Bondan Tiara Sofyan
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KARAKTERISTIK MEKANIK DAN BALISTIK KOMPOSIT Al-8Zn-4Mg-20 VOL.% SiC HASIL PROSES SQUEEZE CASTING DAN PERLAKUAN PENUAAN Open
Armoured Personnel Carrier (APC) as a means to support the mobility of TNI must have high toughness so that they are not easily penetrated by bullets. The APCs are commonly made of steel due to their excellent toughness and ballistic prope…
View article: Influence of Heat Treatment on Microstructures and Shape Memory Effect of Cu-28Zn-2.5Al wt. % Produced by Gravity Casting
Influence of Heat Treatment on Microstructures and Shape Memory Effect of Cu-28Zn-2.5Al wt. % Produced by Gravity Casting Open
Cu-Zn-Al is one of the prospective shape memory alloys due to its promisingly good shape memory effect (SME), obtainable at a lower price through an easier fabrication process. Several hindrances that lower the SME of the Cu-Zn-Al can be i…
Testing of the Structure of Carbon Fiber Reinforce Polymer Composite Panels Due to Blast Explosion Using C-Scan Ultrasonic Test Aid Open
Ultrasonic testing (ultrasonic testing) utilizes high-frequency sound waves to detect damage to a material, composite or workpiece. This test is commonly used to inspect materials made of metal or plastic, as long as the material is not ab…
ANALISA AERODINAMIK, STRUKTUR, FLIGHT DYNAMIC AND PERFORMANSI UCAV (UNMANNED COMBAT AIR VEHICLE) Open
PTTA (Unmanned Aircraft) is also used to support national security and reconnaissance, making it easier for the TNI to work and simultaneously saving the cost of monitoring Indonesian territories. This study will produce design details, de…
Investigation of Creep Behaviour of Al-9Zn-4Mg and Al-9Zn- 4Mg-5Cu Alloys Open
Two aluminium alloys, Al-9Zn-4Mg and Al-9Zn-4Mg-5Cu was prepared for candidate material impeller turbine radial inflow system Organic Rankine Cycle (ORC) that works at 130 °C. The temperature is high for aluminium alloys so the creep behav…
Effect of cold rolling and annealing temperature to the characteristics of α + β' phases in Cu-29.5Zn-2.5Al alloy produced by gravity casting Open
Al-brass alloys (Cu29.5Zn2.5Al wt. %) were produced by gravity casting and homogenized at 800?C for 2 h, resulting in a binary phase morphology identified as cubic ? and martensitic ?? phases through X-ray diffraction (XRD). Samples were t…
Effect of ZrO<sub>2</sub>Addition on Mechanical Properties and Microstructure of Al-9Zn-6Mg-3Si Matrix Composites Manufactured by Squeeze Casting Open
Steel is used because of its high strength and toughness, but it has high density, therefore lighter material with comparable toughness is developed. One alternative is aluminum matrix composite with zirconia (ZrO2) as the reinforcement wi…
Effect of Cold Rolling and Annealing Temperature on the Characteristics of Cu-28Zn-3.2Mn Alloy Open
Common material for bullet shell is cartridge brass which contains 26-32 wt. % Zn. In the deep drawing process, problems are typically found, such as cracking and tearing, due to low ductility. Therefore, manganese is added to cartridge br…
Effect of Solution Treatment Temperature on The Microstructure and Mechanical Properties of Al-5.1Zn-1.9Mg Alloy Produced by Squeeze Casting Open
Aluminum alloys are widely used in aviation industries, especially for the body and wings of aircraft. The heat treatment for 7xxx series aluminum alloys is precipitation hardening which consists of solution treatment, quenching, and agein…
Deformation Characteristics and Texture Development of Biadded Cu-29Zn Alloys Open
Theories regarding texture transition mechanisms of brass alloys and its critical deformation level of when the change of texture transition occurs are still in debate. Previous observation showed that copper type texture dominantly formed…
Effect of deformation and annealing temperature on the mechanical properties and microstructure of Al-4.5Zn-1.5Mg-0.9Cr (wt. %) alloy fabricated by squeeze casting Open
In order to produce structural products, Al-Zn-Mg alloys undergo various forming processes. Problems that are usually found in the forming process include peripheral coarse grain (PCG) and hot tearing which decrease mechanical properties a…
Effects of aluminum addition on the characteristics of Cu-28Zn brass produced by gravity casting Open
Brass has an attractive combination of strength, ductility, and good corrosion resistance, which are required in many components, such as cartridge cases, valves, and fittings. In all of these components, brasses are usually fabricated thr…
Effect of SiC addition to the characteristics of Al-11Zn-6.7Mg composite produced by squeeze casting for ballistic application Open
Aluminium composite material as an alternative to steel used in body of tactical vehicles has been studied. Addition of SiC was expected to have strengthening effect on the composite matrix therefore improving its ballistic performance. Co…
Effect of Ti Addition to Age Hardening Response of Al-10Zn-6MgxTi Alloy Produced by Squeeze Casting Open
This research focused on investigating the effects of Ti addition on the age hardening response of Al 7xxx alloy for Organic Rankine Cycle (ORC) turbine impeller application in power plant generators. Al-10Zn-6Mg wt. % alloys were produced…
Effect of Cold Rolling and Annealing Temperature on the Recrystallization and Mechanical Properties of Al-4.7Zn-1.8Mg (wt. %) Alloy Fabricated by Squeeze Casting Open
Aluminium alloys are developed as airplane body due to their lighter weight compared to steel and good formability. Aluminium 7XXX series with Zn and Mg alloying elements is commonly used because its mechanical properties can be improved t…
Microstructure and Mechanical Properties of Al-10Zn-4.5Mg-xCu Turbine Impeller Produced by Investment Casting Open
Aluminium alloy can be applied for a turbine impeller of Organic Rankine Cycle power plant that operates at temperatures below 150 oC. Aluminum turbine impeller can enhance efficiency of turbine due to light weight material. Al alloys was …