A new metal alloy
author:    published:2013-12-19 11:46:11    words:【big】【middle】【small
           A new metal alloy formula may help car and aircraft makers create lighter, more durable vehicles. Magnesium alloy metals are attractive for the auto and aerospace industries because they're tough, lighter than aluminum and easy to shape. But such alloys also corrode easily. The scientists say adding a dash of arsenic to the mix can significantly reduce corrosion.
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