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采用多因素正交试验方法，通过方差分析，研究了Ｎｉ，Ｓｉ，Ｃｒ，Ｆｅ四种元素对硅青铜挡块材料性能的影响，由此获得该材料最佳的合金成分组合。
The influence of the four elements Ni, Si, Cr, Fe on the properties of the silicon bronze stopper was studied by the analysis of variance with multi-factor orthogonal test method, and the best alloy composition was obtained.