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研究微量Y、Zr对Pt组织结构的影响。结果表明,在Pt-Y-Zr合金中有金属间化合物Pt_5Y存在,Y在晶界上富集。
The influence of trace Y, Zr on the structure of Pt was studied. The results show that Pt_5Y exists in the Pt-Y-Zr alloy and Y is enriched in the grain boundary.