The as-cast and homogenized microstructure of 7150 aluminum alloy were studied using optical microscope(OM),scanning electron microscope(SEM) and X-ray diffractometer(XRD).

• 采用金相显微镜、扫描电镜及X射线衍射仪对7150铝合金的铸态组织及均匀化退火组织进行了观察及表征,并对组织中的金属间化合物进行了能谱分析。