The changing rule of brazed joints strength and microstructure of silver filler metal bearing different content of gallium were studied by way of analyzing microstructures of brazed joints.

• 分析了不同含镓量银钎料及其钎缝的显微组织，结合钎料成分及能谱分析结果，研究了钎料、钎缝的显微组织与其力学性能的关系。