Surface Roughness Analysis of Cold-Spray and Selective Laser Melted Manufactured 316L Stainless Steel Parts For Biomedical Applications

Additive Manufacturing (AM) processes have emerged as the most preferred method for production of components for bio medical applications. Selective Laser Melting (SLM) is one of the AM processes used in producing metal components. In addition to the other mechanical and bio-mechanical properties the surface properties of the AM manufactured parts are very important for the human body to accept the parts and growth of ligaments in case of implants like knee and hip joints. Cold Spray (CS) is method,basically a metal spray technique, has also been used to manufacture components as in AM by spraying metal into mold. The present paper discusses the comparison of surface roughness of the 316L stainless steel samples manufactures using SLM and cold spray. To observe the difference in the output parameter i.e surface roughness, the material used for experimentation was same i.e. 316L stainless steel powder. It has been observed that the surface roughness the material used for both the in CS is better as compared to SLM process.