Krstulović-Opar, Lovre and Surjak, Martin and Vesenjak, Matej and Tonković, Zdenko and Kodvanj, Janoš and Domazet, Željko (2015) Comparison of infrared and 3D digital image correlation techniques applied for mechanical testing of materials. = Comparison of infrared and 3D digital image correlation techniques applied for mechanical testing of materials. Infrared physics & technology, 73. pp. 166-174. ISSN 1350-4495. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. . Točan broj autora: 6.
Full text not available from this repository.Abstract
To investigate the applicability of infrared thermography as a tool for acquiring dynamic yielding in metals, a comparison of infrared thermography with three dimensional digital image correlation has been made. Dynamical tension tests and three point bending tests of aluminum alloys have been performed to evaluate results obtained by IR thermography in order to detect capabilities and limits for these two methods. Both approaches detect pastification zone migrations during the yielding process. The results of the tension test and three point bending test proved the validity of the IR approach as a method for evaluating the dynamic yielding process when used on complex structures such as cellular porous materials. The stability of the yielding process in the three point bending test, as contrary to the fluctuation of the plastification front in the tension test, is of great importance for the validation of numerical constitutive models. The research proved strong performance, robustness and reliability of the IR approach when used to evaluate yielding during dynamic loading processes, while the 3D DIC method proved to be superior in the low velocity loading regimes. This research based on two basic tests, proved the conclusions and suggestions presented in our previous research on porous materials where middle wave infrared thermography was applied.
| Item Type: | Article (["eprint_fieldopt_article_type_article" not defined]) |
|---|---|
| Keywords (Croatian): | Tensile test ; Bending test ; Middle wave infrared thermography ; Digital image correlation ; Aluminum alloy |
| Subjects: | TECHNICAL SCIENCE > Mechanical Engineering |
| Divisions: | 200 Department of Engineering Mechanics > 210 Chair of Mechanics and Strength of Materials 200 Department of Engineering Mechanics > 220 Chair of Experimental Mechanics |
| Indexed in Web of Science: | Yes |
| Indexed in Current Contents: | Yes |
| Citations JCR: | 7 (25.11.2016.) |
| Date Deposited: | 21 Mar 2016 11:39 |
| Last Modified: | 25 Nov 2016 07:18 |
| URI: | http://repozitorij.fsb.hr/id/eprint/5294 |
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