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	<title>PENGARUH DEBIT PEMAKAIAN GAS ARGON SEBAGAI GAS  PELINDUNG TERHADAP POROSITAS DAN KEKERASAN  HASIL REMELTING ALUMINIUM BERBASIS  LIMBAH ALUMINIUM BEKAS | Hernady | Simetris: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer</title>
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			<meta name="keywords" content="peleburan aluminium; aluminium; degassing; gas argon" />
	
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	<meta name="DC.Contributor.Sponsor" xml:lang="id" content=""/>
	<meta name="DC.Creator.PersonalName" content="Dedy Hernady"/>
	<meta name="DC.Creator.PersonalName" content="Sodiran Sodiran"/>
	<meta name="DC.Date.created" scheme="ISO8601" content="2018-04-01"/>
	<meta name="DC.Date.dateSubmitted" scheme="ISO8601" content="2018-02-07"/>
	<meta name="DC.Date.issued" scheme="ISO8601" content="2018-04-24"/>
	<meta name="DC.Date.modified" scheme="ISO8601" content="2018-05-06"/>
	<meta name="DC.Description" xml:lang="id" content=" Gas argon sebagai gas  inert  banyak digunakan untuk proses  degassing treatment  pada peleburan aluminium. Fungsinya sebagai gas pelindung untuk meminimalkan  porositas  yang terjadi ketika aluminium cair menjadi padat.  Porositas  terjadi karena gelembung udara terjebak dalam aluminium cair sehingga mengakibatkan menurunnya kekuatan aluminium tersebut. Penelitian ini dilaksanakan untuk mengetahui berapa volume gas argon yang digunakan untuk kondisi langsung digunakan saat alumunium dipanaskan atau menunggu beberapa saat setelah aluminium mulai mencair. Karena gas argon harganya mahal maka penggunaan gas argon harus seefesien mungkin untuk menekan biaya produksi dalam proses pengecoran. Metode penelitian yang digunakan pada penelitian ini adalah menguji langsung proses peleburan aluminium tanpa gas pelindung, dan memakai gas pelindung dengan jeda waktu penyemprotan 10 menit, 15 menit dan 20 menit. Proses pengamatan  porositas  yang terjadi menggunakan uji SEM. Dari hasil penelitian diperoleh hasil untuk meleburkan aluminium dibutuhkan waktu kurang lebih 25 menit dan gas argon bisa digunakan 10 menit setelah aluminium dipanaskan. Penggunaan gas argon harus diatur sedemikian rupa sehingga menutupi permukaan aluminium cair. Debit gas argon yang cukup besar akan mengakibatkan gas argon banyak terbuang.  Porositas  yang terjadi dengan waktu jeda penggunaan gas argon 10 menit setelah aluminium di panaskan adalah sekitar 12,78%. "/>
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	<meta name="DC.Source.Volume" content="9"/>						<meta name="DC.Subject" xml:lang="id" content="peleburan aluminium"/>
								<meta name="DC.Subject" xml:lang="id" content="aluminium"/>
								<meta name="DC.Subject" xml:lang="id" content="degassing"/>
								<meta name="DC.Subject" xml:lang="id" content="gas argon"/>
				<meta name="DC.Title" content="PENGARUH DEBIT PEMAKAIAN GAS ARGON SEBAGAI GAS  PELINDUNG TERHADAP POROSITAS DAN KEKERASAN  HASIL REMELTING ALUMINIUM BERBASIS  LIMBAH ALUMINIUM BEKAS"/>
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        <meta name="citation_author" content="Dedy Hernady"/>
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        <meta name="citation_author" content="Sodiran Sodiran"/>
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		<em>Dedy Hernady</em>
								<br />Sekolah Tinggi Teknologi YBS Internasional Tasikmalaya		<br />Indonesia	</p>

	<p><p>Ketua Jurusan Teknik Mesin</p><p>Konsentrasi Teknik Otomotif</p><p>Sekolah Tinggi Teknologi YBS Internasional Tasikmalaya</p></p>
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		<em>Sodiran Sodiran</em>
								<br />Sekolah Tinggi Teknologi YBS Internasional Tasikmalaya		<br />Indonesia	</p>

