Fracture toughness characterization of aluminum allay AA3003 using essential work of fracture concept

被引：0
|
作者：
Mebarki, H. [1 ]
Benguediab, M. [1 ]
Fekirini, H. [1 ]
Bouchouicha, B. [1 ]
Lebon, F. [2 ]
机构：
[1] Univ Djillali Liabes Sidi Bel Abbes, Dept Engn Mech, Sidi Bel Abbes, Algeria
[2] Aix Marseille Univ, Mech & Acoust Lab, Lab Mech & Acoust, Marseille, France
来源：
MATERIALS PHYSICS AND MECHANICS | 2023年 / 51卷 / 03期
关键词：
Aluminum alloy; Fracture Toughness; DENT specimen; essential work of fracture EWF; Friction Stir Welding; WELD HEAT-TREATMENT; MECHANICAL-PROPERTIES; FATIGUE PROPERTIES; FRICTION; BEHAVIOR; PARAMETERS; JOINTS; DEFORMATION;
D O I：
10.18149/MPM.5132023_12
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Lightening structures is one of the main challenges of the aviation industry today. Friction stir welding is an alternative to replace conventional assembly processes and reduce the mass of the structure. The mechanical behavior of this assembly must be determined to understand the failure mechanisms. The concept of fracture mechanics is often used to characterize the fracture of thin sheets. In this document, a global energy approach proposed to characterize the phenomenon of rupture and to determine experimentally the essential work of fracture in Aluminum Alloy welded by Friction Stir Welding process. The tests were carried out on DENT specimens welded by the process of friction stir welded and not welded specimens. The results obtained show that the not welded sheets show that the strength of the specimens welded by FSW has a low tear resistance compared to the welded specimens.
引用
收藏
页码：105 / 114
页数：10
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