Vol. 3 No. 1 (2020): Regular Issue

Research Article

• Porosity Defect Analysis in ST 37 Steel Welding Joints Using the Dye Penetrant Method

  Alan Wari, Hendri Nurdin, Kyaw Zay Ya

  1-8

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• The Variation Effect of Electric Current Toward Tensile Strength on Low Carbon Steel Welding with Electrode E7018

  Muhammad Agung Pratomo, Jasman Jasman, Nelvi Erizon, Yolli Fernanda

  9-16

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• Design of Hybrid Hull Ship by B-NINE TEAM to The National Unmanned Fast Boat Contest 2019

  Salmat Salmat, Arya Zulhendrik, Muhammad Iqbal Iski, Arifin Adli, Aulia Zulkanain Nasty

  17-21

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• Hardness Analysis of Stone Breaker Chisel Made of Medium Carbon Steel as a Result of Hardening Using Water Cooling Media

  Alan Novendra, Refdinal Refdinal, Sai Kham Le

  22-27

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• Effect of Spring Back on Formation Process of Sheet Metal Bending Plates

  Purwantono Purwantono, Nelvi Erizon, Nofri Helmi, Muhammad Akhbar, Muhibuddin Muhibuddin

  28-35

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