Applied Engineering science report. Michael Connor B00240227 Part A: Several mixtures of cement‚ aggregate‚ sand and water were mixed at different ratios to workability and compressive strength. The dry materials of the mixture were mixed and water was gradually added‚ the mixture was then placed in a cube and allowed to dry forming the concrete testing cube. Each of the four blocks containing different compositions of each material were then placed in a compressive testing machine and when
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EM/JUNE14/MEC281 UNIVERSITI TEKNOLOGI MARA MEC281 MATERIAL SCIENCE Chapter 1: Structure TUTORIAL 1: Atomic Structure 1. Define : i. Atomic Mass ii. Atomic Number iii. Isotopes 2. Give the electron configurations for the following ions : i. Oxygen ii. P5+ iii. Ni2+ iv. Br- v. Cu PERIODIC TABLE MEC 281 EM/JUNE2014/MEC281 UNIVERSITI TEKNOLOGI MARA MEC281 MATERIAL SCIENCE Chapter 1: Structure TUTORIAL 2: INTERATOMIC BONDING‚ CRYSTAL STRUCTURES 1. Specify the type of atomic
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CATHODIC PROTECTION P E FRANCIS CONTENTS 1 2 3 INTRODUCTION............................................................................................................2 PRINCIPLES OF CATHODIC PROTECTION..........................................................3 METHODS OF APPLYING CATHODIC PROTECTION........................................5 3.1 3.2 4 4.1 4.2 4.3 4.4 4.5 4.6 4.7 IMPRESSED CURRENT..........................................................................................5 SACRIFICIAL
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building material by surrounding media‚ which are usually liquid (i.e. corrosive agents)." Most metals corrode. During corrosion‚ they change into metallic ions. In some cases‚ the product of corrosion itself forms a protective coating. "For example‚ aluminium forms a thin protective oxide layer which is impervious to air and water. In other cases (e.g. iron)‚ however‚ the coating either flakes off or is pervious to both air and water. So the whole piece of metal can corrode right through." The most
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CONTENTS i CONTENTS 1.0 Introduction 1 2.1 Introduction & History of Mountain Bike 1 2.2 Function of The Component / Product 3 2.3 Assumption on The Type of Manufacturing Method 4 and Quantity of Production 2.0 Detailed Specification of The Final Product 7 3.4 Material Selection 7 3.5 Component Analysis 8 3.6 Dimensional‚ Surface etc Specification 9
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Iron‚ Steel and Aluminium Main sources of iron: * second most abundant metal (5% by mass) in Earth’s crust (fourth most abundant element) * found in rock (a mixture of minerals) as one or more minerals (usually a compound) * if a mineral is of economic importance‚ it is referred to as an ore * iron containing minerals include hematite (Fe2O3)‚ magnetite (FeO·Fe2O3 or Fe3O4)‚ limonite (FeO(OH)·nH2O) and siderite (FeCO3) Alloys: * homogeneous mixtures of metals or metals and
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One of the methods used for calculating this characteristic is the tensile test‚ where a sample is pulled apart by a Tensile Testing machine until it brakes. The aim of this experiment is to perform tensile tests on samples of standard steel‚ aluminium alloy and copper in order to calculate Young’s Modulus. In addition to this‚ also yield stress‚ tensile strength and percentage elongation and reduction of area will be calculated‚ only for the standard steel sample. Theory Young’s Modulus (E) Stress
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Rust is the name given to the common compound (Fe2O3) when iron combines with oxygen to form iron oxide. Rusting is known as corrosion of iron and its alloys such as steel or cast irons. Rust can be found on cars‚ metal pipes‚ aircrafts and anywhere with iron‚ copper and aluminium. Corrosion can be concentrated locally to form a split or crack‚ or it can extend across a wide area which causes corroding on surfaces. Because corrosion is a diffusion-controlled process‚ it occurs mainly on exposed surfaces
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electrical technology is aluminium. It is used quite a lot as it cheap‚ lightweight and in abundance compared with other electrical conductors. Aluminium is used in overhead power cables as it is has many properties which make it ideal for this purpose. It is very easy to work Aluminium can be easily fabricated into various forms such as foil‚ sheets‚ shapes‚ rods‚ tubes‚ and wires. It also displays excellent malleability and plasticity in bending‚ cutting‚ and drawing. Aluminium does not rust as when
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metal objects is accomplished using a metal polish or tarnish remover; this is also called polishing. To prevent further unwanted oxidization‚ polished metal surfaces may be coated with wax‚ oil‚ or lacquer. This is of particular concern for copper alloy products such as brass and bronze.[4] |Contents | |[hide] | |1 Process | |1.1 Equipment | |2
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