Friday, 26 October 2012

GM Tests Again Magnesium Material for Component


General Motors (GM) is currently testing the thermal process of magnesium sheet metal that is lighter than aluminum, but has strength which is quite high. Tests performed on some components, such as the rim. If successful, this would be a benefit in terms of fuel efficiency.

GM developed a new method this time allows the material to be formed into rigid with a precision scale. Magnesium is heated to 450 degrees Celsius, then shaped as desired. The result is a panel inside the trunk lid that has a lighter weight of 1 kg of steel metal. That means 75 percent magnesium is lighter than iron, and 33 percent of aluminum.

Its strength is tested 77,000 times as much rock with the help of a robot arm, plus methods clash weighing 250 kg, and the result is quite good. Good again, the item has a weight of 1 kg lighter than steel metal used.

"Every gram reduction in weight of the vehicle was able to contribute to fuel efficiency. Even so, safety and durability also remains a concern and a priority for us," said Greg Warden, executive director of GM Global Vehicle Engineering Body.

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