نتایج جستجو برای: metal foams
تعداد نتایج: 201325 فیلتر نتایج به سال:
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Nickel–aluminide foams were synthesized from unalloyed nickel foams by using a two-step, high-activity pack-aluminizing process at 1273 K. After processing, the nickel–aluminide foams exhibited the original structure of the original nickel foams (open-cells with hollows struts and low density). Single-phase NiAl foams, with average composition within 1 wt.% of stoichiometry and with 92% open po...
Composite metal foams (CMFs) are hybrid structures, which usually produced from separate parts, and not in one step as functional, structural elements. Functional CMFs characterized by high strength, stiffness, extreme energy absorbing properties compared with conventional metallic foams, allow them to be used load-bearing Test specimens made AlMgSi0.5 tubes the wall thickness of 5 mm. AlSi12 c...
Collagen I foams are used in the clinic as scaffolds to promote articular cartilage repair as they provide a bioactive environment for cells with chondrogenic potential. However, collagen I as a base material does not allow for precise control over bioactivity. Alternatively, recombinant bacterial collagens can be used as "blank slate" collagen molecules to offer a versatile platform for incorp...
In this paper we review the basic concepts of integral-geometry-based morphological image analysis. This approach yields an objective, numerical characterization of twoand threedimensional patterns in terms of geometrical and topological descriptors called Minkowski functionals. We review its mathematical foundation and show that it is easy to put the theory into practice by presenting simple c...
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