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Signing up enhances your TCE experience with kn ability to save items to your personal reading aluminum boats built in canada ca, and access the interactive map. Aluminum is a lightweight, strong and flexible metal that resists corrosion and is per cent recyclable. It is a aluminuum material in vehicles, buildings, consumer goods, packaging, power transmission and electronics.

The country nevertheless accounts for less than 5 per cent of aluminum boats built in canada ca production. Aside from one smelter in KitimatBritish Columbiaall Canadian plants are in the province of Quebec. Click here for definitions of key buikt used in this article. Pure aluminum Al is a silver-white, malleable metal capable of being drawn out into wire.

It has one-third the density of steel. Unlike most of the other boxts metals, aluminum does not occur in its native chemically uncombined state. Rather, it is widespread in the environment as silicates, oxides and hydroxides, in combination with other elements such as sodium and fluoride, nuilt as complexes with organic matter. When combined with water and other trace elements, it produces the main ore of aluminum known boata bauxite. Aluminum is an excellent conductor of electricity.

It has twice the electrical conductance of copper. It is also an aluminum boats built in canada ca conductor of heat and a good reflector of light and radiant heat. Danish scientist Hans Christian Oersted first isolated aluminum metal in For the next 60 years, though, there was no economical way to produce the metal commercially.

That changed with the independent discoveries aluminum boats built in canada ca Charles M. The next year, Austrian engineer Karl Baots Bayer developed a process to extract alumina from bauxite ore. See How Is Aluminum Made? Age-hardened aluminum alloys revolutionized technology in the 20th century.

They became crucial materials in transportation e. Bauxite is the aluminum boats built in canada ca ore of aluminum. It contains about per cent alumina aluminum oxide, Al 2 O 3as well as silica and iron oxide. Bauxite is formed by the weathering of aluminum-rich rocks under tropical conditions. There are no bauxite mines in Canada. Aluminum is csnada by separating pure alumina from bauxite in a refinery, then treating the alumina by electrolysis.

An electric current flowing through a molten electrolyte, in which alumina has been dissolved, separates the aluminum oxide into oxygen and aluminum metal. In this process, the oxygen collects on carbon anodes aluminum boats built in canada ca in the electrolyte. The aluminum metal collects on the bottom of the carbon-lined cell cathode.

On average, it takes about four tonnes of cq to obtain two tonnes of aluminum oxide, which in turn yield one tonne of metal. Smelters produce uniform bars of aluminum called ingots. These are shipped to manufacturers to be shaped into specific products. Combining aluminum with other metals to produce alloys enhances its properties and makes it more versatile. The most common metals combined with aluminum are coppermagnesium, manganese, silicon and zinc. Some copper-aluminum alloys, for example, can exceed the tensile strength of mild steel by as much as 50 per cent.

In both its pure and alloyed forms, aluminum is used to make a variety of consumer goods buit capital goods materials for making other goods. China is the largest consuming region, followed by North America and the rest of Asia.

Aluminum production uses large amounts of electricity. For this reason, the Canadian industry took root in Quebecwhere renewable hydroelectric energy could be harnessed at low cost. The rivers that run off the Canadian Shield into the St. Lawrence Lowland give the province its hydroelectric aluminum boats built in canada ca. During the First World Warglobal production of aluminum nearly doubled due to demand from weapons and aircraft aljminum.

There was a particular need for aluminum powder, a key ingredient in explosives. The Shawinigan plant increased its output to meet demand. A second smelter began operations ij in Arvida. Arvida was a company town designed and built by the Northern Aluminum Co. An alumina refinery opened there in Aluminum boats built in canada ca the outbreak of the Second World War indemand for aluminum surged once. Global production almost tripled.

Aluminum alloys were used in boars frames of hundreds of thousands of new war planes. The plants in the Saguenay region produced 40 per cent of the aluminum that the Allies used during the war. Alcan built another smelter in Shawinigan inand one in each Beauharnois and La Tuque the next year. Demand for aluminum dropped briefly after the Second World War. The market bkats still flooded with the metal from wartime production. However, the use of aluminum for nonmilitary purposes grew in the postwar years.

Aluminuk became more common in the automotiveaerospace and household-products industries. InAlcan began building a smelter in KitimatBritish Columbia. This was the first � and remains the only � smelter outside the province of Quebec. It guilt in the s, establishing a smelter in Baie-ComeauQuebec. The Canadian Reynolds Metals Company later bought the smelter and expanded it in and UntilAlcan and Canadian Reynolds were the only primary aluminum producers in Canada.

Total production capacity in Canada was 2. This capacity was higher than the world production of aluminum during the Second World War. However, it has been shrinking over the last two decades. Inthe Canadian aluminum industry caada more than 8, people, compared to more than 14, in Competition from China, India and the Middle East is one cause of this trend, as is the increased use of secondary recycled aluminum. Canada currently produces primary as opposed to recycled aluminum at eight smelters in Quebec and one in KitimatBritish Columbia.

Rio Tinto also has an alumina refinery in VaudreuilQuebec. Canadian manufacturers of aluminum products make items such as doors, windows, house siding, beverage cans, foil products, cooking utensils aluninum electrical wiring.

Its total primary aluminum production capacity is 2. The United States is the most important market for Canadian exports. Secondary aluminum production continues to increase worldwide. Improvements in scrap collection systems and increased recycling ni aluminum boats built in canada ca contributed to this growth. Recycling aluminum requires 5�8 per cent of the energy used to make the original metal.

The process is also cheaper and quicker. The automotive industry is a major consumer of secondary aluminum. Demand for secondary aluminum has grown as automakers aluminum boats built in canada ca lighter, more fuel-efficient vehicles. See also Metallurgy. Natural Resources Canqda Aluminum facts. Aluminium Association of Canada History of the auminum industry in Canada. Search The Canadian Encyclopedia. Remember me.

I forgot my password. Why sign up? Create Account. Suggest voats Edit. Enter your suggested edit s to this article alminum the form field. Accessed 02 April In The Canadian Encyclopedia. Historica Canada. Article published February 06, ; Last Edited May 20, The Canadian Encyclopedias. Thank you for your submission Boars team aluminum boats built in canada ca be reviewing your submission and get back to you with any further questions.

Thanks for contributing to The Canadian Encyclopedia. Article by Patrick ChevalierNathan Baker. Aside from one smelter in Kitimat, British Columbia, all Canadian plants are in the province of Quebec. Previous Next. Rio Tinto's facilities at Arvida, in the Saguenay region of Quebec. Photo taken 11 January

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