Dynamic fracture of the surface of an aluminum alloy under conditions of high-speed erosion

被引：1
|
作者：
Petrov, Yu. V. [1 ,2 ]
Atroshenko, S. A. [1 ,2 ]
Kazarinov, N. A. [2 ]
Evstifeev, A. D. [2 ]
Solov'ev, V. Yu. [2 ]
机构：
[1] Russian Acad Sci, Inst Problems Mech Engn, Bolshoi Pr 61, St Petersburg 199178, Russia
[2] St Petersburg State Univ, Univ Skaya Nab 7-9, St Petersburg 199034, Russia
来源：
PHYSICS OF THE SOLID STATE | 2017年 / 59卷 / 04期
基金：
中国国家自然科学基金; 俄罗斯基础研究基金会;
关键词：
SEVERE PLASTIC-DEFORMATION; HIGH-PRESSURE TORSION; MECHANICAL-PROPERTIES;
D O I：
10.1134/S1063783417040175
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The kinetics of fracture and deformation of the standard aluminum alloy AD1 and a similar alloy subjected to severe plastic deformation by high-pressure torsion under conditions of high-speed erosion has been investigated. It has been shown that, with an increase in the loading rate, the fraction of the brittle component on the fracture surface of the standard material, as well as the thickness of the damaged layer, increases more significantly than that for the material after the severe plastic deformation by high-pressure torsion. A relationship of the surface roughness of the material after the erosion with the loading rate and the thickness of the erosion-damaged layer has been established.
引用
收藏
页码：661 / 666
页数：6
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