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Magnesium Anodizing
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Magnesium Anodizing
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From METALAST International, Inc.
 

 
Magnesium anodizing can be used to improve the corrosion resistance, wear resistance, and hardness of the base magnesium metal. In addition, anodizing magnesium improves paint adhesion. This bulletin provides general information on magnesium anodizing, facility requirements, and the characteristics of the anodic coating. Magnesium is the lightest structural metal in the world. This grayish-white metal has a specific gravity of 1.74, approximately 2/3 and 1/4 of that of aluminum and steel, respectively. Magnesium is now being used for applications where light weight and high strength are important, such as in aircraft guided missiles, electronic equipment, sporting goods, and particularly automobiles. Fiat Auto, for instance, has succeeded in using about 8 kg of magnesium on its Alfa Romeo 156 model at a production rate of more than 100,000 cars/year. This trend of using more magnesium in cars to decrease weight and improve efficiency is expected to continue. However, magnesium has very poor corrosion resistance because no passivation film naturally forms on its surface, as it does on aluminum. Several surface treatments have been developed to enhance the corrosion resistance of magnesium alloys, including chromating, phosphating, and anodizing.
Products & Services
Magnesium and magnesium alloys are nonferrous metals with low density, good ductility, moderate strength and good corrosion resistance.
Metals anodes are consumables used in a variety of electrochemical processes such as corrosion protection (sacrificial anodes) and electroplating (plating anodes).
Plating and anodizing equipment is used to apply a finish to a products to increase its durability or to resist corrosion.
Anodizing is a process for finishing aluminum alloys that employs electrolytic oxidation of the aluminum surface to produce a protective oxide coating.
Master alloys and alloying additives are alloy element concentrates, grain refiners, hardeners, deoxidants and other agents added into a melt or metal powder blend to produce a particular alloy, modify a melt or alter processing characteristics.
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Product Announcements
IHC, Inc. - The Anomag™ Process
With the application of magnesium alloys in consumer products and industrial equipment on the rise, processes have been introduced that allow for greater uses of magnesium at cost effective prices. (read more)
All Metals & Forge - Magnesium Alloys
Magnesium is the lightest structural metal available a combination of low density and good mechanical strength, resulting in a high strength-to-weight ratio. Magnesium components are generally used in... (read more)
Sulfuric anodize, commonly referred to as Type II anodizing, is formed by using an electrolytic solution of sulfuric acid at room temperature. Hardcoat anodize, commonly referred to as Type III... (read more)
Dynacast - Die Casting Magnesium Alloys
Magnesium is the ideal material for applications where weight saving is a priority, having the lowest density of all structural metals. Almost as light in weight as plastic, magnesium has the... (read more)
Tanfel - Metal/Thermal Management
Tanfel provides a wide range of high quality metal stamping, die casting, aluminum extrusion, heat sinks and CNC machining services. (read more)
METALAST International, Inc. - METALAST AA-200 (Aluminum Anodizing Additive)
METALAST AA-200 is a proprietary aluminum anodizing, specialty chemical additive. AA-200 is a combination of organic monomers specially formulated to provide a better quality and more versatile oxide. (read more)
IHC, Inc. - The Anodizing Process
Aluminum anodizing is the electrochemical process by which aluminum is converted into aluminum oxide on the surface of a part. This coating is desirable in specific applications due to the following... (read more)
 
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Topics of Interest
Magnesium is the lightest of the commonly used metals. Its versatility and abundance make it one of the most popular metals, and variations of magnesium alloys are used in almost every major industry... (Read More)
Fused silica is a compound of silicon and oxygen. For dielectric applications, silicates are modified with magnesium and/or aluminum to provide sufficient dielectric properties. Cordierite and... (Read More)
Magnesia ceramics or refractories are based on compounds that consist of magnesium and oxygen. Magnesite or magnesia refractories or minerals are also known as magnesium oxide, magnesium carbonate,... (Read More)
Anodizing is a process for finishing aluminum alloys that uses the electrolytic oxidation of the aluminum surface to produce a protective oxide coating. The anodic coating consists of hydrated... (Read More)
Successful part design with melt-processable plastic materials can be accomplished in a parallel design process having three stages-preliminary, engineering and manufacturing. Design engineers are... (Read More)
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Technical Articles
Magnesium Anodizing (.pdf) - Metals and Alloys
Aluminum - Metals and Alloys
SteeLog® - A Metallurgical Dictionary - Metals and Alloys
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See more product announcements for Magnesium and Magnesium Alloys
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