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Brian Cantor led a team that developed one of these materials consisting of an equal mixture of five first row transition metals. For 10 points each:
[10e] Name these materials said to be “high-entropy” or “multi-component” when they contain at least five different metals. More common two-component examples of these materials include bronze.
ANSWER: alloys [accept high-entropy alloys or multi-component alloys]
[10h] The Cantor alloy undergoes a phase separation into metallic and intermetallic phases, an example of a decomposition described by this term. The zero set of the second derivative of Gibbs free energy with respect to composition percentage defines a curve described by this term.
ANSWER: spinodal [accept spinodal decomposition or spinodal curve]
[10m] The “sluggish diffusion” effect in high-entropy alloys results from unequal lattice potential energies around the “vacancy” type of these sites. Other types of these sites may be classified as “substitutional” or “interstitial.”
ANSWER: point defects [or crystallographic point defects; accept vacancy defects or substitutional defects or interstitial defects]
<Arizona State, Physics>

EditionsHeardPPBEasy %Medium %Hard %
15614.11100%30%11%

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Conversion

TeamOpponentPart 1Part 2Part 3TotalParts
Columbia BPenn B1001020EM
Cornell BNYU B10101030EHM
George Washington BJohn Jay College100010E
Haverford ARutgers A100010E
Maryland AMaryland B100010E
NYU AHaverford B1010020EH
Yale AColumbia C100010E

Summary

TournamentEditionHeardPPBEasy %Medium %Hard %
Florida2025-02-01313.33100%33%0%
Great Lakes2025-02-01611.67100%17%0%
Lower Mid-Atlantic2025-02-01611.67100%17%0%
Midwest2025-02-01220.00100%50%50%
North2025-02-01310.00100%0%0%
Northeast2025-02-01520.00100%60%40%
Overflow2025-02-01516.00100%40%20%
Pacific Northwest2025-02-01215.00100%50%0%
Southeast2025-02-01415.00100%50%0%
UK2025-02-011012.00100%20%0%
Upper Mid-Atlantic2025-02-01715.71100%29%29%
Upstate NY2025-02-01313.33100%33%0%