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	<div id="articleTitle"><h3>PENGARUH DEBIT PEMAKAIAN GAS ARGON SEBAGAI GAS  PELINDUNG TERHADAP POROSITAS DAN KEKERASAN  HASIL REMELTING ALUMINIUM BERBASIS  LIMBAH ALUMINIUM BEKAS</h3></div>
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			      				      				Dedy Hernady      				         				<br>
      				      			      				      				Sodiran Sodiran      				         				<br>
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		<h4>Sari</h4>
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		<div><p>Gas argon sebagai gas <em>inert </em>banyak digunakan untuk proses <em>degassing treatment </em>pada peleburan aluminium. Fungsinya sebagai gas pelindung untuk meminimalkan <em>porositas </em>yang terjadi ketika aluminium cair menjadi padat. <em>Porositas </em>terjadi karena gelembung udara terjebak dalam aluminium cair sehingga mengakibatkan menurunnya kekuatan aluminium tersebut. Penelitian ini dilaksanakan untuk mengetahui berapa volume gas argon yang digunakan untuk kondisi langsung digunakan saat alumunium dipanaskan atau menunggu beberapa saat setelah aluminium mulai mencair. Karena gas argon harganya mahal maka penggunaan gas argon harus seefesien mungkin untuk menekan biaya produksi dalam proses pengecoran. Metode penelitian yang digunakan pada penelitian ini adalah menguji langsung proses peleburan aluminium tanpa gas pelindung, dan memakai gas pelindung dengan jeda waktu penyemprotan 10 menit, 15 menit dan 20 menit. Proses pengamatan <em>porositas </em>yang terjadi menggunakan uji SEM. Dari hasil penelitian diperoleh hasil untuk meleburkan aluminium dibutuhkan waktu kurang lebih 25 menit dan gas argon bisa digunakan 10 menit setelah aluminium dipanaskan. Penggunaan gas argon harus diatur sedemikian rupa sehingga menutupi permukaan aluminium cair. Debit gas argon yang cukup besar akan mengakibatkan gas argon banyak terbuang. <em>Porositas </em>yang terjadi dengan waktu jeda penggunaan gas argon 10 menit setelah aluminium di panaskan adalah sekitar 12,78%.</p></div>
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		<div>peleburan aluminium; aluminium; degassing; gas argon</div>
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									<a href="https://jurnal.umk.ac.id/index.php/simet/article/view/1992/1244" class="file" target="_parent">PDF</a>
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		<h4>Referensi</h4>
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							<p>-., 1990. Metallography and Microstructures, ASM Handbook, Volume 9, Ohio: ASM International.</p>
							<p>-., 1990. Properties and Selection Nonferrous Alloys and Special-Purpose Materials, ASM Handbook Volume 2, Ohio: ASM International.</p>
							<p>Amanto, H., Daryanto., 1999. Ilmu Bahan, Bumi Aksara, Jakarta.</p>
							<p>Arifin, Bustanul., 1998. Pengecoran Logam Non Ferro, Fakultas Teknik Universitas Indonesia, Jakarta</p>
							<p>Brown, John. R., 1999. Foseco Non-Ferrous Foundryman’s Handbook, 11th edition, Buttereorth Heinemann, Oxford.</p>
							<p>Callister., 2007. Materials Science and Engineering An Introduction, John Wiley &amp; Sons, Inc, New York.</p>
							<p>Dispinar, D.; Akhtar S.; Nordmark, A.; Di Sabatino M.; Arnberg, L, 2010. Degassing, Hydrogen and Porosity Phenomena in A356. Materials Science and Engineering A, (527) page 3719–3725</p>
							<p>Glasbrenner, 2000. Scale Structure of Aluminized F82H-mod after HIP Treatment. Elsevier</p>
							<p>Haghayeghi., R. Bahai., Kapranos, H., 2012. Effect of ultrasonic argon degassing on dissolved hydrogen in aluminium alloy, Materials Letters 82, hlm. 230–232.</p>
							<p>Hidayat, E. 2004. Teknik Peleburan I, Politeknik Manufaktur Ceper, Klaten.</p>
							<p>L. Amberg, L. Biickerud, and G. Chai. Solidification Characteristics of Aluminum AIIovs. Vol 3. Dendrite Coherency (American Foundrymen’s Society, Inc., 1996), page 115.</p>
							<p>Lei Zhao; Ye Pan; Hengcheng Liao; Qigui Wang, 2012. Degassing of Aluminum Alloys During Remelting. Materials Letters (66), page 328–331.</p>
							<p>Ren, Y. Wenhui, MA. Kuixian,Wei. Wenzhou,Yu. Kazuki,YD, 2014. Morita Degassing of aluminum alloys via the electromagnetic directional solidification.</p>
							<p>Surdia, Tata., Saito, S., 1995. Pengetahuan Bahan Teknik, Pradnya Paramita, Jakarta.</p>
							<p>Van Vlack., 2004. Ilmu dan Teknologi Bahan, Erlangga, Jakarta.</p>
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		DOI: <a id="pub-id::doi" href="https://doi.org/10.24176/simet.v9i1.1992">https://doi.org/10.24176/simet.v9i1.1992</a>																				
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