Strain rate effects on tensile strength of iron green bodies

被引：2
|
作者：
Nishida, Masahiro [1 ]
Kuroyanagi, Yuki [1 ]
Haggblad, Hans-Ake [2 ]
Jonsen, Par [2 ]
Gustafsson, Gustaf [2 ]
机构：
[1] Nagoya Inst Technol, Showa Ku, Gokiso Cho, Nagoya, Aichi 4668555, Japan
[2] Lulea Univ Technol, Div Mech Solid Mat, SE-97187 Lulea, Sweden
来源：
DYMAT 2015 - 11TH INTERNATIONAL CONFERENCE ON THE MECHANICAL AND PHYSICAL BEHAVIOUR OF MATERIALS UNDER DYNAMIC LOADING | 2015年 / 94卷
关键词：
NUMERICAL-ANALYSIS; CONCRETE; FRACTURE; CERAMICS; STRESS; TESTS; BARS;
D O I：
10.1051/epjconf/20159401069
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Impact tensile strength of iron green bodies with densities of 7.2 and 7.4g/cm(3) was examined by Brazilian test using the split-Hopkinson pressure bar (Kolsky bar) method. The powder material used for the experiments was a press-ready premix containing Distaloy AE, graphite, and lubricant. During dynamic compression, the failure behavior of specimens was observed using a high-speed video camera. The failure stress and failure behavior of dynamic compressive tests were compared with those of static compressive tests.
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页数：4
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