Porous Titanium Scaffolds Fabricated by Metal Injection Moulding Using Potassium-Chloride and Space Holder

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</div> <div class="card publication-listing mt-3 mb-3"> <h5 class="card-header" style="font-size:.9rem">Porous Titanium Scaffolds Fabricated by Metal Injection Moulding Using Potassium-Chloride and Space Holder</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ali%20Dehghan%20Manshadi">Ali Dehghan Manshadi</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20H.%20StJohn"> David H. StJohn</a>, <a href="https://publications.waset.org/abstracts/search?q=Matthew%20S.%20Dargusch"> Matthew S. Dargusch</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Qian"> M. Qian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Biocompatible, highly porous titanium scaffolds were manufactured by metal injection moulding of spherical titanium powder (powder size: -45 碌m) with potassium chloride (powder size: -250 碌m) as a space holder. Property evaluation of scaffolds confirmed a high level of compatibility between their mechanical properties and those of human cortical bone. The optimum sintering temperature was found to be 1250掳C producing scaffolds with more than 90% interconnected pores in the size range of 200-250 碌m, yield stress of 220 MPa and Young鈥檚 modulus of 7.80 GPa, all of which are suitable for bone tissue engineering. Increasing the sintering temperature to 1300掳C increased the Young鈥檚 modulus to 22.0 GPa while reducing the temperature to 1150掳C reduced the yield stress to 120 MPa due to incomplete sintering. The residual potassium chloride was determined vs. sintering temperature. A comparison was also made between the porous titanium scaffolds fabricated in this study and the additively manufactured titanium lattices of similar porosity reported in the literature. <iframe src="https://publications.waset.org/abstracts/82116.pdf" style="width:100%; height:400px;" frameborder="0"></iframe> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=titanium" title="titanium">titanium</a>, <a href="https://publications.waset.org/abstracts/search?q=metal%20injection%20moulding" title=" metal injection moulding"> metal injection moulding</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20properties" title=" mechanical properties"> mechanical properties</a>, <a href="https://publications.waset.org/abstracts/search?q=scaffolds" title=" scaffolds"> scaffolds</a> </p> <a href="https://publications.waset.org/abstracts/82116/porous-titanium-scaffolds-fabricated-by-metal-injection-moulding-using-potassium-chloride-and-space-holder" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/82116.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">208</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th foundational 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Porous Titanium Scaffolds Fabricated by Metal Injection Moulding Using Potassium-Chloride and Space Holder