The microstructure tailoring and property improving of directed energy deposited Al-Zn-Mg-Cu alloy modified with various Si and ZrO2 contents

• Published in: Materials characterization Vol. 188; p. 111896
• Main Authors: Li, Lanbo, Yuan, Tiechui, Yuan, Xiaoxing
• Format: Journal Article
• Language: English
• Published: Elsevier Inc 01.06.2022
• Subjects: Al-Zn-Mg-Cu alloy; Crack elimination; Directed energy deposition; Tensile properties; Crack elimination; Tensile properties; Directed energy deposition; Al-Zn-Mg-Cu alloy

Al-Zn-Mg-Cu alloys are traditional lightweight materials with extraordinary mechanical properties. Nevertheless, the manufacturing of Al-Zn-Mg-Cu alloys by directed energy deposition (DED) technique is still a tough problem since these alloys are prone to hot-cracking during the rapid solidification...