| EPSRC Reference: |
GR/L35737/01 |
| Title: |
COHERENCY STRAIN AND MICROSTRUCTURE FOR STRONG MATERIALS |
| Principal Investigator: |
Kidd, Dr P |
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| Department: |
Physics |
| Organisation: |
Queen Mary University of London |
| Scheme: |
Standard Research (Pre-FEC) |
| Starts: |
04 August 1997 |
Ends: |
03 August 2000 |
Value (£): |
112,673
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| EPSRC Research Topic Classifications: |
| Materials Characterisation |
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Summary on Grant Application Form |
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We will first construct a high temperature miniature tensometer for direct tensile testing of epitaxial layers at temperatures up to 100c. Then a series of semiconductor strain-balanced superlattices (InGaAs on InP substrates) will be grown by the Sheffield Central Facility. Tensile strength will be measured as a function of layer thickness and layer strains. We expect to find dramatically improved tensile strength together with the possibility of designing the structure for a specific elastic limit.In parallel, the growth of superlattices based on aluminium and alloys available in a III-Growth reactor will be developed by Dr Missous at UMIST. These alloys may include AlBe, AlSi, AlGa or AlIn. When the quality is comparable with that of the semiconductor layers, a similar mechanical testing programme will start. We expect to be able to demonstrate enhanced strength at temperatures above the normal limit for aluminium alloys.
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Key Findings |
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Potential use in non-academic contexts |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Impacts |
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| Description |
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk |
| Summary |
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| Date Materialised |
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Sectors submitted by the Researcher |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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