NSF award 2543792 · Colorado School of Mines

CAREER: Unraveling Secondary Phase-Dislocation Interactions to Overcome Embrittlement in Ultrahigh-Strength Martensitic Steels Under Dynamic Loading

Final report due

28 November 2031

in 1,867 days · The award ends on 31 July 2031.

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Decide about an extension2 Apr 2031in 1627 days
award ending 2031-07-31 · Research.gov
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Extension request16 Jun 2031in 1702 days
award ending 2031-07-31 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 Jul 2031in 1737 days
award ending 2031-07-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due28 Nov 2031in 1867 days
award ending 2031-07-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due28 Nov 2031in 1867 days
award ending 2031-07-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out28 Nov 2031in 1867 days
award ending 2031-07-31 · Research.gov
PAPPG 24-1: “financially closed out 120 days after their expiration date”

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NSF lists this award's end date as 31 July 2031.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 28 November 2031.

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Award card

Award number: 2543792
Period of support: 1 Aug 2026 – 31 Jul 2031
Amount: $747,848
Awardee: Colorado School of Mines, Golden, CO
Program: METAL & METALLIC NANOSTRUCTURE
Directorate: MPS

Abstract

NON-TECHNICAL SUMMARY: Ultrahigh-strength steels are among the strongest of materials used in defense, construction, transportation, and energy infrastructure applications. However, they can become unexpectedly brittle after specific heat treatments or when subjected to high-rate or dynamic impact conditions (e.g. crash events and high-speed forming). This brittleness limits their broader use and often forces…

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