Pengaruh Kuat Arus Dan Besar Sudut Kampuh Terhadap Kekuatan Impact Dan Nilai Kekerasan Plat Baja Karbon Rendah Dengan Menggunakan Las SMAW

Soleh Abdul Aziz

Abstract


Abstract: Welding is welding that utilizes flame heat in electric arcs to melt electrodes and workpieces. SMAW welding is widely used because of its relatively easy to use, cost-friendly and maximum quality results. In conducting welding has several factors that will affect the quality of the welding results such as a welder, welding current and metal distance and welding seam angle. This study aims to determine whether there is an influence of current variations and magnitude of the seam angle to the value of the impact strength and the hardness value of the SMAW welding results. This study uses a pre-experimental method with a one-shot case model. The results of this study indicate the highest impact strength values of current variations in the 80 Ampere specimen at the angle of seam V 60o in the amount of 0.0799 J / mm2 and in the 80 Ampere specimen in the angle of the 80o V in the seam angle of 0.0942 J / mm2. Then for the highest impact strength value variation of seam angle V group of seam angle specimen V 80o current 80 Amperes is equal to 0.0942 J / mm2 and specimen angle of seam V 80o current 100 Ampere 0.0824 J / mm2. The highest hardness value is obtained with a variation of the current specimen group of 100 Ampere in the angle of seam V 60o that is equal to 187.1 HVN and in the specimen group 100 Ampere with the angle of contact V 80o that is equal to 204.4 HVN. Then the highest hardness value variation angle seam V specimen V 80o with current 80 Amperes is equal to 191.63 HVN and specimen angle of seam V 80o with 100 amperes current that is equal to 204.4 HVN.

 

KeyWords : SMAW, Welding current, V groove, Impact Strength, Hardness


Full Text:

Pdf

References


ASTM International (E23-16b) Standard Test Methods for Notched Bar Impact Testing of Metallic Materials. 2016

Cresswell, John W. 2016. Research Desain: Pendekatan Metode Kualitatif, Kuantitatif, dan Campuran. Yogyakarta: Pustaka Pelajar

Groover, Mikell P. 2010. Fundamentals of Modern Manufacturing Fourth Edition. New Jersey: John Wiley & Sons, Inc.

Hardiansyah, T. 2018. Pengaruh Variasi Kuat Arus dan Wire Feed Rate Pada Baja Karbon Rendah Terhadap Kekuatan Tarik Hasil Pengelasan GMAW. Skripsi Tidak Diterbitkan. Malang: Fakultas Teknik Universitas Negeri Malang

Huda, M., & Setiawan, F. 2016. Pengaruh Variasi Sudut Kampuh V dan Kuat Arus dengan Las Shielded Metal Arc Welding (SMAW) pada Baja A36 Terhadap Sifat Mekanik. Jurnal Ilmiah Teknik Mesin, 1–9

Jalil, S. A., & Rahayu, T. 2017. Analisa Kekuatan Impak Pada Penyambungan Pengelasan Smaw Material Assab 705 dengan Variasi Arus Pengelasan. 15, 58–63.

Kuntjojo. 2009. Metodologi Penelitian. Kediri

Suarsana. 2017. Ilmu Material Teknik. Program Studi Teknik Mesin Fakultas Teknik Universitas Udayana

Sugiyono. 2015. Metode Penelitian Kualitatif, Kuantitaif, dan R&D. Bandung: Alfabeta

Wiryosumarto, H, & Okumura, T . 2004. Teknologi Pengelasan Logam (Cetakan 9). Jakarta: PT Pradnya Paramita




DOI: http://dx.doi.org/10.17977/um054v3i2p53-63

Refbacks

  • There are currently no refbacks.


Alamat Editorial:
Pendidikan Teknik Mesin, Fakultas Teknik
Universitas Negeri Malang
Jl. Semarang No.5 Kota Malang 65145,
Phone. (0341) 551312 psw 298,
email: jtmp@um.ac.id
Website: http://journal2.um.ac.id/index.php/jtmp/index

E-ISSN 2623-1271

Creative Commons License

This work is licensed under a CC BY SA 4.0.