Geopolymer concrete is a type of concrete in which the use of portland cement as a binder in the concrete mix can be partially or completely replaced with coal combustion waste such as fly ash. An …
The growth and development of the global economy makes a significant contribution resulting in increasingly uncontrolled disposal of wastewater which results in increasing environmental problems as…
Sandwich panels were created to achieve optimal weight efficiency with high rigidity and strength. The main factor in Sandwich Panel material is the lightweight core, which reduces the specific gra…
This research is an experimental research with the aim of knowing the effect of quenching heat treatment on inorganic rust retardants from various oil solutions on the corrosion rate of ST 37 steel…
This study aims to determine the effect of cutting parameters on screw geometry in the turning process. Data was collected using descriptive analysis techniques. The results showed that the differe…
Zat tanin merupakan salah satu jenis inhibitor yang dapat digunakan untuk menghambat laju korosi, salah satu jenis inhibitor alami yaitu teh. Inhibitor yang digunakan dalam penelitian ini ada dua j…
Corrosion is material damage due to electrochemical reactions between the material and its environment. This study used medium carbon steel A36 as a test specimen, mango Mangifera foetida leaves as…
Metode penelitian yang digunakan pada penelitian ini adalah metode eksperimen yang bertujuan untuk menguji pengaruh dari media pendingin Tubeless tire fluid terhadap laju korosi yang telah melalui …
The stainless steel material reservoir tube can produce combustion steam from the heating furnace which can be used as quality in knife tools. The research objective was to determine the effect of …
Normalizing is the process of heating steel to the austenite phase, and cooling it in open air to 27°C. Thus causing the structure in the material to change initially due to loading. In this study…
Steel is a metal alloy whose main component is iron with carbon as the main alloying agent. Medium carbon steel is a metal that is often used in the manufacture of construction machinery, in this c…
Exergy analysis is the first step in optimizing a system by knowing the level of efficiency and the irreversibility value of a component, involving the first law and second law of thermodynamics so…
Cases of bone damage due to disease, incidence, or age factor is increasing increases, the demand for bone implants also increases. Limited bone donors and expensive synthetic materials are no long…
Kendaraan dinilai memiliki peran penting terhadap pertumbuhan ekonomi suatu wilayah. Oleh karena itu, upaya dalam pengembangan industri kendaraan terus dilakukan seperti dengan meningkatkan kinerja…
In the modern era as it is today, the advancement of technology is growing rapidly, these technological advances are no longer just in the electronics field. Along with the development of science, …
Radiator merupakan alat heat exchanger yang terdapat pada kendaraan yang digunakan untuk mendinginkan fluida pendingin (coolant) yang berfungsi sebagai penyerap panas yang berasal dari mesin untuk …
Vehicles are the main sector that is a supporting factor for the growth of the economy in a country. As the number of vehicles increases, the amount of fossil energy used will also increase. The wa…
Konveksi merupakan proses perpindahan energi kerja gabungan antara konduksi panas, penyimpanan energi, dan gerakan mencampur. Konveksi yang disebabkan oleh suatu alat dari luar seperti pompa sebaga…
Ketergantungan masyarakat pada plastik menyebabkan penumpukkan sampah plastik yang berlebih terutama ketergantungan plastik jenis LDPE yang salah satunya kantong kresek sebagai alat bantu membawa b…
The manufacturing process using the 3D printing method is now growing very rapidly. This technology has the advantage of being able to create complex geometries from various types of materials rang…
The potential of renewable energy in Indonesia is so abundant that it is profitable and as a provision in realizing national energy security. However, the lack of use of NRE for electricity is due …
Dalam bidang industri banyak dijumpai produk dengan bahan baku aluminium yang mengakibatkan terdapat banyak limbah aluminium. Aluminium skrap yang telah mendapatkan perlakuan sebelumnya di olah kem…
Plastik adalah salah satu bahan pokok yang sangat sulit terurai atau terdekomposisi oleh tanah. Meningkatnya produksi plastik diakibatkan penggunaan plastik yang cenderung meningkat dan menyebabkan…
Peningkatan penggunaan plastik berdampak pada jumlah sampah plastik yang semakin banyak. Kementrian Lingkungan Hidup dan Kehutanan menyampaikan jumlah sampah yang tertimbun di Indonesia mencapai 17…
Aluminum alloy 7075 is aluminum which has the main composition of Al, Zn, Mg, Cu, and a small part plus other metals. To increase the ability of the material to withstand fatigue loads, heat treatm…
Arduino Uno R3 is a microcontroller development board based on the ATmega328P chip. Robots are mechanical devices capable of performing physical tasks, and automated devices whose systems are embed…
Pemanfaatan limbah batubara berupa Fly Ash yang dimanfaatkan menjadi bahan pembuatan komposit akan menekan angka limbah fly ash batubara. Metalurgi serbuk merupakan metode yang digunakan dengan kom…
Total intervertebral disc replacement using prosthesis is one of treatments for degenerative intervertebral disc. This prosthesis must accommodate loads from the lumbar spine. This research perform…
Nanofluids are liquid suspensions of nanoparticles with at least one of their principal dimensions smaller than 100nm. Al2O3 nanofluids with volume fractions of 0.1%, 0.3%, 0.5% have been successfu…