A method to calibrate a specimen with strain gauges to measure force over the full-force range in high rate testing

Issue		DYMAT 2009 Volume 1, 2009 DYMAT 2009 - 9th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading


Page(s)		265 - 273
Section		Experimental Techniques
DOI		http://dx.doi.org/10.1051/dymat/2009036
Published online		15 September 2009

DYMAT 2009 (2009) 265-273
DOI: 10.1051/dymat/2009036

A method to calibrate a specimen with strain gauges to measure force over the full-force range in high rate testing

P.K.C. Wood¹, C.A. Schley¹, M. Williams¹, R. Beaumont¹, A. Rusinek², U. Mayer³ and A. Pearce⁴

¹ IARC, University of Warwick, Central Campus, Coventry, CV4 7AL, UK
² LABPS, National Engineering School of Metz, Ile du Saulcy 57045, Metz Cedex 1, France
³ Materialpruefungsanstalt Universitaet Stuttgart, Pfaffenwaldring 32, Stuttgart, Germany
⁴ Instron, Coronation Rd, High Wycombe, HP12 3SY, UK

Published online: 15 September 2009

Abstract
This paper investigates a new method to calibrate a tensile specimen with strain gauges to measure force over the full range of loading at intermediate strain rate for use in high rate testing. This paper investigates both new and current force calibration methods to determine the best position to place strain gauges to achieve a consistent high accuracy in force measurement. Numerical modelling supports the investigations herein although extensive lab testing at the IARC suggests confidence in the findings.

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