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

Lulu Li; Zhi Dong; Zongqing Ma; Chenxi Liu; Liming Yu; Yongchang Liu

doi:10.1080/21663831.2023.2181110

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

Original Reports | 更新时间：2026-08-19

- Ultrahigh strength and toughness in W-Y2O3 alloy with bimodal and lamellar structures
- Materials Research Letters Vol. 11, Issue 6, Pages: 439-445(2023)
- 作者机构：
  
  State Key Lab of Hydraulic Engineering Simulation and Safety School of Materials Science and Engineering Tianjin University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2023.2181110
  CLC：
- Online First：21 February 2023，
  
  Published：2023
- 稿件说明：
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Lulu Li, Zhi Dong, Zongqing Ma, et al. Ultrahigh strength and toughness in W-Y2O3 alloy with bimodal and lamellar structures[J]. Materials Research Letters, 2023, 11(6): 439-445.
DOI：

Lulu Li, Zhi Dong, Zongqing Ma, et al. Ultrahigh strength and toughness in W-Y2O3 alloy with bimodal and lamellar structures[J]. Materials Research Letters, 2023, 11(6): 439-445. DOI： 10.1080/21663831.2023.2181110.

摘要

Abstract

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.

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Related Institution

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a Multidisciplinary Research Center – Cardinal Stefan Wyszynski University in Warsaw Warsaw Poland

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