to micro- or nanoscale, the traditional dynamic loading system cannot be used anymore to measure the dynamic mechanical property. In this study, a new dynamic loading system was developed. A piezoelectric transducer actuator was used for displacement loading, and a mechanical lever was designed to amplify the displacement load. Finite element method simulation and validation experiments were conducted to analyze the strength and function of the mechanical lever. As an application test, a sample from an aluminum film was investigated using the system. The success of the experiment, as shown by the results, demonstrated the feasibility of the system for low-dimensional materials study.

A measuring system for mechanical characterization of thin films based on a compactin situmicro-tensile tester and SEM moiré method

“…Tensile tester [14] In order to realize in situ loading under SEM, a micro-tensile tester is developed, which consists of a spring steel lever, a lead-zirconate-titanate (PZT) actuator, a specimen, a fine tuning component, a micro-force sensor, a guide rail and a controlling channel interface, as shown in figure 1. This set-up is an upgraded version of the set-up presented in [15]. When being compared with the previous one, more components have been added, including the micro-force sensor, the guide rail and the controlling channel interface.…”

A novel driving principle by means of the parasitic motion of the microgripper and its preliminary application in the design of the linear actuator

“…1 Piezoelectric actuators as the most common type, play an important role in fields of precision and ultra-precision manufacturing, 2, 3 atomic force microscopy and scanning probe microscope, 4, 5 micro/nano mechanical tests, [6][7][8][9] microgrippers, [10][11][12] and so on.…”