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RLE INTERNATIONAL 睿力汽车科技 Body Team Training Series Material-Aluminum © 2015 RLE INTERNATIONAL Group 1 I ernational Brief Introduction Alloy Constitution Training Content Content Material Characteristics Applications in BIW © 2015 RLE INTERNATIONAL Group 2 I ernational Brief Introduction © 2015 RLE INTERNATIONAL Group 3 I ernational Brief Introduction – Aluminum Element At about 8% of the earths crust, aluminum is the most abundant metal . Nowadays aviation, construction, automotive these three major industries requires material properties with the unique properties of aluminum and its alloys, which greatly beneficial to the production and application of aluminum. Its application is extremely extensive. © 2015 RLE INTERNATIONAL Group 4 I ernational Brief Introduction - History about Aluminum Before 19th century , aluminum is With the development of electrolytical regarded as a rare precious metal , reduction process ,aluminum metal even be more expensive than production started to grow rapidly. gold .The French emperor Napoleon The electrolytical reduction process III even ordered officials to build a was developed and patented in 1886 aluminum crown to show his wealth simultaneously and independently by Paul Héroult in France and Charles and power.