About this Abstract |
Meeting |
2022 TMS Annual Meeting & Exhibition
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Symposium
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Seeing is Believing -- Understanding Environmental Degradation and Mechanical Response Using Advanced Characterization Techniques: An SMD Symposium in Honor of Ian M. Robertson
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Presentation Title |
The Influence of Microstructural Anisotropy and Strain Rate on the Shear Response of 6061 And 7039 Aluminum Alloys |
Author(s) |
George T. Gray |
On-Site Speaker (Planned) |
George T. Gray |
Abstract Scope |
While the influence of crystallographic texture on metal plasticity has seen in-depth study over the last 40 years, the role of anisotropy (due to either textural or microstructural anisotropy) on shear deformation and fracture remains poorly understood. The development of predictive damage-evolution and fracture models, requires a detailed understanding of the correlated effects between microstructure and anisotropy since many engineered materials possess directional mechanical properties. A recent specimen geometry, the compact forced-simple-shear specimen (CFSS), has been developed and validated as a means to achieve simple shear testing of metals over a range of temperatures and strain rates. The 2-D plane of shear can be directly aligned along specified directional aspects of a material’s microstructure of interest. In this talk, the utility of the CFSS sample geometry to probe crystallographic / morphological anisotropy on the shear-strain response, damage evolution, and failure of various materials is discussed. |
Proceedings Inclusion? |
Planned: |
Keywords |
Characterization, Mechanical Properties, Aluminum |