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Physical and mechanical characteristics of porous SS316L for biomedical implant

Mat Noor, Fazimah and Jamaludin, Khairur Rijal and Ahmad, Sufizar (2017) Physical and mechanical characteristics of porous SS316L for biomedical implant. In: 29th Regional Conference of Solid State Science and Technology, RCSSST 2016, 15 - 17 November 2016, Johor Bahru, Johor.

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Official URL: http://dx.doi.org/10.4028/www.scientific.net/SSP.2...


Porous materials with open and interconnected pores are very interesting for biomedical applications as it provides a good base for the natural formation of bone ingrowth. Besides, it also allows for body fluid transportation through the interconnected network. Therefore, in this work, foam replication method has been used to produce porous SS316L. The SS316L slurries were prepared by ball milling and mechanical stirring method. The effect of using these two different methods on the physical and mechanical characteristics of porous SS316L has been observed. The polyurethane (PU) foam has been used as a sacrificial template. Sintering process was carried in a high vacuum (10-4 bar) furnace at 1200°C, 1250°C and 1300°C. The overall results show that increasing the sintering temperature from 1200°C to 1300°C and the using of different slurry mixing methods had significantly affect the physical and mechanical properties of the porous SS316L produced. The density, porosity percentage and compression strength found for this porous SS316L were in the range of 1.35g/cm3-3g/cm3, 62% - 83%, and 30.6MPa-79MPa respectively. The SEM images also show that the microstructure of this porous SS316L mostly consisted of open and interconnected pores. Therefore, these results are very promising for biomedical implant application.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:porous ss316l, porous stainless steel, Ss316l foam
Subjects:T Technology > T Technology (General)
Divisions:Razak School of Engineering and Advanced Technology
ID Code:97326
Deposited By: Narimah Nawil
Deposited On:28 Sep 2022 16:20
Last Modified:28 Sep 2022 16:20

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