Location

Brunswick, ME

Start Date

1-1-1997 12:00 AM

Description

Earlier [1] we described an experimental procedure aimed at examining the spatial and temporal distribution of energy dissipation during crack initiation and propagation in a ductile polymer. The experiment combines a table-top tensile tester and an infrared imaging system. Because of the intense heating of the crack tip region, direct observation of the temperature rise not only provides an accurate measurement of the position of the crack tip, and thus the propagation velocity, but also much information for the analysis of plastic deformation, energy conversion, and evaluation of thermal properties of polymer materials. In the present paper, we will present an analysis of the energy balance in such measurements.

Book Title

Review of Progress in Quantitative Nondestructive Evaluation

Volume

16A

Chapter

Chapter 1: Standard Techniques

Section

Thermal Waves

Pages

365-369

DOI

10.1007/978-1-4615-5947-4_48

Language

en

File Format

application/pdf

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Jan 1st, 12:00 AM

Thermal Imaging for the Analysis of Energy Balance During Crack Propagation

Brunswick, ME

Earlier [1] we described an experimental procedure aimed at examining the spatial and temporal distribution of energy dissipation during crack initiation and propagation in a ductile polymer. The experiment combines a table-top tensile tester and an infrared imaging system. Because of the intense heating of the crack tip region, direct observation of the temperature rise not only provides an accurate measurement of the position of the crack tip, and thus the propagation velocity, but also much information for the analysis of plastic deformation, energy conversion, and evaluation of thermal properties of polymer materials. In the present paper, we will present an analysis of the energy balance in such measurements.