On the development of a relation between fractal dimension and impact toughness

被引：18
|
作者：
Hilders, OA [1 ]
Pilo, D [1 ]
机构：
[1] UNIV SIMON BOLIVAR,DEPT MECH ENGN,CARACAS 1080A,VENEZUELA
来源：
MATERIALS CHARACTERIZATION | 1997年 / 38卷 / 03期
关键词：
D O I：
10.1016/S1044-5803(96)00148-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fractal characterization is an increasingly important method in fractography This paper presents the results of a study made on the relation between the fractal dimensional increment (D-f'), as measured by the slit island technique, and the impact toughness in a commercial medium-carbon ferrite-pearlite steel. Charpy V-notch samples with different thermomechanical treatments were tested at room temperature and demonstrated a positive relation between D-f' and the impact energy. This study includes consideration of fracture micromechanism factors for which D-f' cannot always be positively related. to the toughness. (C) 1997 Elsevier Science Inc., 1997.
引用
收藏
页码：121 / 127
页数：7
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