Paper
31 January 2013 A method for calibrating micro-force of nanoindentation instrument using laser interferometer
Dongmei Ren, Yu Wan, Zhenyu Zhu, Qiang Li
Author Affiliations +
Proceedings Volume 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation; 87594H (2013) https://doi.org/10.1117/12.2015100
Event: International Symposium on Precision Engineering Measurement and Instrumentation 2012, 2012, Chengdu, China
Abstract
A traceable method for potential use in calibrating the micro-force of nanoindentation instrument using a laser interferometer is proposed. The calibration system consists of a laser interferometer and a cantilever. The cantilever is used as force-sensing element, and the interferometer is used to measure the deformation of the cantilever caused by the force. When a force is applied to the free end of the cantilever, the cantilever is elastically deformed. If the system is calibrated for the relationship between the force and the resulting displacement, it can be used to measure the loading force of a nanoindentation instrument by measuring the displacement of the measurement point on the cantilever. The system calibration can be performed using a set of calibrated masses. The design, calibration and application of the force calibration system are introduced. The experiment results of measuring the forces of a nanoindentation instrument ranging from 10μN to 1mN using this method are given. Preliminary experiments and analysis show that the proposed method can be used to measure the micro-force of nanoindentation instrument. By use of this method, the measurement of the micro-force in nanoindentation instrument can be traced to SI units.
© (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Dongmei Ren, Yu Wan, Zhenyu Zhu, and Qiang Li "A method for calibrating micro-force of nanoindentation instrument using laser interferometer", Proc. SPIE 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation, 87594H (31 January 2013); https://doi.org/10.1117/12.2015100
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KEYWORDS
Calibration

Interferometers

Mirrors

Transducers

Optical testing

Magnesium

Imaging systems

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