1.Scientific connotation and significance Advanced materials technology is one of the most important technologies impacting modern social and economic development.Its advancement will enrich the technological element in related products,shorten production cycle,and promote the emergence and prosperity of high-tech industries.Moreover,it will significantly change a nation’s industrial structure,help create personalized lifestyle and life concept for the people,and even infl uence international political situation.Take lightweight materials as an example.The realization of lightweight modern transport relies on lightweight aluminum/magnesium/titanium alloys and carbon fiber composite materials.It is estimated that a vehicle may reduce 20%of its weight if made
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