Objective
The near equiatomic intermetallic nickel titanium (NiTi) has remarkable properties. It is a shape memory alloy that exhibits considerable super-elasticity. Super-elastic NiTi is of special interest as it has elastic properties which are far closer to bone than conventional metallic materials. Although concerns have been expressed regarding the high quantity of potentially toxic nickel in the metal; a wide range of studies have shown that nickel release from these alloys is low and poses little risk to patients.
The biocompatibility of NiTi is attributed to the formation of a highly corrosion resistant titania surface film. In recent years considerable research has been carried out into mechanisms for increasing the biocompatibility of titanium by modifying the surface chemistry of the metal to enhance the growth of hydroxyapatite phases on the surface. It has been shown that a wide variety of surface modification techniques may be employed to this end.
This proposal aims to extend the work carried out on Ti to NiTi surfaces. The modification procedures proposed are combined alkali and heat treatments and calcium ion implantation. It is vital that any surface modification does not compromise the passive titanium oxide film resulting in increased ion release. Therefore, it is proposed to monitor the properties and form of the oxide film using X-ray photoelectron spectroscopy (conventional and depth profiling), secondary ion mass spectrometry (static and dynamic), white light interferometry, goniometry and ion-chromatography. Bioactivity of the resulting surfaces will be assessed by measuring the ability to precipitate calcium phosphates from simulated body fluid and the performance of osteoblast cells on the surfaces.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences chemical sciences electrochemistry electrolysis
- natural sciences chemical sciences inorganic chemistry transition metals
- natural sciences physical sciences astronomy planetary sciences planetary geology
- natural sciences chemical sciences inorganic chemistry alkaline earth metals
- natural sciences chemical sciences analytical chemistry mass spectrometry
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
FP6-2004-MOBILITY-5
See other projects for this call
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
LONDON
United Kingdom
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.