Electrical properties of Al-Si surface composites through surface mechanical alloying on severe plastic deformed Al substrates.
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| Title: | Electrical properties of Al-Si surface composites through surface mechanical alloying on severe plastic deformed Al substrates. |
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| Authors: | Ebrahim, M.R.1 (AUTHOR) mr.ebrahim@nrc.sci.eg, Labeeb, Ahmad M.1,2 (AUTHOR), Battisha, Inas1 (AUTHOR) |
| Source: | Journal of Alloys & Compounds. Oct2023, Vol. 961, pN.PAG-N.PAG. 1p. |
| Subjects: | Surface properties, Dielectric properties, Dielectric loss, Permittivity, Plastics, Mechanical alloying |
| Abstract: | Surface mechanical alloying 'SMA' with Si powder on Al was used to achieve surface composite with improved dielectric properties compared with coarse-grained and annealed Al composites. Measured Dielectric constant ε', dielectric loss ε" and Capacitance CμF versus increasing frequencies (105-108 Hz) exhibit a frequency dependent behavior of composite containing Al-Si solid solution in a voltage range from 0.1 to 0.5 V at room temperature. Found that an increase of Si content in surface composite results in ε, tan δ & C increase due to formed solid solutions between Al & Si after SMA on pre-severe plastic deformed Al substrates. Concluding the important role played by the severe plastic deformed microstructure of Al electrode in controlling dielectric properties of Al surface containing Al-Si composite. [Display omitted] • Al-Si surface Composites through Surface Mechanical Alloying. • Al-Si mechanical Alloying on Severe Plastic Deformed Al. • Electrical Properties of surface alloyed Al-Si. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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