Juliansyah, Sandro (2018) Pengaruh Perlakuan Panas Dengan Media Pcndingin Coolant Radiator Pada Ketangguhan Dan Kekerasan Pisau Mesln. Other thesis, Universitas Islam Riau.
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Abstract
This study aims to obtain the effect of tempering heat treatment on impact toughness and to obtain the effect of tempering heat treatment on hardness. This research was carried out by heating up to 8000C austenite temperature for 45 minutes and quenching with coolant radiator cooling media. Then tempering with temperature variations of 3000C, 4000C, 5000C for 2 hours, hardness testing, microstructure observation, impact testing (toughness) were carried out. The results of the test showed that the microstructure of the grass cutter bladewithout heat treatment was Pearlite and the grass cutting knife which was given tempering heat treatment 3000C, 4000C, 5000C for 2 hours was Pearlite (dask area). The value of hardness and impact toughness on grass cutting blades without heat treatment is40.3 HRC and 1.6192 J/mm2. Then the highest hardness value and the lowest impact price was in the 3000C temperingsample, 55.3 HRC and 0.1064 J/mm2. In the tempering sample 4000C the hardness value obtained and the impact price were 46.7 HRC and 0.2132 J/mm2. The lowest hardness value is in the 5000C sample which is 35.5 HRC, and theimpact resistance is 0.7592 J/mm
| Item Type: | Thesis (Other) |
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| Uncontrolled Keywords: | impact test, lawn mower, coolant radiator |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | > Teknik Mesin |
| Depositing User: | T Ida Adriani |
| Date Deposited: | 09 Dec 2021 03:30 |
| Last Modified: | 09 Dec 2021 03:30 |
| URI: | http://repository.uir.ac.id/id/eprint/4915 |
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