Solder (/ˈsoʊldə/‚[1] /ˈsɒldə/[1] or in USA /ˈsɒdər/[2]) is a fusible metal alloy used to join together metal workpieces and having a melting point below that of the workpiece(s). Soft solder is typically thought of when solder or soldering is mentioned‚ with a typical melting range of 90 to 450 °C (190 to 840 °F).[3] It is commonly used in electronics‚ plumbing‚ and assembly of sheet metal parts. Manual soldering uses a soldering iron or soldering gun.Alloys that melt between 180 and 190 °C (360
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JSUNIL TUTORIAL ‚ SAMASTIPUR‚ BIHAR IX CBSE CHAPTR - ATOMS AND MOLECULES The word atom is derived from the Greek word “Atomos” which means indivisible. John Dalton modelled atoms as hard indivisible spheres. An Indian philosopher Maharishi Kanad‚ postulated that if we go on dividing matter (padarth)‚ we shall get smaller and smaller particles. Ultimately‚ a time will come when we shall come across the smallest particles beyond which further division will not be possible. He named these particles
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3.1 HyperXtrude simulations HyperXtrude is commercial software for simulation which was produced by Altair Inc. It is good at and special for die design and material flow in the extrusion process of metals and polymers. If the simulations are accurate enough for different profile designs and thermo-mechanical behavior of the billet materials‚ it is very important for die designers and production engineers to predict and reduce the cost of die trials. It is of very practical for producing balanced
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Chemistry of Fireworks By Anuradha Sahu Everyone enjoys the amazing firework shows on the Fourth of July with the beautiful vibrant colors and sparks every year. Fireworks have been part of this world for a very long time. They have been used for enjoyment and for signalling purposes. Every culture has their own significance and use of fireworks. But all fireworks have something in common; the chemistry that makes them work. No matter where you find them‚ they are made up of the same compounds
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Materials in Portal Frame In this section‚ materials which can be utilized in this portal frame structure will be discussed. Each material advantages and disadvantages will also be discussed. Since the world of construction nowadays have been favouring environmental friendly material in construction with the lowest cost possible‚ this section will also discuss about the benefits of each material to the environment. Glass Fibre Reinforced Polymer Glass Fibre Reinforced Polymer or GFRP is a material
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environmentally friendly utilisation of the oil and gas resources. The metals can be produced in many different ways‚ either from natural raw materials‚ or by recycling scrap metal? Aluminium and steel are examples of materials that to an increasing degree is recycled so we can produce the future car of aluminium and achieve a great place in the research field of Material Science and
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energy‚ as the metals with lower ionisation energy loses electrons more easily. The result of this experiment should be similar to the published reactivity series. Materials : * Hydrochloric acid (1M) * Metals (sodium‚ calcium‚ magnesium‚ aluminium‚ zinc‚ iron‚ tin‚ lead‚ copper) * 9 test tubes * Test tube rack * Test tube holder * Retort stand * Bunsen burner * Beaker * Tripod * Heat proof board * Wire mesh * Water Methods: Acid and Metal * Using
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indirectly through growth in non-durable product demand by consumers especially within the food packaging and drink packaging businesses. The two biggest costs that the industry faces is raw materials; including the oil price‚ steel‚ tinplate‚ aluminium as well as paper and pulp prices; and unit labour costs. Labour costs and disruptions have been a big concern in recent months due to strike action by employees resulting in lost capacity and reductions in volumes produced. Labour costs and the escalation
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/Time/Day: Gr.3/7:30-10am/W I. Objective: To determine the linear expansion of the rod. II. Apparatus: Linear expansion apparatus‚ Brass & Aluminium rods‚ Thermometer‚ Electric heater‚ Steel tape‚ Boiler‚ Rubber hose‚ Extension cord‚ Screw driver. III. Sketch: IV. Data and Results Item Used | Symbol | Unit | Sample Used | | | | Brass | Aluminium | Initial length of Rod | LO | cm | 61cm | 60.8cm | Initial temperature of the Rod | TL | °C | 30°C | 30°C | Final temperature of Rod |
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(+15|||| Upcycling demo 2|The items being upcycled are Redbull cans. The second item being created is a model of an Aluminium eagle.Empty cans of Redbull‚super glue‚ scissors/pliers‚ gloves Age group (+15|||| |Your research decisions||Teacher feedback|Changes you made and why| Upcycling demo 3|The item being upcycled is a Redbull can.The third iem being created are aluminium model of shoes. This will be made using Empty cans of Redbull‚super glue‚ scissors/pliers‚ gloves Age group (+15||||
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