2) Aluminum-based and magnesium-based liquid metals have been used in lightweight materials, especially aerospace. With the development of lightening of automobiles, high-speed rail transit and aerospace technology, researchers have begun to focus on the research of high-strength and low-density materials: aluminum-based liquid metals are stronger than steel, but the density is less than 40% of steel; the compressive strength of magnesium-based liquid metals can reach 900~1200MP. a, the density is less than 25% of that of steel.
He gave his father “the talk” His passport requires no photograph When he drives a car off the lot, its price increases in value Once a rattlesnake bit him, after 5 days of excruciating pain, the snake finally died His 5 de Mayo party starts on the
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