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Aluminum Alloy CastingsVersatility - Cost Effectiveness - Precision Dimension Control |
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The market for aluminum alloy castings is steadily growing with increasing demands from the fields of aeronautics, automotive and military applications. Aluminum alloys, especially aluminum castings, are considered as important structural materials that find applications in mechanical engineering. Properties such as being lightweight, machine-ability and a potentially unlimited supply of raw materials make aluminum the preferred choice for structural engineering parts. Aluminum can acquire the desired property of corrosion resistance or increased strength by adding the proper type of materials like magnesium, zinc or copper. The principle behind aluminum alloy castings is that the single continuous structure gives more stability and reliability than a structure welded together from different units. |
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Aluminum alloy castings are ideal for a variety of uses such as aerospace, electronics, and in valves and motors. Aluminum alloy castings include high precision parts that have a wall thickness of less than a millimetre to a thickness in the range of 800 to 1000 millimetres. The lightweight nature of aluminum, improved shell designing and molding techniques has helped to create lightweight castings. Aluminum alloy castings can serve even the most demanding systems. Applications range from commercial purposes to highly sophisticated military operations. Tough aluminum-silicon-magnesium alloy castings stand the rigorous demands of airframe components. |
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Aluminum alloy castings offer the finest finish, can be detailed to specific needs and require little protective coating. Aluminum alloys are highly resistant to corrosion as it has a protective oxide layer that is resistant to acids, chemicals and weather conditions. This protective oxide layer is formed during molten stage itself. However, strong alkalis react with the protective skin and are likely to corrode the inner aluminum. From Automobiles to Airplanes
Factors that affect the properties of aluminum alloy casting are composition, heat treatment, microstructure and the casting process as a whole. Develop-ments in engineering have created ways to overcome the shortcomings of aluminum castings. Customizing the casting process can reduce the worn outs and aging curves of aluminum alloy castings. Today aluminum alloy castings find applications from automobiles to airplanes and helicopters. For more information about Aluminum Alloy Castings |
Provide Optimal Sustainable Results Aluminum alloy castings are highly useful in a variety of applications. Aluminum is almost as malleable as gold. The silver-colored metal is highly versatile and can be rolled, hammered, or forged into any shape. That is why it is easy to design and mold. The important thing about aluminum alloy castings is that it demands precision designing and proper heat treatment. If proper care is taken while casting, aluminum alloy castings for a variety of applications will provide optimal sustainable results. Versatile Nature of AluminumThe very versatile nature of aluminum allows it to be used in a variety of metal casting techniques. The different aluminum alloy casting methods used are die-casting, permanent mold casting, sand casting, plaster casting, investment casting, and continuous casting. Lost foam casting, squeeze casting, and hot iso-static castings are a few other methods utilized in aluminum alloy castings. Strength and Ductility Feasibility, cost and quality are factors considered while selecting the appropriate casting process. The casting method is selected based on design features and details. The selection of casting process is also important to ensure quality factors like resistance to porosity and cracking. The surface also should have the desired finish without compromising on strength and ductility. |
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