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利用光学显微镜、场发射扫描电镜及透射电镜 ,分析了柴油机活塞铝裙材料的微观组织 ,得出活塞铝裙微观组成相是 :Al合金基体 + Si相 + Mg2 Si+ GP区。
The microstructure of diesel piston aluminum skirt was analyzed by optical microscope, field emission scanning electron microscope and transmission electron microscope. The microstructure of piston aluminum skirt was obtained as follows: Al alloy matrix + Si phase + Mg2 Si + GP zone.