Scratch Testing of AlSi12/SiC<sub>p</sub> Composite Layer with High Share of Reinforcing Phase Formed in the Centrifugal Casting Process
The scratch test enables assessing the susceptibility of a material to the development of scratches and, being in some ways a measure of its abrasion resistance, allows extended knowledge in the field of material application usability, especially its machining capabilities. The aim of the study was...
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MDPI AG
2020-04-01
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| Series: | Materials |
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| Online Access: | https://www.mdpi.com/1996-1944/13/7/1685 |
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doaj-22862a0a9f6f43e681c9dd86be185aaf2020-11-25T02:33:48ZengMDPI AGMaterials1996-19442020-04-01131685168510.3390/ma13071685Scratch Testing of AlSi12/SiC<sub>p</sub> Composite Layer with High Share of Reinforcing Phase Formed in the Centrifugal Casting ProcessAnna Janina Dolata0Marek Mróz1Maciej Dyzia2Magdalena Jacek-Burek3Faculty of Materials Engineering, Department of Advanced Materials and Technologies, Silesian University of Technology, Krasińskiego 8, 40-019 Katowice, PolandDepartment of Foundry and Welding, Rzeszow University of Technology, Al. Powstańców Warszawy 12, 35-959 Rzeszów, PolandFaculty of Materials Engineering, Department of Advanced Materials and Technologies, Silesian University of Technology, Krasińskiego 8, 40-019 Katowice, PolandDepartment of Foundry and Welding, Rzeszow University of Technology, Al. Powstańców Warszawy 12, 35-959 Rzeszów, PolandThe scratch test enables assessing the susceptibility of a material to the development of scratches and, being in some ways a measure of its abrasion resistance, allows extended knowledge in the field of material application usability, especially its machining capabilities. The aim of the study was to assess the resistance of a centrifugally formed AlSi12/SiC<sub>p</sub> composite layer with a high share of reinforcing phase (V<sub>p</sub> > 40%) to scratching with a diamond indenter. The microstructure and effect of the load applied to the diamond indenter on the scratch depth and susceptibility of the composite layer to the nucleation and propagation of cracks in hard and brittle SiC particles were analyzed. A simple model of SiC<sub>p</sub> cracking depending on their size, shape (geometry), and orientation in relation to the direction of scratching has been proposed.https://www.mdpi.com/1996-1944/13/7/1685aluminum metal matrix compositessilicon carbide reinforcementcentrifugal castingcomposite layerscratch testing |
| collection |
DOAJ |
| language |
English |
| format |
Article |
| sources |
DOAJ |
| author |
Anna Janina Dolata Marek Mróz Maciej Dyzia Magdalena Jacek-Burek |
| spellingShingle |
Anna Janina Dolata Marek Mróz Maciej Dyzia Magdalena Jacek-Burek Scratch Testing of AlSi12/SiC<sub>p</sub> Composite Layer with High Share of Reinforcing Phase Formed in the Centrifugal Casting Process Materials aluminum metal matrix composites silicon carbide reinforcement centrifugal casting composite layer scratch testing |
| author_facet |
Anna Janina Dolata Marek Mróz Maciej Dyzia Magdalena Jacek-Burek |
| author_sort |
Anna Janina Dolata |
| title |
Scratch Testing of AlSi12/SiC<sub>p</sub> Composite Layer with High Share of Reinforcing Phase Formed in the Centrifugal Casting Process |
| title_short |
Scratch Testing of AlSi12/SiC<sub>p</sub> Composite Layer with High Share of Reinforcing Phase Formed in the Centrifugal Casting Process |
| title_full |
Scratch Testing of AlSi12/SiC<sub>p</sub> Composite Layer with High Share of Reinforcing Phase Formed in the Centrifugal Casting Process |
| title_fullStr |
Scratch Testing of AlSi12/SiC<sub>p</sub> Composite Layer with High Share of Reinforcing Phase Formed in the Centrifugal Casting Process |
| title_full_unstemmed |
Scratch Testing of AlSi12/SiC<sub>p</sub> Composite Layer with High Share of Reinforcing Phase Formed in the Centrifugal Casting Process |
| title_sort |
scratch testing of alsi12/sic<sub>p</sub> composite layer with high share of reinforcing phase formed in the centrifugal casting process |
| publisher |
MDPI AG |
| series |
Materials |
| issn |
1996-1944 |
| publishDate |
2020-04-01 |
| description |
The scratch test enables assessing the susceptibility of a material to the development of scratches and, being in some ways a measure of its abrasion resistance, allows extended knowledge in the field of material application usability, especially its machining capabilities. The aim of the study was to assess the resistance of a centrifugally formed AlSi12/SiC<sub>p</sub> composite layer with a high share of reinforcing phase (V<sub>p</sub> > 40%) to scratching with a diamond indenter. The microstructure and effect of the load applied to the diamond indenter on the scratch depth and susceptibility of the composite layer to the nucleation and propagation of cracks in hard and brittle SiC particles were analyzed. A simple model of SiC<sub>p</sub> cracking depending on their size, shape (geometry), and orientation in relation to the direction of scratching has been proposed. |
| topic |
aluminum metal matrix composites silicon carbide reinforcement centrifugal casting composite layer scratch testing |
| url |
https://www.mdpi.com/1996-1944/13/7/1685 |
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