11 articles in this issue
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M. N. Setia Nusa
Baut Pin atas pada klem sebagai koneksi ketiga kaki anjungan, yang berada didalam air laut mengalami kerusakan, patah dan terdapat korosi. Dilakukan penelitian untuk mengetahui penyebab terjadinya kerusakan baut tersebut dan mencari solusi agar kejadian t... see more
H. Agus Suhartono
The aim of the study is to investigate and to prove that the fatigue failure of steel is initiated from the surface. Hence the preventif action of smoothening the surface that has been loaded by fatigue loading is very important. The specimen of AISI 1045... see more
Jemie Muliadi,Endarmadi A. Prayitno,Heri T. Muryanto
The Agency for The Assessment and The Application of Technology (BPPT, Indonesia) has developed several UAV prototypes for various of mission. The missions to be accomplished were including military purposes and also civilian application. To validate the ... see more
Wibowo H Nugroho,Ahmad S. Mujahid
This technical study to predict the fatigue of the body structure made from material press submarine HY - 80. Because of the major operating expense that occurred on submarines that work is the hydrostatic load due to the nature of its operations. This re... see more
Sahlan .
The model system of a photographic using light-emiting dioda (LED) iluminator and a 35-mm rotating drum camera has ben developed for diagnosis of dynamic-tensile tests conducted with split tension bar. Back-lit photographs of deforming tensile samples are... see more
Wahyu Garinas
Ball clay quality are derived from within the country is very variety and generally rather difficult to get raw materials as needed. This research used ball clay from the West Kalimantan and West Java area.Ball clay is one of the most important raw materi... see more
Iwan Setyadi
Many attempts were made to improve the quality of ship components, in particular the ship's propeller made through little-midle industries of casting (IKM) in order to reduce dependence on imports and in order to increase local content for the national sh... see more
Eka Febriyanti,Amin Suhadi,Dedi Priadi,Rini Riastuti
casing because both processes have important role to derive raw material into the required form, dimensions and characteristics. Cu-Zn 70/30 alloy is raw material which normally used as munition casing however, its formability after deformation and heat t... see more