Perbandingan Kekerasan dan Kekuatan Tekan Paduan Cu – Sn 6% Hasil Proses Metalurgi Serbuk dan Sand Casting
<p class="abstract"><span>Metal production by sand casting and powder metallurgy indicates the advantage of metal process technology. Bearing materials must have hardness and compressive strength properties to withstand wear and pressure load. Material porosity provides the spa...
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Universitas Muhammadiyah Yogyakarta
2016-05-01
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doaj-d4fcdea209ae4002a5819c269e55d2fd2020-11-25T03:48:00ZengUniversitas Muhammadiyah YogyakartaSemesta Teknika1411-061X2502-54812016-05-01112191198664Perbandingan Kekerasan dan Kekuatan Tekan Paduan Cu – Sn 6% Hasil Proses Metalurgi Serbuk dan Sand CastingTotok Suwanda0Muh Budi Nur Rahman1Deny Fajrur Ramdani2Universitas Muhammadiyah YogyakartaUniversitas Muhammadiyah YogyakartaUniversitas Muhammadiyah Yogyakarta<p class="abstract"><span>Metal production by sand casting and powder metallurgy indicates the advantage of metal process technology. Bearing materials must have hardness and compressive strength properties to withstand wear and pressure load. Material porosity provides the space for lubricant. The lubrication will decrease the friction and keep temperature low. Low friction and low temperature will increase the life time of bearing. The goal of this research is to compare the hardness, compressive strength, macrostructure and microstructure between Cu-Sn 6% alloy produced by sand casting and by powder metallurgy. During sand casting process, the metal was melted in the furnace and then poured in to the sand mold, whilst in the powder metallurgy process; the metal powder was compacted in the metal mould and then heated to a temperature below its melting point (sintering process). In this research, the powder was compacted at 200 MPa and then sintered at 800</span><span>°</span><span> C for 45 minutes. The observation of the microstructure showed that the Cu-Sn 6% alloy produced by powder metallurgy possessed more porosity</span><span>than produced by sand casting. The sand casting process produced the Cu-Sn 6% alloy with Brinell Hardness Number (BHN) of 47.97 kgf/mm<sup>2</sup> and compressive strength of 680.8 MPa. The powder metallurgy process produced the Cu-Sn 6% alloy with Brinell Hardness Number (BHN) of 27.08 kgf/mm<sup>2</sup> and compressive strength of 944.4 MPa.</span></p>https://journal.umy.ac.id/index.php/st/article/view/767sand casting, powder metallurgy, porosity, hardness, compressive strength |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Totok Suwanda Muh Budi Nur Rahman Deny Fajrur Ramdani |
spellingShingle |
Totok Suwanda Muh Budi Nur Rahman Deny Fajrur Ramdani Perbandingan Kekerasan dan Kekuatan Tekan Paduan Cu – Sn 6% Hasil Proses Metalurgi Serbuk dan Sand Casting Semesta Teknika sand casting, powder metallurgy, porosity, hardness, compressive strength |
author_facet |
Totok Suwanda Muh Budi Nur Rahman Deny Fajrur Ramdani |
author_sort |
Totok Suwanda |
title |
Perbandingan Kekerasan dan Kekuatan Tekan Paduan Cu – Sn 6% Hasil Proses Metalurgi Serbuk dan Sand Casting |
title_short |
Perbandingan Kekerasan dan Kekuatan Tekan Paduan Cu – Sn 6% Hasil Proses Metalurgi Serbuk dan Sand Casting |
title_full |
Perbandingan Kekerasan dan Kekuatan Tekan Paduan Cu – Sn 6% Hasil Proses Metalurgi Serbuk dan Sand Casting |
title_fullStr |
Perbandingan Kekerasan dan Kekuatan Tekan Paduan Cu – Sn 6% Hasil Proses Metalurgi Serbuk dan Sand Casting |
title_full_unstemmed |
Perbandingan Kekerasan dan Kekuatan Tekan Paduan Cu – Sn 6% Hasil Proses Metalurgi Serbuk dan Sand Casting |
title_sort |
perbandingan kekerasan dan kekuatan tekan paduan cu – sn 6% hasil proses metalurgi serbuk dan sand casting |
publisher |
Universitas Muhammadiyah Yogyakarta |
series |
Semesta Teknika |
issn |
1411-061X 2502-5481 |
publishDate |
2016-05-01 |
description |
<p class="abstract"><span>Metal production by sand casting and powder metallurgy indicates the advantage of metal process technology. Bearing materials must have hardness and compressive strength properties to withstand wear and pressure load. Material porosity provides the space for lubricant. The lubrication will decrease the friction and keep temperature low. Low friction and low temperature will increase the life time of bearing. The goal of this research is to compare the hardness, compressive strength, macrostructure and microstructure between Cu-Sn 6% alloy produced by sand casting and by powder metallurgy. During sand casting process, the metal was melted in the furnace and then poured in to the sand mold, whilst in the powder metallurgy process; the metal powder was compacted in the metal mould and then heated to a temperature below its melting point (sintering process). In this research, the powder was compacted at 200 MPa and then sintered at 800</span><span>°</span><span> C for 45 minutes. The observation of the microstructure showed that the Cu-Sn 6% alloy produced by powder metallurgy possessed more porosity</span><span>than produced by sand casting. The sand casting process produced the Cu-Sn 6% alloy with Brinell Hardness Number (BHN) of 47.97 kgf/mm<sup>2</sup> and compressive strength of 680.8 MPa. The powder metallurgy process produced the Cu-Sn 6% alloy with Brinell Hardness Number (BHN) of 27.08 kgf/mm<sup>2</sup> and compressive strength of 944.4 MPa.</span></p> |
topic |
sand casting, powder metallurgy, porosity, hardness, compressive strength |
url |
https://journal.umy.ac.id/index.php/st/article/view/767 |
work_keys_str_mv |
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