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Canada Metal - Johnson Evinrude Horseshoe

Sporting Goods > Games > Horseshoes > Item 40

	Canada Metal - Johnson Evinrude Horseshoe
	by Canada Metal

What is Corrosion?Corrosion is an electrochemical process of deterioration of metal components when exposed to an aqueous environment (water). This occurs both underwater and in the atmosphere. The deterioration is the process of the metal changing into its oxide form. Steel, for example, will degrade (oxidize) back to its natural stable state - rust (iron ore). You need anodes on your engine because when two different metals are in contact, electrons will flow from the more negatively charged metal (anode) to the more positive metal (cathode). If you want to protect both types of metal you must add a third metal. The most common metal is zinc although magnesium and aluminum are also used. This active metal becomes the anode for both metals. The zinc or aluminum sacrifices itself to protect the other two metals, hence the term "sacrificial anode." Zinc is the most common material used. Zinc anodes are not very effective in freshwater and can stop working after only a few months if not made to mil. specifications. It is a good policy to change them regularly, even if they look OK. Remember, if an anode doesn?t wear away it is not working! The aluminum alloy used in anodes is very different from normal aluminum. It includes about 5% zinc and a trace of Indium, which prevents the build up of an oxide layer. Aluminum Anodes last 50% longer and will provide better protection that Zinc

The information above regarding this Canada Metal - Johnson Evinrude Horseshoe is as of 9-11-2005. Please click through for current information and availability. Click here to comment on this featured Canada Metal - Johnson Evinrude Horseshoe or any other Horseshoes or to simply post a comment or article related to sporting goods.

In addition to the Canada Metal - Johnson Evinrude Horseshoe on this page and other merchandise in the category of "Horseshoes", we offer a number of other Games products, as well as a broad line of sporting goods in general.