Enhanced grain refinement and mechanical properties of AZ91 alloy by a novel Al-5.1 V-2.3B refiner containing VB2 and VB particles

• Published in: Materials & design Vol. 225; p. 111474
• Main Authors: Fan, Wenxue, Bai, Yu, Zuo, Guoliang, Hao, Hai
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.01.2023; Elsevier
• Subjects: Al-V-B master alloy; AZ91 alloy; Grain refinement; Mechanical properties; Orientation relationship; Mechanical properties; AZ91 alloy; Orientation relationship; Al-V-B master alloy; Grain refinement

[Display omitted] •The growth mechanisms of VB2 and VB particles followed the principle of atomic adsorption and grew layer by layer.•The Al-5.1 V-2.3B grain refiner exhibited a remarkable grain refinement effect on both as-cast/as-extruded AZ91 alloys.•Mechanical properties of the as-cast/as-extrud...