- Title
- Fatigue performance optimisation of a transtibial prosthetic socket adapter
- Creator
- Le Roux, P.A.
- Subject
- Titanium alloys - Industrial applications, Titanium alloys - Fatigue, Prosthesis industry, Titanium alloys - Mechanical properties, Biomedical engineering
- Date
- 2017
- Type
- Masters (Thesis)
- Identifier
- http://hdl.handle.net/10210/269739
- Identifier
- uj:28659
- Description
- Abstract: This dissertation presents an optimisation of a male pyramid socket adapter used on a transtibial prosthetic for enhanced fatigue life. The current design was investigated by Finite Element Analyses in combination with the load criteria set by the ISO 10328:2006 standard. The geometry was optimised without an increase in weight to reduce the maximum first principal stress from 773,91 MPa to 578,41 MPa while adhering to the industry standards for pyramid socket adapter design. Experimental testing were conducted to evaluate the optimization. Both the current and optimised designs where manufactured from a single billet of Grade 5 Titanium (Ti6Al4V) and subjected to low-cycle fatigue testing to simulate a resultant knee bending moment. The fatigue analysis indicated an improvement in fatigue life of approximately 290% for the optimized design for the load case evaluated., M.Ing. (Mechanical Engineering)
- Contributor
- Laubscher, R.F., Prof.
- Language
- English
- Rights
- University of Johannesburg
- Full Text
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