Fracture static mechanisms on fatigue crack propagation in microalloyed forging steels

被引：0
|
作者：
Linaza, MA [1 ]
Rodriguez-Ibabe, JM [1 ]
机构：
[1] CEIT & ESII San Sebastian, San Sebastian 20018, Basque Country, Spain
来源：
JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY-TRANSACTIONS OF THE ASME | 2000年 / 122卷 / 02期
关键词：
D O I：
10.1115/1.482787
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The influence of static mechanisms on fatigue crack propagation in Ti and Ti-V microalloyed steals is considered Small inclusions originate void nucleation. In contrast, TiN coarse particles contribute to the formation of bursts of cleavage in the fatigue zone. Taking into account the microstructural characteristics of the matrix that surrounds the particle, the microcrack can be confined within the particle or propagate along the matrix forming a cleavage burst. The influence on macroscopic crack propagation of both types of static micromechanisms is considered. [S0094-4289(00)00902-6].
引用
收藏
页码：198 / 202
页数：5
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