Use of Instrumented Charpy Impact Tests for the Determination of Fracture Toughness Values

被引：0
|
作者：
Herold, H. [1 ]
Streitenberger, M.
Cammarota, G. P. [2 ]
Casagrande, A. [2 ]
Morri, A. [2 ]
Garagnani, G. [3 ]
机构：
[1] Univ Magdeburg, Lehrstuhl Fugetech, D-39106 Magdeburg, Germany
[2] Univ Bologna, I-40126 Bologna, Italy
[3] Univ Ferrara, I-44100 Ferrara, Italy
来源：
PRAKTISCHE METALLOGRAPHIE-PRACTICAL METALLOGRAPHY | 2010年 / 47卷 / 01期
关键词：
NOTCHED BARS;
D O I：
10.3139/147.110051
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
There were many attempts to correlate Charpy absorbed energy with fracture parameters. Most of these gave empirical or semi-theoretical equations showing this correlation. In the present paper the dynamic yield strength is used to obtain the relation between Charpy V and K-IC. Comparison is made between three structural steels (1.0570 - 1.0511 - 1.8900) and the alloy Ti-Al6-V4. For the steels, fracture toughness experimental values are coherent with those based on data determined with the derived relation. For Ti-Al6-V4 the values deviate from each other, particularly at room temperature, when the contribution of alpha-phase is more important.
引用
收藏
页码：34 / 44
页数：11
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