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ANALISA KEKUATAN TARIK HASIL SAMBUNGAN LAS SMAW DENGAN JARAK KAMPUH DAN ARUS …
The research uses an experimental method which includes the welding process, which varies the seam distance and the current at the time of welding, then a tensile test is carried out. The variation of the seam distance used is 2 mm and 3 mm and also the current that is varied is 70, 80, 90 amperes. The welding process was carried out on ST 40 steel. There were 6 specimens made, including 3 spec…
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- xiv, 89 hlm.; ilus.; 29 cm
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- T939132023
PENGARUH PENGELASAN TERHADAP KOROSI DI BAWAH ISOLASI DENGAN MEDIA AIR LAUT DA…
Korosi adalah penurunan kualitas logam yang disebabkan oleh reaksi oksidasi dan reduksi dengan lingkungan. Korosi di bawah isolasi adalah korosi eksternal dari pipa dan bejana baja tahan karat yang disebabkan oleh penetrasi air di bawah lapisan luar atau isolasi. Korosi dapat terbentuk pada permukaan pelat maupun area sambungan las yang dipengaruhi oleh media korosi dan proses pengelasan. Penel…
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- xxvii, 68 hlm.; Ilus.; 29 cm
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- T1291792023
EFEK PREHEATING TREATMENT PADA PENGELASAN BAJA KARBON DAN STAINLESS STEEL MEN…
This research aims to analyse the effect of preheating treatment on the toughness of welding results between carbon steel AISI 1037 and stainless steel AISI 304 using shield metal arch welding. The temperatures used are non, 150oC, 200oC, 250oC and 300oC with preheating treatment time of 15 minutes/temperature. From the charpy impact test, it was found that the energy absorbed by the material w…
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- xxix, 80 hlm.; Ilus.; 29 cm
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- T1128322023
EFEK POST WELD HEAT TREATMENT PADA SAMBUNGAN LAS TAK SEJENIS SMAW AUSTENITIC …
One way to improve weld quality including phase inhomogeneity and mechanical properties is Post weld heat treatment (PWHT). This study aims to determine the effect of Post Weld Heat Treatment parameters on weld quality in welding two different types of steel namely AISI 304 and AISI 1037. The welding method chosen is Shielded Metal Arc Welding (SMAW). Heat treatment is applied to specimens with…
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- xxxi, 94 hlm.; Ilus.; 29 cm
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- T1125332023
ANALISIS KEKUATAN SAMBUNGAN LAS SMAW (SHIELDED METAL ARC WELDING) BAJA KARBON…
Kemajuan dibidang kontruksi baja, maka perlu didukung adanya teknologi yang rasional dan mendukung serta peningkatan kualitas konstruksi baja. Pengelasan adalah proses penyambungan logam. Las smaw adalah bentuk pengelasan berselaput parameter arus digunakan yaitu 110 amper, 120 amper dan 130 amper, elektroda Filler Metal RD 260 Nikko Steel 2,6 mm.metode penelitian membaca buku tentang yang dite…
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- xix, 58 hlm.; ilus.; 29 cm
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- T784722022
PENGARUH PENGATURAN VARIASI ARUS LAS TERHADAP HASIL PENGUJIAN KEKERASAN DAN L…
This study analyzes the effect of setting variations in welding current on the hardness and corrosion rate of iron plate. The contribution of this research is to know the results of hardness testing with or without treatment and the corrosion rate with immersion times of 6, 12 and 18 hours. To validate the results, the plate model was treated with no treatment while the corrosion rate of the pl…
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- xxi, 45 hlm,: ilus.; 29 cm
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- T551022021
PENGARUH KECEPATAN PUTARAN DAN POST WELD HEAT TREATMENT TERHADAP KEKUATAN SAM…
Pengelasan merupakan sebuah proses teknik penyambungan material logam untuk mencairkan sebagian logam pengisi dan logam induk dengan tekanan atau tanpa tekanan, dengan atau tanpa logam tambahan yang menciptakan hasil sambungan las kontinu, ditujukan untuk merakit (assembly) beberapa komponen menjadi satu bentuk mesin. Salah satu pengelasan yang tidak menggunakan logam pengisi (filler) adalah pe…
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- xxix, 57 hlm.: tab.; ilus.; 29 cm
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- T513582021
PENGARUH PRE-HEAT PADA PENGELASAN DISSIMILAR ANTARA BAJA KARBON RENDAH DAN TI…
The analysis on this study aims to determine the effect of preheating on welding with ASTM A36 and ASTM A6 steel plate materials. Dissimilar steel plate are partially formed in a single-v groove. Then the preheat treatment is given to the specimen before the welding process starts at a temperature of 500 oC. The inspection results on few areas with dye-penetrant showed discontinuities and metal…
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- xxxi, 55 hlm,: ilus.; 29 cm
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- T508292021
KARAKTERISASI PENYAMBUNGAN STAINLESS STEEL AUSTENITIC TYPE 304 DAN HSLA AISI …
Friction welding merupakan teknik pengelasan yang termasuk dalam solid state welding bertujuan untuk menyambungkan kedua komponen, pada pengujian yang dilakukan akan menyambungkan kedua logam berbeda jenis (Dissimilar Metals), dengan bantuan mesin bubut dengan parameter kecepatan putaran 700 RPM, 900 RPM, dan 1100 RPM dan akan dilakukan pengujian, XRF, Bending, Mikrostruktur, dan SEM EDS, dari …
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- xxix, 59 hlm. : ilus. ; 29 cm
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- T508322021
ANALISIS TEGANGAN SISA PADA PENGELASAN MATERIAL PIPA API 5L Gr B DENGAN METOD…
This study aims to conduct welding modeling on API 5L Gr B pipe material in order to analyze the residual stress that occurs when welding API 5L Gr B pipe material. To do this, two softwares are used, namely JMatPro and Abaqus 2017, JMatpro software is used to find several parameters. tests such as: Young's modulus, density, flow stress, thermal conductivity, expansion coeff, and specific heat …
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- xxvii, 53 hlm : ilus. ; 29 cm
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- T508472021
ANALISIS TEGANGAN SISA PADA PENGELASAN MATERIAL PRESSURE VESSEL SA-516 Gr.70 …
At the time of welding it will definitely cause residual stresses, if this is ignored it will result damage and decrease the service life of the material. This study was conducted to predict and analyze estimation of the residual stress that occurs during welding, and still few studies that discuss the residual stress analysis on the SA-516 Gr 70. the modeling was made using abaqus software and…
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- xxvii, 49 hlm. : ilus. ; 29 cm
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- T507762021
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