Deformation and fracture of α-β brass two-phase bicrystals at 150 K |
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| Authors: | Fat-Halla Nabil Takasugi Takayuki Izumi Osamu |
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| Affiliation: | (1) Metallurgical Engineering Department, Tohoku University, Sendai, Japan;(2) Present address: Mechanical Engineering Department, Al-Azhar University, Cairo, Egypt;(3) Research Institute for Iron, Steel and Other Metals, Tohoku University, Sendai, Japan |
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| Abstract: | The deformation up to fracture at 150 K was undertaken on α-β brass two-phase bicrystals. The variation of the slip systems during the proceeding deformation was studied and explained on the basis of incompatible stresses. The normal stress-strain curves were analyzed for various types of bicrystals and the bending that appeared in the specimens when unloaded was explained with respect to the occurrence of the Bauschinger effect in the α phase. Fracture modes other than those observed at room temperature were present. The results, and other minor problems, were discussed. |
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