摘要
介绍了一种新型铁道车辆用铝减振型材，该型材具有优良的振动衰减特性，吸音率达５８％～６７％，且具有一般铝合金型材的加工性，适合铁道车辆高速化和轻量化的需要。
A new type of aluminium damping bar sections for rolling stock are
introduced.The material has fairly good damping features.Its sound absorption rate reaches
58%～67%.It has the processing features of ordinary aluminium bar sections.Therefore,it
can meet the requirements of high speed and weight lightening of rolling stock.
出处
《国外铁道车辆》
1999年第4期38-39,共2页
Foreign Rolling Stock
关键词
铝合金
发泡材料
列车
轻量化
aluminium alloy
foaming
material
weight lightening
