Metal foams are a new, as yet imperfectly characterized, class of engineering materials with low densities and novel physical, mechanical, thermal and acoustic properties.

• 泡沫金属材料以其独特的结构特征、优异的力学性能、理化性能及吸能特性在汽车、航空航天和铁路等领域具有广阔的应用前景。