Hybrid aluminium matrix composite AWJ turning using olivine and Barton garnet
| Autor: | Amit Rai Dixit, Ashish Srivastava, Akash Nag, Sergej Hloch, Petr Hlaváček, Dagmar Klichová, Jiří Ščučka, Josef Foldyna, Michal Zelenak |
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| Rok vydání: | 2017 |
| Předmět: |
0209 industrial biotechnology
Materials science Mechanical Engineering Abrasive Metallurgy Composite number 02 engineering and technology Surface finish 021001 nanoscience & nanotechnology Industrial and Manufacturing Engineering Computer Science Applications Matrix (geology) 020901 industrial engineering & automation Control and Systems Engineering visual_art Microscopy Aluminium alloy visual_art.visual_art_medium Mass flow rate 0210 nano-technology Software Body orifice |
| Zdroj: | The International Journal of Advanced Manufacturing Technology. 94:2293-2300 |
| ISSN: | 1433-3015 0268-3768 |
| DOI: | 10.1007/s00170-017-1036-0 |
| Popis: | The paper deals with the tangential abrasive water jet turning of hybrid aluminium matrix composite fabricated by electromagnetic stir casting technology, consisting A359 aluminium alloy as base matrix and 2% B4C and 2% Al2O3 as reinforcing particles with final workpiece diameter of 14.5 mm. The influence of abrasive mass flow rate within 100–400 g/min using two different abrasive grains—olivine and Barton garnet—was studied. Abrasive grains were fed to the water stream created by water orifice of diameter 0.33 mm at pressure level of 300 MPa and a stand-off distance 8 mm. Abrasive type and abrasive mass flow rate, as important technological factors, are evaluated, and topography of created surfaces is analysed using optical profilometry and microscopy methods. A diameter reduction of 25–30% was observed during the experiments. The lowest average roughness value of 6.64 μm was obtained using olivine grains at an abrasive mass flow rate of 400 g/min. The topographical detail of the machined surface revealed several cutting traces, grooves and furrows which show the ploughing nature. |
| Databáze: | OpenAIRE |
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