Next generation of complex metallic materials with.. (INTELHYB)
Next generation of complex metallic materials with intelligent hybrid structures
Date du début: 1 févr. 2014,
Date de fin: 31 janv. 2019
In a modern society, metallic materials are crucially important (e.g. energy, safety, infrastructure, transportation, health, medicine, life sciences, IT). Contemporary examples with inherent challenges to be overcome are the design of ultrahigh specific strength materials. There is a critical need for successful developments in this area in particular for reduced energy consumption, reduction of pollutant emissions and passenger safety. Alternative approaches include improved thermal stability and creep resistance of high-temperature alloys for energy conversion, which are generally used in power plants and turbine engines, high temperature process technology, and fossil-fuel driven engines. The ageing European society makes biomedical materials for implant and stent design also crucially important. A drawback of nearly all current high strength metallic materials is that they lack ductility (i.e. are brittle and hard to form)- or on the opposite side, they may be highly ductile but lack strength. The key concept behind INTELHYB is to define new routes for creation of tailored metallic materials based on scale-bridging intelligent hybrid structures enabling property as well as function optimization. The novelty of this proposal as compared to conventional ideas is that they apply to monolithic amorphous materials or bulk microcrystalline. The basis will be founded on innovative strategies for the design, synthesis and characterization of intrinsic length-scale modulation and phase transformation under highly non-equilibrium conditions. This will include the incorporation of dispersed phases which are close to or beyond their thermodynamic and mechanical stability limit thus forming a hierarchically structured hybrid and ductile/tough alloys. Alternatively, the material itself will be designed in a manner such that it is at the verge of its thermodynamic/mechanical stability.
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