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https://figshare.com/articles/Progressive_failure_monitoring_and_analysis_in_aluminium_by_in_situ_nondestructive_evaluation/9757892
Accepted (AM)CC BY-NC-ND V4.0, Open
Journal article
Progressive failure monitoring and analysis in aluminium by in situ nondestructive evaluation
Fatigue & fracture of engineering materials & structures, v 42(9), pp 2133-2145
01 Sep 2019
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Damage initiation and progression in precipitate hardened alloys are typically linked to the failure of second phase particles that result from the precipitation process. These particles have been shown to be stress concentrators and crack starters as a result of both particle debonding and fracture. In this investigation, a precipitate hardened aluminium alloy (Al 2024-T3) is loaded monotonically to investigate the role the particles have in the progressive failure process. The damage process was monitored continuously by combining the acoustic emission method either with in situ scanning electron microscopy or X-ray microcomputed tomography to obtain both surface and volume microstructural information. Particles were observed to fracture only in the elastic regime of the material response, while void growth at locations predominantly near particles were found to be associated with progressive failure in the plastic region of the macroscopic response. Experimental findings were validated by fracture simulations at the scale of particle-matrix interface.
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Details
- Title
- Progressive failure monitoring and analysis in aluminium by in situ nondestructive evaluation
- Creators
- Brian J. Wisner - Ohio University - LancasterPhilipp Potstada - University of AugsburgVignesh Perumal - Drexel UniversityKonstantinos P. Baxevanakis - Loughborough UniversityMarkus G. R. Sause - University of AugsburgAntonios Kontsos - Drexel University
- Publication Details
- Fatigue & fracture of engineering materials & structures, v 42(9), pp 2133-2145
- Publisher
- Wiley
- Number of pages
- 13
- Grant note
- N00014-14-1-0571 / Young Investigator Program
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Mechanical Engineering and Mechanics
- Web of Science ID
- WOS:000474017900001
- Scopus ID
- 2-s2.0-85068501619
- Other Identifier
- 991019168327204721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Engineering, Mechanical
- Materials Science, Multidisciplinary