Indentation Size Effect of Composite A356 + 6%FA Subjected to ECAP
Abstract
:1. Introduction
2. Materials and Methods
3. Results
3.1. Microstructure Analysis
3.2. Hardness Measurement
4. Discussion
5. Conclusions
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- It is possible to produce composite with A356 aluminum alloy matrix with FA reinforcement by the compo casting method.
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- Composite A356 + 6%FA can be machined by ECAP in a square tool and in several passes.
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- After each pass of ECAP, the microstructure of the composite is improved and FA is additionally incorporated into the matrix.
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- ECAP influences the hardness of the material intensively: after each ECAP pass, Vickers hardness is increased.
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- Applied load in the Vickers hardness test has an influence on the results, which can be well described by the mathematical model named Meyer’s law.
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- Dissipation of the hardness value for pressed samples generally decreases with increasing indentation load.
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- According to Meyer’s law and the acquired measurement results, the cast composite shows normal ISE, while samples machined with ECAP show reverse ISE-RISE.
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Sample | n | Log K | K (N mm−n) | R2 |
---|---|---|---|---|
0 | 1.9112 | 2.3084 | 203 | 0.9974 |
1 | 2.3321 | 3.0503 | 1123 | 0.9949 |
2 | 2.0674 | 2.7384 | 584 | 0.9995 |
3 | 2.0566 | 2.7658 | 583 | 0.9994 |
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Muslić, M.; Orešković, L.; Rede, V.; Maksimović, V. Indentation Size Effect of Composite A356 + 6%FA Subjected to ECAP. Metals 2022, 12, 821. https://doi.org/10.3390/met12050821
Muslić M, Orešković L, Rede V, Maksimović V. Indentation Size Effect of Composite A356 + 6%FA Subjected to ECAP. Metals. 2022; 12(5):821. https://doi.org/10.3390/met12050821
Chicago/Turabian StyleMuslić, Merima, Luka Orešković, Vera Rede, and Vesna Maksimović. 2022. "Indentation Size Effect of Composite A356 + 6%FA Subjected to ECAP" Metals 12, no. 5: 821. https://doi.org/10.3390/met12050821