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596 results on '"Principi G"'

31. Effect of annealing current density on the microstructure of nanocrystalline FeCuNbSiB alloy

Author

Gupta, P., Gupta, A., Principi, G., Maddalena, A., Bernstorff, S., and Amenitsch, H.

Subjects
Annealing -- Analysis, Nanotechnology -- Research, Iron alloys -- Thermal properties, Iron alloys -- Magnetic properties, Physics
Abstract

The effect of annealing current density on the structure of the resulting nanocrystalline phase in the amorphous [Fe.sub.73.9][Nb.sub.3.1][Cu.sub.0.9][Si.sub.13.2][B.sub.8.9] alloy is examined. The ex situ Mossbauer spectroscopy measurements on current annealed samples have indicated a variation, with increasing current density, in the composition of the nanocrystalline grains and/or the amorphous grain boundary phase.

Published
2007

47. The stratigraphic and structural setting of metamorphic continental units from Alpine Corsica: clues from the area between Asco and Golo valleys (Central Corsica, France)

Author

Malasoma A.[1], Morelli G.[2, Di Rosa M.[4], Marroni M.[4, Pandeli E.[2, Principi G.[3], and Pandolfi L.[4

Subjects
lcsh:Maps, HP-LT metamorphism, polyphase deformation, continental crust, ophiolites, Alpine Corsica, 010504 meteorology & atmospheric sciences, Metamorphic rock, Continental crust, Geography, Planning and Development, 010502 geochemistry & geophysics, Ophiolite, 01 natural sciences, Paleontology, hp-lt metamorphism, lcsh:G3180-9980, alpine corsica, Earth and Planetary Sciences (miscellaneous), Geology, 0105 earth and related environmental sciences
Abstract

The area between the Asco and Golo valleys in Central Corsica, France (latitudes 42°47′95″N to 42°37′96″N, longitudes from 9°11′82″E to 9°20′72″E) is a key-sector to investigate the stratigraphic and tectonic setting of Alpine Corsica. This sector includes (from the structurally lowest to the highest) the Hercynian Corsica, that represents the European continental margin not deeply involved in the convergence processes, and a stack of oceanic and continental units belonging to the Alpine Corsica, i.e. the domain strongly affected by the Alpine deformation and metamorphism in the Late Cretaceous-Paleogene. The 1:15,000 scale geological map illustrates the tectonic features of Alpine Corsica stack with a special focus to the Lower Units, the units derived from the European thinned continental margin involved in the Alpine convergence.

Published
2020
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