The effect of steel ball diameter variation in dry shot peening process on surface roughness and corrosion rate of AISI 316L implant material

Stainless steel, or also called as inox steel is a material that has a resistivity to the oxide reaction in an oxygen-containing environment. This study uses AISI 316L stainless steel material which is a biomedical implant as a raw material that obtains surface modification technique to obtain new m...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2019-03, Vol.494 (1), p.12092
Main Authors: Pramudia, M, Prasetyo, T, Umami, M K, Alfita, R, Nahari, R V, Widodo, T D, Raharjo, R
Format: Article
Language:English
Subjects:
AISI 316L
Biomedical materials
Body fluids
Corrosion rate
Corrosion resistance
Corrosion tests
dry shot peening
Mechanical properties
Shot peening
Stainless steel
Stainless steels
steel ball diameter
Surface roughness
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Summary:Stainless steel, or also called as inox steel is a material that has a resistivity to the oxide reaction in an oxygen-containing environment. This study uses AISI 316L stainless steel material which is a biomedical implant as a raw material that obtains surface modification technique to obtain new mechanical properties. Surface modification technique uses dry shot peening process by varying steel ball diameter as an abrasive material shot on the surface of steel ball at high speed. The steel ball used is AISI 440 C type with a hardness level of HRC 50-55. The results show that the level of material surface roughness will decrease along with the increasing (bigger) size of steel ball diameter used. The results of corrosion test on SBF solution (simulated body fluid) show an increase in corrosion resistance along with the decreasing (smaller) size of steel ball diameter used.
ISSN:1757-8981
1757-899X
1757-899X
DOI:10.1088/1757-899X/494/1/012092