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sandwich steel plate
met.
夹层钢板
(【技】包括复合减振钢板和复合塑料夹层钢板。前者是降低噪声、减少振动用的特殊功能金属材料,在两层钢板之间加一层聚酰胺系黏弹性高分子树脂,经树脂内部互相摩擦及界面的摩擦,将振动能转变为热能,达到降噪和减振的目的。它与普通钢板一样可以剪切、冲孔、冲压成形。振动衰减能力比普通钢板提高数千倍。复合塑料夹层钢板是在两层薄钢板之间粘合一层塑料。它具有良好的结合性,在压力加工的过程中不会出现剥离现象。)
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