RLE INTERNATIONAL睿力汽车科技 Body Team Training Series Material-Aluminum ? 2015 RLE INTERNATIONAL Group 1 I www.rle.international Brief Introduction Alloy Constitution Training Content Content Material Characteristics Applications in BIW ? 2015 RLE INTERNATIONAL Group 2 I www.rle.international Brief Introduction ? 2015 RLE INTERNATIONAL Group 3 I www.rle.international 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 www.rle.international Brief Introduction - History about Aluminum With the development of electrolytical reduction process ,aluminum metal production started to grow rapidly. The electrolytical reduction process was developed and patented in 1886 simultaneously and independently by Paul Héroult in France and Charles Martin Hall in the US. Before 19century , aluminum is th regarded as a rare precious metal , even be more expensive than gold .The French emperor Napoleon III even ordered officials to build a aluminum crown to show his wealth and power. ? 2015 RLE INTERNATIONAL Group 5 I www.rle.international