FRACTURE TEST OF ALUMINUM ALLOY PLATES WITH ELLIPTICAL HOLE

被引：0
|
作者：
Wang, W. Z. [1 ]
Su, R. Q. [2 ]
Ji, H. T. [3 ]
Wang, X. T. [1 ]
机构：
[1] Ningbo Univ, Ningbo, Zhejiang, Peoples R China
[2] Shanxi Railway Inst, Xian, Shaanxi, Peoples R China
[3] Lanzhou Univ Technol, Lanzhou, Gansu, Peoples R China
来源：
PROCEEDINGS OF THE 12TH INTERNATIONAL CONFERENCE ON INSPECTION APPRAISAL REPAIRS AND MAINTENANCE OF STRUCTURES, VOLS 1 AND 2 | 2010年
关键词：
aluminum alloy; plate with hole; crack; fracture mode; MECHANISMS;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
17 aluminum alloy plates with elliptical hole were tested in the simple tension fracture experiment. The load-displacement curves were recorded accurately. The effect of the ratio of the major axis to the minor axis of elliptical hole on the fracture ductility and fracture mode was studied. The experimental results showed that the macro-crack was initiated at the inner side of the edge of major axis of elliptical hole, and quickly expanded vertically the direction of loading until the specimen fractured. Fracture section was dark gray. Fracture mode was combination of shear and normal fracture. The smaller ratio value was; the higher the fracture ductility was. Fracture load located at the descending branch of load-displacement curve.
引用
收藏
页码：173 / +
页数：2
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