| Autor: |
Kunkun Fu, Xianghai An, Li Chang, Leigh Sheppard, Chunhui Yang, Hongjian Wang, Lin Ye |
| Předmět: |
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| Zdroj: |
Journal of Physics D: Applied Physics; 9/13/2017, Vol. 50 Issue 36, p1-1, 1p |
| Abstrakt: |
Nanostructured Ti/Al multilayers with individual layer thicknesses of 10 nm and 100 nm were fabricated using a direct current magnetron sputtering system. The results showed that the Ti/Al multilayer with λ = 10 nm exhibited ultra-high specific strength of 658.9 kN · m kg−1, greater than that with λ = 100 nm and other existing multilayers. Such high specific strength of the Ti/Al multilayers endows them with strong potential for aerospace application. Moreover, depending on the stress concentration and barrier strength of the interface, layers of multilayer with λ = 10 nm buckled severely, accompanied by the occurrence of pop-in, while a localized shear band formed in the multilayer with λ = 100 nm. We also found that the occurrence of layer buckling had an effect on the hardness trend. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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