The microstructure of the laser cladding coating with pre-placed B4C and B4C+Ti powders on TC4 substrate was analyzed using XRD, SEM and EDS.

• 利用XRD,SEM和EDS分析手段对B4C和B4C+10%25Ti(质量分数,下同)激光熔覆层的微观组织进行了分析。