Ultrahigh strength and toughness in W-Y2O3 alloy with bimodal and lamellar structures

Autor:	Lulu Li, Zhi Dong, Zongqing Ma, Chenxi Liu, Liming Yu, Yongchang Liu
Jazyk:	angličtina
Rok vydání:	2023
Předmět:	Nil ductility temperature mechanical properties bimodal structure lamellar structure Materials of engineering and construction. Mechanics of materials TA401-492
Zdroj:	Materials Research Letters, Vol 11, Iss 6, Pp 439-445 (2023)
Druh dokumentu:	article
ISSN:	21663831 2166-3831
DOI:	10.1080/21663831.2023.2181110
Popis:	Oxide dispersion strengthened tungsten (ODS-W) alloy was prepared by chemical method, conventional sintering and hot-rolling method, which breaks through the research bottleneck of preparing tungsten alloys with excellent comprehensive mechanical properties. More specifically, it can exhibit ultrahigh strength and superior toughness when tested at 200°C. In addition, the nil ductility temperature (NDT) can also dramatically decrease to 100–150°C. The bimodal structure formed by the uneven distribution of yttria and the lamellar structure formed by hot rolling in this ODS-W alloy provide a feasible way to develop other engineering materials with ultra-high strength and ductility.
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/ef9012512f3d454bab839739a9766311 Zobrazit plný text záznamu View record in DOAJ