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The phosphorus effect on the superplastic deformation of NiAl |
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| Authors: | J Zhou J T Guo |
| Affiliation: | Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China |
| Abstract: | The P effect on the superplastic deformation of NiAl has been investigated. It is shown that P segregates to grain boundaries and the segregation has profound influence on the high temperature tensile properties of the NiAl alloy. The segregation retards dynamic recovery and recrystallization that leads to a decrease in elongation and enhancement in cavitation compared with the stoichiometric NiAl. Therefore, the P has harmful effect on the superplastic deformation of NiAl. |
| Keywords: | NiAl Intermetallic compound P Microstructure Superplastic deformation |
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