By X-ray detector, Electronic microscope and energy pedigree instrument, the dispersion lacuna in ZL101A aluminium alloy cast was analyzed.

• 摘要采用X射线探伤、电镜能谱等测试手段，对ZL101A铸造铝合金铸件断面上弥散分布的细小孔洞缺陷进行分析。