Relationship between spall characteristics and the dimension of fractal fracture structures

被引：4
|
作者：
Barakhtin, B. K. [1 ]
Savenkov, G. G. [2 ]
机构：
[1] Prometei Cent Res Inst Struct Mat, St Petersburg 191015, Russia
[2] Poisk Res Inst, Murino 188662, Leningrad Reg, Russia
来源：
JOURNAL OF APPLIED MECHANICS AND TECHNICAL PHYSICS | 2009年 / 50卷 / 06期
关键词：
mesodefect; fractal; spall; fracture time; spall strength;
D O I：
10.1007/s10808-009-0130-y
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The effect of the fractality of a fracture surface and spall contour on the characteristics [fracture time (strength) and spall strength] of the loaded material is studied. It is shown that an increase in the fractal dimensions of the spall contour leads to an increase in the material strength parameter in the tensile wave and spall strength, whereas an increase in the fractal dimension of the fracture surface leads to a decrease in the spall strength. As an example, the spall strength is calculated taking into account the fractality of the fracture surface for Sp. 28 steel.
引用
收藏
页码：965 / 971
页数：7
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