High-speed infrared thermal measurements of impacted metallic solids

被引：10

作者：

Nieto-Fuentes, J. C. ^{[1
]}

Osovski, S. ^{[2
]}

Rittel, D. ^{[2
]}

机构：

[1] Univ Carlos III Madrid, Dept Continuum Mech & Struct Anal, Madrid 28911, Spain

[2] Technion, Fac Mech Engn, IL-32000 Haifa, Israel

来源：

METHODSX | 2020年 / 7卷

关键词：

Taylor-Quinney factor; Thermomechanics; High-rate deformation; Kolsky bar; PLASTIC WORK; THERMOMECHANICAL CHARACTERIZATION; STRAIN; HEAT; DETECTORS; FAILURE; ENERGY; MODEL;

D O I：

10.1016/j.mex.2020.100914

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The methodology used to measure transient temperature changes in impacted solids, using high-speed infrared detectors, is presented and discussed thoroughly. The various steps leading to a reliable measurement, namely selection of the sensing device, calibration of the setup, interfacing with the impact apparatus (Kolsky bar), and data reduction are presented. The outcome of the above methodology is illustrated in terms of the Taylor-Quinney factor, a well-known measure of the efficiency of the thermomechanical conversion. Selection of infrared detectors. Importance of the calibration procedure. Determination of the Taylor-Quinney factor. (C) 2020 The Author(s). Published by Elsevier B.V.

引用

页数：9

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