Critical Evaluation on Structural Stiffness of Porous Cellular Structure of Cobalt Chromium Alloy

In order to improve the stiffness characteristics of orthopedic devices implants that mimic the mechanical behavior of bone need to be considered. With the capability of Additive layer manufacturing processes to produce orthopedic implants with tailored mechanical properties are needed. This paper d...

Full description

Bibliographic Details
Main Authors:	N. M. S., Abd Malek, S. R., Mohamed, S. A., Che Ghani, W. S., Wan Harun
Format:	Conference or Workshop Item
Language:	English
Published:	IOP Publishing Ltd 2015
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://umpir.ump.edu.my/id/eprint/11787/ http://umpir.ump.edu.my/id/eprint/11787/ http://umpir.ump.edu.my/id/eprint/11787/1/Critical%20evaluation%20on%20structural%20stiffness%20of%20porous%20cellular%20structure%20of%20cobalt%20chromium%20alloy.pdf

id	ump-11787
recordtype	eprints
spelling	ump-117872017-03-27T03:01:10Z http://umpir.ump.edu.my/id/eprint/11787/ Critical Evaluation on Structural Stiffness of Porous Cellular Structure of Cobalt Chromium Alloy N. M. S., Abd Malek S. R., Mohamed S. A., Che Ghani W. S., Wan Harun TJ Mechanical engineering and machinery In order to improve the stiffness characteristics of orthopedic devices implants that mimic the mechanical behavior of bone need to be considered. With the capability of Additive layer manufacturing processes to produce orthopedic implants with tailored mechanical properties are needed. This paper discusses finite element (FE) analysis and mechanical characterization of porous medical grade cobalt chromium (CoCr) alloy in cubical structures with volume based porosity ranging between 60% to 80% produced using direct metal laser sintering (DMLS) process. ANSYS 14.0 FE modelling software was used to predict the effective elastic modulus of the samples and comparisons were made with the experimental data. The effective mechanical properties of porous samples that were determined by uniaxial compression testing show exponential decreasing trend with the increase in porosity. Finite element model shows good agreement with experimentally obtained stress-strain curve in the elastic regions. The models prove that numerical analysis of actual prosthesis implant can be computed particularly in load bearing condition IOP Publishing Ltd 2015 Conference or Workshop Item PeerReviewed application/pdf en cc_by http://umpir.ump.edu.my/id/eprint/11787/1/Critical%20evaluation%20on%20structural%20stiffness%20of%20porous%20cellular%20structure%20of%20cobalt%20chromium%20alloy.pdf N. M. S., Abd Malek and S. R., Mohamed and S. A., Che Ghani and W. S., Wan Harun (2015) Critical Evaluation on Structural Stiffness of Porous Cellular Structure of Cobalt Chromium Alloy. In: IOP Conference Series: Materials Science and Engineering, 3rd International Conference On Mechanical Engineering Research (ICMER2015), 18-19 August 2015 , Kuantan, Pahang. pp. 1-10., 100 (1). http://dx.doi.org/10.1088/1757-899X/100/1/012019
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery N. M. S., Abd Malek S. R., Mohamed S. A., Che Ghani W. S., Wan Harun Critical Evaluation on Structural Stiffness of Porous Cellular Structure of Cobalt Chromium Alloy
description	In order to improve the stiffness characteristics of orthopedic devices implants that mimic the mechanical behavior of bone need to be considered. With the capability of Additive layer manufacturing processes to produce orthopedic implants with tailored mechanical properties are needed. This paper discusses finite element (FE) analysis and mechanical characterization of porous medical grade cobalt chromium (CoCr) alloy in cubical structures with volume based porosity ranging between 60% to 80% produced using direct metal laser sintering (DMLS) process. ANSYS 14.0 FE modelling software was used to predict the effective elastic modulus of the samples and comparisons were made with the experimental data. The effective mechanical properties of porous samples that were determined by uniaxial compression testing show exponential decreasing trend with the increase in porosity. Finite element model shows good agreement with experimentally obtained stress-strain curve in the elastic regions. The models prove that numerical analysis of actual prosthesis implant can be computed particularly in load bearing condition
format	Conference or Workshop Item
author	N. M. S., Abd Malek S. R., Mohamed S. A., Che Ghani W. S., Wan Harun
author_facet	N. M. S., Abd Malek S. R., Mohamed S. A., Che Ghani W. S., Wan Harun
author_sort	N. M. S., Abd Malek
title	Critical Evaluation on Structural Stiffness of Porous Cellular Structure of Cobalt Chromium Alloy
title_short	Critical Evaluation on Structural Stiffness of Porous Cellular Structure of Cobalt Chromium Alloy
title_full	Critical Evaluation on Structural Stiffness of Porous Cellular Structure of Cobalt Chromium Alloy
title_fullStr	Critical Evaluation on Structural Stiffness of Porous Cellular Structure of Cobalt Chromium Alloy
title_full_unstemmed	Critical Evaluation on Structural Stiffness of Porous Cellular Structure of Cobalt Chromium Alloy
title_sort	critical evaluation on structural stiffness of porous cellular structure of cobalt chromium alloy
publisher	IOP Publishing Ltd
publishDate	2015
url	http://umpir.ump.edu.my/id/eprint/11787/ http://umpir.ump.edu.my/id/eprint/11787/ http://umpir.ump.edu.my/id/eprint/11787/1/Critical%20evaluation%20on%20structural%20stiffness%20of%20porous%20cellular%20structure%20of%20cobalt%20chromium%20alloy.pdf
first_indexed	2023-09-18T22:12:45Z
last_indexed	2023-09-18T22:12:45Z
_version_	1777415137018249216

Critical Evaluation on Structural Stiffness of Porous Cellular Structure of Cobalt Chromium Alloy

Similar Items