Development and characterization of SS316L foam prepared by powder metallurgy route
Open cell foams, made on the basis of polyurethane foams replication method are well known and had been widely used since decades. The advantage of the network-like metal foams is it exhibits a natural bone-like structure which enables ingrowth of bone cells and blood vessels. The aim of the present...
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| Main Authors: | , , , , |
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| Format: | Article |
| Published: |
Trans Tech Publications Inc
2014
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| Subjects: | |
| Online Access: | http://www.dx.doi.org/10.4028/www.scientific.net/AMM.534.31 http://www.dx.doi.org/10.4028/www.scientific.net/AMM.534.31 http://eprints.uthm.edu.my/8118/1/fazimah_(fkmp)_x.pdf |
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| Summary: | Open cell foams, made on the basis of polyurethane foams replication method are well
known and had been widely used since decades. The advantage of the network-like metal foams is
it exhibits a natural bone-like structure which enables ingrowth of bone cells and blood vessels. The
aim of the present study is to develop SS316L foam with an open cell structure by using powder
metallurgy routes via foam replication method. The SS316L slurry was produced by mixing
SS316L powder with Polyethylene Glycol (PEG), Methylcellulose (CMC) and distilled water. The
composition of the SS316L powder in the slurry was varied from 40 to 60 wt. %. Then, polymeric
foam template was impregnated in SS316L slurry and dried at room temperature. Sintering was
carried out in a high temperature vacuum furnace at 1300°C. The microstructure of the SS316L
foam produced was observed by Scanning Electron Microscope (SEM) and the elemental analysis
was carried by Energy Dispersive X-ray (EDX). It was found that pore size are within 200-400μm
and the average pore size is 293μ. The detected elements in the SS316L foam were C, Al, Ca, O,
Cr, Fe, Mo, Ni and Si. |
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