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INDONESIA
Radial : Jurnal Ilmiah Sains Dan Rekayasa
Published by Universitas Bung Karno
ISSN : 25799681     EISSN : 29879302     DOI : https://doi.org/10.62024/radial
Core Subject : Science, Engineering,
Automotive Engineering Control & Systems Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
RADIAL, Jurnal Ilmiah Sains dan Rekayasa adalah jurnal hasil peninjauan oleh rekan sejawat dari disiplin ilmu teknik bidang teknik mesin, dengan tujuan memberikan pengalaman riset, wawasan, dan pengembangan pada ragam bidang keilmuan teknik seperti manufaktur dan mekanika industri mencakup manufaktur hijau, analitik dan komputasi mekanika benda tegar (dinamika, getaran, stabilitas), mekanika struktural, material maju, kendali, konstruksi, pemrosesan bahan, pembentukan logam, material canggih (logam, komposit, polimer, keramik, seluler, pintar, dll.), biomaterial dan biomekanik, dinamika fluida, tribologi, termodinamika, otomotif, energi dan keberlanjutan, dan aspek terkait lainnya terhadap teknik dan teknologi. Jurnal ini tercatat resmi di RMPI BRIN untuk menerbitkan karya tulis ilmiah asli (orisinal) dan diterbitkan oleh Fakultas Teknik, Universitas Bung Karno Jakarta.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 12 Documents
 1   2 
Kajian Fisis Optimalisasi Daya Bateray Lithium dalam Pengaruh Deformasi Safaruddin A Prasad; Jufra Jufra; Akhiruddin Maddu
Radial : Jurnal Ilmiah Sains dan Rekayasa Vol. 1 No. 2 (2023): September
Publisher : Fakultas Teknik - Universitas Bung Karno

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62024/radial.v1i2.11

Abstract

Simulations have been carried out of equal power for lithium batteries with one-way diffraction grating deformation using magnetic induction coils which are converted into heat energy to heat a certain volume of water. The heating time was observed from the initial temperature of 30 degrees Celsius to the final temperature of 100 degrees Celsius for each coil length L. Using multiple linear regression analysis, a power change ratio of 0.95 was obtained. This means that the battery power will increase by 0.05 or 5 percent if it is treated with a compressive force to the limit of elasticity. This is possible because Lithium has a Young's modulus of 4.9 GPa, a shear modulus of 4.2 GPa, and a bulk modulus of 11 GPa.
Analisa Pengecoran Logam dengan Pengujian Mekanik dan Metalografi Handi Handi; Iwan Setiono; Waris Sudaryanto
Radial : Jurnal Ilmiah Sains dan Rekayasa Vol. 1 No. 2 (2023): September
Publisher : Fakultas Teknik - Universitas Bung Karno

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62024/radial.v1i2.12

Abstract

The Ball Valve Axle is an axle that functions as a handle for the balls on HPD and HPS type hydrants produced by a metal foundry factory in Tegal, Central Java. This Ball Valve Axle is made from gray cast iron which consists of 2.746 percent carbon, 0.247 percent silicon, 0.708 percent manganese, 0.001 percent phosphorus, 0.058 percent sulfur, 0.007 percent chromium, 0.046 percent nickel, 0.172 percent molybdene, 0.000 percent vanadium, tungsten 0.007 percent, copper 0.122 percent, aluminum 0.003 percent, titan 0.003 percent, boron 0.00 percent, tin 0.026 percent, lead 0.000 percent and the element iron itself. In the casting process, porosity has occurred which causes the cast product to fail and cannot be used. To determine the condition of the failed object, tests are carried out, namely mechanical testing and metallographic testing. Mechanical tests carried out include material wear testing, material hardness with a hardening process through a heat treatment process at a temperature of 870 degrees Celsius which is then tempered at temperatures of 100 degrees Celsius, 200 degrees Celsius, 300 degrees Celsius and 400 degrees Celsius. Wear level The casting yield is 0.0001 mm2/kg and the hardness level is 166,360 kg/mm2. This cast iron experiences high hardness after being tempered at 100 degrees Celsius where the hardness becomes 418.347 kg/mm2 but experiences a decrease in hardness if we temper it to 400 degrees Celsius where the hardness becomes 270.813 kg/mm2.

Page 2 of 2 | Total Record : 12

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