Effect of Time Variation on Shot Peening Process to the Surface Properties of SS-316L Osteosynthesis Plate

Abstract:

Shot-peening is one of the surface modification methods to increase material hardness and smoothen its surface at the same time. SS-316L, one type of biocompatible material, is commonly used in medical field particularly for joining fractured bones. However, the surface-crack-prone characteristic of SS-316L has limited its application to be used for such application. In this research, steel balls with diameter 0.4 mm is subjected to the surface of SS-316L Osteosynthesis Plate with variation of time; 9, 10, 11 and 12 minutes holding at constant pressure of 6 bar. The nozzle-to-plate distance is fixed at 100 mm. The impact of the shot balls is a deformed surface and produces a flat-like structure on osteosynthesis plate shot in 12 minutes time. The result shows that shot peening of SS 316L gives its best microstructure after 12 minutes of treatment.

• Periodical: Applied Mechanics and Materials (Volume 842)
• Pages: 430-434
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.842.430
• Online since: June 2016
• Authors: Panji Prihandoko*, Y.R. Saputra, Tutik Sriani, Sunardi Sunardi, Gunawan Setia Prihandana
• Keywords: Microstructure, Osteosynthesis Plate, Shot Peening, Ss 316L

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