منابع مشابه
Welding residual stresses in ferritic power plant steels
Many of the degradation mechanisms relevant to power plant components can be exacerbated by stresses that reside within the material. Good design or structural integrity assessments require therefore, an accounting of residual stresses, which often are introduced during welding. To do this it is necessary to characterise the stresses, but this may not be possible in thick components using non-d...
متن کاملNondestructive evaluation of residual stresses in case hardened steels by magnetic anisotropy measurements
This paper reports on a recent study aimed at developing the stress-induced magnetic anisotropy (SMA) technique for characterizing residual stresses in case hardened steel components. The results of SMA measurements performed on flat induction hardened steel discs with different case depths confirm the feasibility of detecting principal stress axes by measuring the angular variation of magnetic...
متن کاملResidual Stresses and Fatigue of Surface Treated Welied Specimens
An e x p e r i m e n t a l program was under t aken t o e v a l u a t e t h e e f f e c t of induced compress ive s t r e s s e s due t o v a r i o u s peen ing and t h e r m a l t r e a t m e n t s on t h e f a t i g u e l i f e of a b u t t welded medium s t r e n g t h s t e e l (Cb-50). R e s i d u a l s t r e s s e s were measured u s i n g x-ray d i f f r a c t i o n and t h e r e s u l t...
متن کاملEffect of Residual Stresses on Fatigue Strength of Severely Surface Deformed Steels by Shot Peening
The compressive stress distribution below the specimen surface of severely surface deformed steels by shot peening was investigated by using laboratory X-rays and high-energy X-rays from a synchrotron radiation source, SPring-8 in the Japan Synchrotron Radiation Research Institute. Medium carbon steel plates were heat treated in two different conditions. The Vickers hardness of material-A and B...
متن کاملResidual Stresses Measurement in Hollow Samples Using Contour Method
Residual stresses are created usually undesirably during manufacturing processes, including casting, welding, metal forming, etc. Residual stresses alone or in combination with other factors can cause the destruction and fracture of components or significant decline in their service life. Therefore, it is crucial to measure the residual stresses. Contour method is a destructive testing method c...
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ژورنال
عنوان ژورنال: Tetsu-to-Hagane
سال: 1961
ISSN: 0021-1575,1883-2954
DOI: 10.2355/tetsutohagane1955.47.7_936