An investigation of fatigue crack growth in Inconel 718

被引：0
|
作者：
Mercer, C [1 ]
Soboyejo, ABO [1 ]
Soboyejo, WO [1 ]
机构：
[1] Ohio State Univ, Dept Mat Sci & Engn, Columbus, OH 43210 USA
来源：
HIGH CYCLE FATIGUE OF STRUCTURAL MATERIALS | 1997年
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D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This micromechanisms of fatigue crack growth are evaluated for Inconel 718 (a nickel-based turbine disc alloy), Micromechanisms of long crack growth are determined via detailed scanning and transmission electron microscopy analysis. The significant role of monotonic fracture modes is also discussed for crack growth in the high Delta K regime. Crack growth laws are also proposed that describe the fatigue behavior for each of the micromechanisms of fatigue crack growth observed in this alloy.
引用
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页码：269 / 285
页数：17
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