Objective
Many manufacturing industries use thermally shock
resistant ceramics for energy production and for handling
hot liquids and gases and there is a constant need for
improved materials. The development of new refractory
materials has always proceeded on a largely empirical
basis as existing descriptions of thermal shock
resistance have not proved particularly helpful. Existing
theoretical ideas have always attempted to separate the
materials variables controlling fracture from the way in
which the thermal field develops in the material.
The approach in this work is to combine these two, using
numerical techniques, thus allowing the process of crack
growth to be followed continuously as the thermal field
changes, giving quantitative predictions of crack growth
and the reduction in properties which will be compared
with experiments. These ideas will also be extended to
investigate how cracks grow under cyclic loading, hence
addressing the critical problem of reliability in an
entirely quantitative fashion This gives a tool which can
be used to predict what microstructural changes might
lead to improvements in thermal shock resistance.
To investigate whether this approach is useful, it is
intended to address an existing industrial problem,
namely whether all oxide microstructures can be developed
which are suitable for use in the flow control of liquid
steel, replacing the existing carbon bonded materials.
To do this, work will also be carried out to study, where
needed, how each of the individual materials variables
changes with microstructure to give the range of input
data for the micromechanics modelling. Three different
microstructures will be investigatedmicrocracked,
layered and porous structures.
To see whether these ideas can be used in practice,
experiments will be carried out to investigate the
thermal shock behaviour in laboratory and near
application tests, which are thought to more nearly
simulate real conditions. These will be supplemented by
experiments on small components operating in real
conditions. To compare the behaviour of the component
with that predicted, work will be carried out before the
testing to measure the mechanical and thermal fields in
the appropriate components. To identify features in the
processing routes that may contribute unduly to
manufacturing costs, an activity assessing these has been
included.
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 physical sciences classical mechanics fluid mechanics fluid dynamics
- engineering and technology materials engineering ceramics
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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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
CB2 3QZ Cambridge
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.