Dislocation exhaustion and ultra-hardening of nanograined metals by phase transformation at grain boundaries

Autor: Shangshu Wu, Zongde Kou, Qingquan Lai, Si Lan, Shyam Swaroop Katnagallu, Horst Hahn, Shabnam Taheriniya, Gerhard Wilde, Herbert Gleiter, Tao Feng
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Nature Communications, Vol 13, Iss 1, Pp 1-8 (2022)
Druh dokumentu: article
ISSN: 2041-1723
DOI: 10.1038/s41467-022-33257-1
Popis: Strengthening of metals by grain refinement is limited by the inverse Hall-Petch effect. Here, the authors show nanograined metals can be strengthened by exhausting lattice dislocations via triggering of phase transformation at grain boundaries, instead of further grain refinement.
Databáze: Directory of Open Access Journals