Objective
At present, there is a tremendous industrial need for
materials with major engineering applications in these
situations where tribology is important, exemplified by
machining and metal forming (cutting/milling inserts,
extrusion/drawing dies), bearings, gears, valve
guides/tappets in engines and in valves, seals and
bearings involving fluid and gas transport often under
corrosive conditions. The majority of these applications
are currently served by hard steels and WC based hard
metals with or without surface coatings. New materials or
improved existing materials, however, are needed. The
materials of interest will have to combine high hardness,
modulus and wear resistance coupled with relatively low
density, resulting in low inertia under reciprocating
stresses. The fundamental understanding of the
relationship between composition, microstructure,
processing route, wear behaviour and performance should
be clarified in order to optimally use the engineered
materials in tribological applications.
The broad objectives of this basic research proposal are:
i. To further develop and refine processing routes and
microstructures of 3 novel types of TiB2 based materials,
two ceramics and one cermet, which have potential
applications as low density/high modulus wear and bearing
components with emphasis on minimising fabrication costs,
coupled with higher performance than existing components.
Two grades of each material type will be developed.
Target properties for these materials are: for the first
class of ceramics, a toughness of up to 10 MPa m1/2
coupled with a hardness of up to 25 GPa at a density of
3.5 g/cm3. For the second class of ceramics, a toughness
of up to 10 MPa m1/2 coupled with a hardness > 15 GPa at
a density of 5.5 g/cm3. For the cermets, a toughness of
up to 16 MPa m1/2 coupled with a hardness of 17 GPa and a
density of 6 g/cm3. In addition, the difficult to
quantify chemical inertness of the selected materials in
the tribological environment has been taken into account.
ii. To establish a fundamental data base for
microstructure / tribology relationships and to
understand micro mechanisms for wear with reference to
surface contact stress and environment.
iii. To assess the performance of selected
microstructures in specific industrial application
conditions, via simulation in laboratory tests for ball
valves and grinding quills and as real component cutting
tool inserts, under realistic operational conditions. The
fundamental understanding of the composition /
microstructure / processing / wear behaviour /
performance relationship will enable application specific
design, what is largely lacking at present.
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.
- engineering and technology mechanical engineering manufacturing engineering subtractive manufacturing
- engineering and technology materials engineering coating and films
- engineering and technology materials engineering ceramics
- engineering and technology mechanical engineering tribology
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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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.
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Funding Scheme
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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
CV4 7AL Coventry
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.