Use of Direct Optical Heterodyning for Measuring Hardness by the Leeb Method


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In this paper, we describe a portable system for measuring the indenter velocity in hardness meters implemented according to the Leeb method. The developed system is a fiber interferometer, in which a radiation source is a semiconductor laser with a wavelength of 1550 nm. The presented experimental results confirm the ability of the system to measure indenter velocities with an uncertainty of 0.001 m/s, which satisfies the requirements of the standards for this method of measuring hardness.

作者简介

T. Kazieva

National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)

Email: glizerogen@gmail.com
俄罗斯联邦, Moscow, 115409

K. Gubskii

National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)

Email: glizerogen@gmail.com
俄罗斯联邦, Moscow, 115409

A. Kuznetsov

National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)

Email: glizerogen@gmail.com
俄罗斯联邦, Moscow, 115409

R. Glukhov

National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)

编辑信件的主要联系方式.
Email: glizerogen@gmail.com
俄罗斯联邦, Moscow, 115409

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