The aluminum matrix composites (AMCs) manufactured using additive manufacturing (AM) technologies, such as selective laser melting (SLM), exhibit excellent properties like lightweight and high strength. Therefore, it has great potential for application in the aerospace and vehicle industry. Among them, the most studied 3D printing AMCs is SiC reinforced AlSi10Mg. However, these composite materials are prone to form intermetallic compounds at the interface between AlSi10Mg and SiC during the 3D printing, leading to material embrittlement and limited strength improvement. In this study, Scalmalloy is used as the matrix, and a low energy density parameter is introduced to prevent the formation of intermetallic compounds. By adding different volume fractions of SiC particles, the addition limit of the SiC in this system can be explored, and the trend of the strengthening effect can be studied through the tensile test results.