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The correlation of stir zone texture development with base metal texture and tool-induced deformation in friction stir processing of severely deformed aluminum
, Article Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science ; Volume 48, Issue 1 , 2017 , Pages 188-197 ; 10735623 (ISSN) ; Kazeminezhad, M ; Miyashita, Y ; Kokabi, A. H ; Sharif University of Technology
Springer Boston
2017
Abstract
The texture development during friction stir processing (FSP) of 1050 aluminum severely deformed at the strain magnitude of 2.32 was comprehensively discussed. It was observed that the component B¯ of the ideal shear texture along with the cube texture was developed in the severely deformed base metal. The effects of base metal texture on the texture development of stir zone, thermo-mechanically affected zone, and heat-affected zone during FSP were examined. Also, the developed texture components in the vicinity of the FSP tool and the stir zone were correlated to the deformation induced by the rotating tool which consisted of pin and shoulder. The observed texture components in the...
Influence of SiC nanoparticles and saccharin on the structure and properties of electrodeposited Ni-Fe/SiC nanocomposite coatings
, Article Journal of Alloys and Compounds ; Volume 484, Issue 1-2 , 2009 , Pages 540-544 ; 09258388 (ISSN) ; Vaezi, M. R ; Nikzad, L ; Yazdani, B ; Sadrnezhaad, S. K ; Sharif University of Technology
2009
Abstract
In this study, Ni-Fe/SiC nanocomposite coatings with smooth and crack-free surface were successfully prepared by means of the conventional electrodeposition in the presence of saccharin in electrolyte. The goal of this work was to investigate the effect of SiC nanoparticles and saccharin on the structure and properties of permalloy nanocomposite coatings. The nanocomposite coatings were characterized using optical and scanning electron microscopy, energy dispersive X-ray (EDX) analysis and X-ray diffraction (XRD) technique. The significant variation in the crystallographic texture of the coatings was observed due to the addition of SiC nanoparticles and saccharin in the electrodeposition...