The degradation of three finishing systems,carbon steel/paint,magne sium alloy/paint,magnesium/chromate conversion coating(ccc)/paint,was studied by salt spray test.

• 对镁合金/有机涂层、碳钢/有机涂层及镁合金/铬酸盐转化膜/有机涂层等3种涂装体系进行了盐雾试验,结果表明,镁合金直接涂装的试样涂层失效远比碳钢迅速;