About this Abstract |
Meeting |
2024 TMS Annual Meeting & Exhibition
|
Symposium
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Advances in Multi-Principal Element Alloys III: Mechanical Behavior
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Presentation Title |
Ultra-High Temperature Mechanical Testing Above 1200°C |
Author(s) |
Syed Idrees Afzal Jalali, Michael Patullo, Sharon Park, Noah Phillips, Kevin J. Hemker |
On-Site Speaker (Planned) |
Syed Idrees Afzal Jalali |
Abstract Scope |
New classes of ultra-high temperature (UHT) materials, like multi-principal element alloys, are envisioned to push the operating temperature of engineering components to new records. While the pace of material discovery via alloy development is accelerating, characterization of these materials at ultrahigh temperatures is bottlenecked. Facilities for performing tensile tests on refractory alloys above 1200°C are still sparsely available, due to the need for sophisticated instrumentation and a controlled environment to minimize oxidation. Here we demonstrate a novel UHT testing system that relies on localized joule heating in a controlled environment. UHT strain mapping is accomplished with digital image correlation in the ultraviolet spectrum. As proof of concept, the tensile and creep properties of ATI C103 and WC3009 have been evaluated in high-vacuum and up to 2000°C. The results from these experiments are being used to develop a mechanistic understanding of the interplay between plasticity and creep at ultrahigh temperatures. |
Proceedings Inclusion? |
Planned: |
Keywords |
High-Entropy Alloys, High-Temperature Materials, |