{"id":4172,"date":"2015-03-10T03:41:28","date_gmt":"2015-03-10T03:41:28","guid":{"rendered":"http:\/\/lib.itenas.ac.id\/kti\/?p=4172"},"modified":"2016-02-16T07:09:28","modified_gmt":"2016-02-16T07:09:28","slug":"pengaruh-parameter-post-weld-heat-treatment-terhadap-sifat-mekanik-lasan-dissimilar-metal-aisi-1045-dan-aisi-304","status":"publish","type":"post","link":"https:\/\/lib.itenas.ac.id\/kti\/?p=4172","title":{"rendered":"Pengaruh Parameter Post Weld Heat Treatment terhadap Sifat Mekanik Lasan Dissimilar Metal AISI 1045 dan AISI 304\t \u0007\u000b\f \b\f\u000e\u000f\u0006\u0004 \u0002\u0003\u0007\u0010\u0006\u0011\b\u0006\u0004\u000e\u0002\u0006\u0004\u0006\u0012\u000e\u0013\u0006\u000f\u0006\u000e\u0014\u0006\u0015\u0006\u000e\u0016\u0003\u0017\u0018 \u0017\u0019\u0007\u000e\u001a\u0003\u0007\t\u0006\u000f\u0006\u0013 \u0003\u0011\u0003\u0007\u0006\u0012\u0006\u0004\u000e\u000f\u0006\u0004\u000e\u001b\u001a\u0007\b\u0011\u001a\b\u0007\u000e\u001c \u0011\u0007"},"content":{"rendered":"

Proses penyambungan dua logam yang berbeda (dissimilar metal) seperti pengelasan AISI 304 dengan\u00a0AISI 1045 banyak dilakukan pada industri pembangkit tenaga, petrokimia, otomotif, dan perminyakan.\u00a0Perbedaan komposisi kimia, mampu las, sifat fisik dan mekanik kedua jenis logam yang akan dilas sangat\u00a0menentukan proses dan parameter pengelasan yang dipilih karena akan berdampak pada kualitas lasan\u00a0yang dihasilkan. Salah satu cara untuk memperbaiki kualitas lasan termasuk ketidakhomogenan fasa dan\u00a0sifat mekanik adalah dengan Post weld heat treatment (PWHT). Penelitian ini bertujuan untuk\u00a0mengetahui pengaruh parameter post weld heat treatment terhadap kualitas lasan pada pengelasan dua\u00a0jenis baja yang berbeda yaitu AISI 304 dan AISI 405. Metode pengelasan yang dipilih adalah submerge\u00a0arc welding dengan tiga variasi arus (80, 90 dan 100 Amper). Proses PWHT dilakukan melalui variasi\u00a0temperatur pemanasan yaitu 450 oC dan 1100 oC dengan waktu tahan masing-masing 4 dan 9 jam dan\u00a0variasi laju pendinginan. Indikator kualitas lasan ditentukan berdasarkan hasil analisa struktur mikro, uji\u00a0tarik dan kekerasan.\u00a0Hasil pengujian menunjukkan bahwa sampel lasan yang telah mengalami PWHT memiliki kualitas lasan\u00a0yang cukup baik, dan harga kekerasan tertinggi sebesar 238,5 VHN diperoleh pada sampel dengan\u00a0parameter arus las 100 amp dan PWHT dengan pemanasan pada 450 oC selama 4 jam dan pendinginan di\u00a0udara.<\/p>\n

Dibuat oleh :\u00a0Meilinda Nurbanasari, Djoko Hadiprayitno, Yulius Erwin Tandiayu<\/p>\n

E-mail:\u00a0 meilinda@itenas.ac.id<\/p>\n

Kata Kunci :\u00a0pengelasan, dissimilar metal, struktur mikro, kekerasan, kekuatan<\/p>\n

Keterangan : \u00a0Makalah ini\u00a0 dimuat pada Prosiding Seminar Inovasi Teknologi dan Rekayasa Industri 2014. Tanggal 26 Agustus 2014, Universitas Andalas, Padang. ISSN 2338-4867<\/p>\n

 <\/p>\n

Pengaruh Parameter Post Weld Heat Treatment terhadap\u00a0Sifat Mekanik Lasan Dissimilar Metal AISI 1045 dan AISI 304<\/a><\/p>\n

\u0002\u0003\u0004\u0005<\/p>\n

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\u0006\u0007\b<\/p>\n","protected":false},"excerpt":{"rendered":"

Proses penyambungan dua logam yang berbeda (dissimilar metal) seperti pengelasan AISI 304 dengan\u00a0AISI 1045 banyak dilakukan pada industri pembangkit tenaga, petrokimia, otomotif, dan perminyakan.\u00a0Perbedaan komposisi kimia, mampu las, sifat fisik dan mekanik kedua jenis logam yang akan dilas sangat\u00a0menentukan proses dan parameter pengelasan yang dipilih karena akan berdampak pada kualitas lasan\u00a0yang dihasilkan. Salah satu cara […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,4],"tags":[1774,1776,1777,1773,1775],"yoast_head":"\nPengaruh Parameter Post Weld Heat Treatment terhadap Sifat Mekanik Lasan Dissimilar Metal AISI 1045 dan AISI 304 \u0007\u000b \b \u000e\u000f\u0006\u0004 \u0002\u0003\u0007\u0010\u0006\u0011\b\u0006\u0004\u000e\u0002\u0006\u0004\u0006\u0012\u000e\u0013\u0006\u000f\u0006\u000e\u0014\u0006\u0015\u0006\u000e\u0016\u0003\u0017\u0018 \u0017\u0019\u0007\u000e\u001a\u0003\u0007 \u0006\u000f\u0006\u0013 \u0003\u0011\u0003\u0007\u0006\u0012\u0006\u0004\u000e\u000f\u0006\u0004\u000e\u001b\u001a\u0007\b\u0011\u001a\b\u0007\u000e\u001c \u0011\u0007 - Karya Tulis Ilmiah Itenas<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lib.itenas.ac.id\/kti\/?p=4172\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pengaruh Parameter Post Weld Heat Treatment terhadap Sifat Mekanik Lasan Dissimilar Metal AISI 1045 dan AISI 304 \u0007\u000b \b \u000e\u000f\u0006\u0004 \u0002\u0003\u0007\u0010\u0006\u0011\b\u0006\u0004\u000e\u0002\u0006\u0004\u0006\u0012\u000e\u0013\u0006\u000f\u0006\u000e\u0014\u0006\u0015\u0006\u000e\u0016\u0003\u0017\u0018 \u0017\u0019\u0007\u000e\u001a\u0003\u0007 \u0006\u000f\u0006\u0013 \u0003\u0011\u0003\u0007\u0006\u0012\u0006\u0004\u000e\u000f\u0006\u0004\u000e\u001b\u001a\u0007\b\u0011\u001a\b\u0007\u000e\u001c \u0011\u0007 - Karya Tulis Ilmiah Itenas\" \/>\n<meta property=\"og:description\" content=\"Proses penyambungan dua logam yang berbeda (dissimilar metal) seperti pengelasan AISI 304 dengan\u00a0AISI 1045 banyak dilakukan pada industri pembangkit tenaga, petrokimia, otomotif, dan perminyakan.\u00a0Perbedaan komposisi kimia, mampu las, sifat fisik dan mekanik kedua jenis logam yang akan dilas sangat\u00a0menentukan proses dan parameter pengelasan yang dipilih karena akan berdampak pada kualitas lasan\u00a0yang dihasilkan. 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