Nanoscale size effects on pulsed laser coating of hydroxyapatite/titanium nanoparticles on metal substrate is discussed in this article. Laser coating method has recently been developed to coat bioceramics material on Ti-6Al-4V substrate. Laser-coated bioceramics implants have several advantages due to the use of nanosized materials: strong interfacial bonding strength, good biocompatibility and potentially longer lifetime cycle. These advantages benefit from intrinsic properties of nanoparticles. Size effects on melting point, heat capacity, thermal and electrical conductivities have been discussed. Multiphysics model is built to reveal the mechanism of laser coating process. Two sub-modules are included in the model: electromagnetic module to represent the laser-nanoparticle interactions and heat transfer module to simulate the heat conduction. Both simulation and experimental results showed that nanoTi, functioning as nanoheaters, effectively enhances the laser coating sinterability. For large nanoTi (>100 nm), sinterability enhancement mainly attributes to the stronger laser-particle interactions due to higher plasmon resonance; for small nanoparticles (<100 nm), not only stronger laser-nanoparticle interactions, reduction on melting point also contributes to sinterability enhancement.
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ASME 2011 International Manufacturing Science and Engineering Conference
June 13–17, 2011
Corvallis, Oregon, USA
Conference Sponsors:
- Manufacturing Engineering Division
ISBN:
978-0-7918-4431-1
PROCEEDINGS PAPER
Nanoscale Size Dependence on Metallic Nanoparticles: Case Study of Titanium Nanoparticles on Pulsed Laser Sintering of Hydroxyapatite/Titanium Nanoparticles Available to Purchase
Martin Y. Zhang,
Martin Y. Zhang
Purdue University, West Lafayette, IN
Search for other works by this author on:
Gary J. Cheng
Gary J. Cheng
Purdue University, West Lafayette, IN
Search for other works by this author on:
Martin Y. Zhang
Purdue University, West Lafayette, IN
Gary J. Cheng
Purdue University, West Lafayette, IN
Paper No:
MSEC2011-50296, pp. 449-461; 13 pages
Published Online:
September 14, 2011
Citation
Zhang, MY, & Cheng, GJ. "Nanoscale Size Dependence on Metallic Nanoparticles: Case Study of Titanium Nanoparticles on Pulsed Laser Sintering of Hydroxyapatite/Titanium Nanoparticles." Proceedings of the ASME 2011 International Manufacturing Science and Engineering Conference. ASME 2011 International Manufacturing Science and Engineering Conference, Volume 2. Corvallis, Oregon, USA. June 13–17, 2011. pp. 449-461. ASME. https://doi.org/10.1115/MSEC2011-50296
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