UNS S32205 Duplex Stainless Steel SED-critical radius characterization

被引：0
作者：
Ferro, P. [1 ]
Berto, F. [2 ]
Tang, K. [3 ]
机构：
[1] Univ Padov, Dept Engn & Management, Vicenza, Italy
[2] NTNU, Dept Engn Design & Mat, Trondheim, Norway
[3] Tongji Univ, Sch Aerosp Engn & Appl Mech, Shanghai, Peoples R China
来源：
METALLURGIA ITALIANA | 2020年 / 112卷 / 09期
关键词：
DUPLEX STAINLESS STEEL; FATIGUE; STRAIN ENERGY DENSITY; MICROSTRUCTURE; NOTCH STRESS INTENSITY; FATIGUE-STRENGTH ASSESSMENT; PITTING CORROSION; WELDED-JOINTS; ASSESSMENTS; COMPONENTS; BEHAVIOR;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
In the local strain energy density approach, the fatigue strength of notched components, like welded joints, is quantified by the value of the strain energy density averaged over a control volume of radius Rc near the singularity-dominated zone. Rc is a material dependent parameter. Unfortunately, the characterization of such parameter is far from being fast and simple because it requires different fatigue tests on notched and un-notched specimens. For this reason, a complete database of Rc values corresponding to different materials is still lacking in literature. This work is aimed at quantifying the Rc value of the SAF 2205 (UNS S32205, EN 10083-3 (steel number 1.4462)) duplex stainless steels by means of fatigue tests and metallurgical analyses.
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收藏
页码：29 / 38
页数：10
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