Thursday, February 20, 2014

Using Aluminum or Magnesium Metals in Aerospace Items

Using Aluminum or Magnesium Metals in Aerospace Items. Using pure aluminum metals and pure magnesium metals for military parts, airframes, and other structural materials has never been suitable. This is for the reason that these styles of metal can only result to very minimal strength. On the other hand, the strength can be improved if they are combined with other metals through alloying. Alloying involves mixing metals chemically. The metals, which can be alloyed, include zinc, aluminum, copper, magnesium, lithium, silicon, and manganese. They can be alloyed by themselves or with each other.

A number of variations of alloys are available. Each of these variations has different uses as well as properties. For instance, aluminum alloys are used more widely for aircraft products as compared to magnesium alloys. Although aluminum alloys are denser than magnesium alloys, they are not so much prone to sea water or chemical attack as that of magnesium alloys. In addition, aluminum alloys are cheaper. Duralumin or 2024 alloy is used for aerospace products and other aircraft structures as it contains 93.5% aluminum, 1.5% manganese, 4.4% copper, and 0.6% magnesium.

Conversely , aluminum alloys are more susceptible to corrosion than utilizing pure aluminum. As such, pure aluminum is usually applied to surfaces of its alloys in order to function as a protective layer. This process is referred to as cladding. The alloy sheets are treated and popularly known as Al-clad or clad sheets. Anodizing is another common course of action of protecting aluminum alloys. It involves a process of converting the surface layer in order to product more corrosion-resistant material. This is done through an electro-chemical method. Meanwhile, aluminum-lithium alloys are better than aluminum-copper and aluminum-zinc metals when it comes to stiffness and strength. They are not widely used due to their expensiveness www.kineticdiecasting.com.

Thought to be the most prominent properties that aluminum alloys have when combined with titanium is that they can be super-plastically formed (SPF). This is to say that when the material goes through heat on a specific temperature, which is far less than its melting point, it can be stretched several times its length devoid of local thinning or tearing. The material can be deformed through inert gas like argon to take its shape without springing back as pressure is released.

Some of the advantages of aluminum and magnesium alloys for aerospace products and aircraft structures include the following:

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  • low density for greater thickness
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  • high ratios of strength-to-weight
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  • available in diverse standard forms such as tubes, bars, sheets, extrusions, and plates
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  • can be alloyed with diverse forms of alloys for different uses
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  • certain aluminum alloys can be super-plastically formed
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  • aluminum alloys can be worked on easily after heat treatment
  • In contrast, there are also drawbacks when using aluminum and magnesium materials. These include the following;

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  • have limited strength specifically at high temperatures
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  • have no fatigue limit
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  • prone to corrosion
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  • magnesium metals have minimal strength
  • Kinetic Die Casting blog on Blogspot, makes Die Casting Aluminum Parts we make them as Aerospace Die Casting Parts. Look at this website page for more details: www.kineticdiecasting.com/aerospace.html. Contact Kinetic Die Casting Company at 818-982-9200 or email us at sales@kineticdc.com. Use this webpage to request "die casting part prices" www.kineticdiecasting.com/replyform.html

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