Ultrathin passive films effectively prevent the chemical attack of stainless steel grades in corrosive environments; their stability depends on the interplay between structure and chemistry of the ...constituents iron, chromium, and molybdenum (Fe-Cr-Mo). Carbon (C), and eventually boron (B), are also important constituents of steels, although in small quantities. In particular, nanoscale inhomogeneities along the surface can have an impact on material failure but are still poorly understood. Addressing a stainless-type glass-forming Fe 50 Cr 15 Mo 14 C 15 B 6 alloy and using a combination of complementary high-resolution analytical techniques, we relate near-atomistic insights into increasingly inhomogeneous nanostructures with time- and element-resolved dissolution behavior. The progressive elemental partitioning on the nanoscale determines the degree of passivation. A detrimental transition from Cr-controlled passivity to Mo-controlled breakdown is dissected atom by atom, demonstrating the importance of nanoscale knowledge for understanding corrosion.
Provider: - Institution: - Data provided by Europeana Collections- Falques publicitàries. Carnestoltes a Discoteca Dallas.
Conjunt residencial S'Agaró.
Cristalleries Girona.
Farentino (carrer de la ...Creu).
Farentino (castellà).
Requeterebaixes de Fanals Bosch (av. Jaume I).
Hotel restaurant Nieves Mar.
Forn de pa El Fornet (c. Migdia).
Radiadors Antonio, radiadors metàl·lics per automòbils (c. Pedret).
Serralleria Pere Collell (Llagostera).
Transports Girona.
Mudances Girona.
Filatèlia i numismàtica Ordóñez.
Diputació de Girona.
Inter Clisset Carrier.
Llibreria i papereria Romaguera (L'Escala).
MRW missatgers.
Mobles Minipreu.
Tallers Ferrer (L'Escala).
Mama & Bebé (pça. Poeta Marquina).
Fotocopiadores de lloguer de Comercial Mulet (Barcelona).
Botiga el Cau del Llop (Salt).
Primer Saló del Col·leccionisme de Girona.
Reial Automòbil Club de Catalunya.
Urbanització Mas Vilà (Sant Antoni de Calonge).
Apartaments el Mirador (Begur) (min. 20).
Grup Costa Brava (Palamós).
Discoteca Galaxy (la Devesa).
Jovenalles (Salt).
Confeccions Ángeles (Salt).
Restaurant la Gran Muralla.
Teico (pça. Poeta Marquina).
Calçats Torres (Anglès).
Cafeteria restaurant Arosa (c. Barcelona).
Grup Costa Brava (Palamós).
Urbanització Mas Vilà (Sant Antoni de Calonge).
La Fundació Caixa de Pensions presenta Trios de Hayden, Mozart i Beethoven.
Slender You (Banyoles).
Suzuki Santana Samurai a Garatge Blanch (Fornells de la Selva).
Àngel Blach concessionari Opel (Fornells de la Selva).
Opel Cadet a Àngel Blach (Fornells de la Selva).
El Cau del llop (Salt).
Botiga Idoni (c. Santa Eugènia).
Camiones Itsa (en castellà).
Camions Itsa (en català).
Botiga Idoni 2.
Mosquitera Sumace SA (c. Santa Eugènia).
Compacte de finestra a Sumace SA.- All metadata published by Europeana are available free of restriction under the Creative Commons CC0 1.0 Universal Public Domain Dedication. However, Europeana requests that you actively acknowledge and give attribution to all metadata sources including Europeana
Provider: - Institution: - Data provided by Europeana Collections- Falques publicitàries.- Carnestoltes a Discoteca Dallas.
Conjunt residencial S'Agaró.
Cristalleries Girona.
Farentino (carrer de la ...Creu).
Farentino (castellà).
Requeterebaixes de Fanals Bosch (av. Jaume I).
Hotel restaurant Nieves Mar.
Forn de pa El Fornet (c. Migdia).
Radiadors Antonio, radiadors metàl·lics per automòbils (c. Pedret).
Serralleria Pere Collell (Llagostera).
Transports Girona.
Mudances Girona.
Filatèlia i numismàtica Ordóñez.
Diputació de Girona.
Inter Clisset Carrier.
Llibreria i papereria Romaguera (L'Escala).
MRW missatgers.
Mobles Minipreu.
Tallers Ferrer (L'Escala).
Mama & Bebé (pça. Poeta Marquina).
Fotocopiadores de lloguer de Comercial Mulet (Barcelona).
Botiga el Cau del Llop (Salt).
Primer Saló del Col·leccionisme de Girona.
Reial Automòbil Club de Catalunya.
Urbanització Mas Vilà (Sant Antoni de Calonge).
Apartaments el Mirador (Begur) (min. 20).
Grup Costa Brava (Palamós).
Discoteca Galaxy (la Devesa).
Jovenalles (Salt).
Confeccions Ángeles (Salt).
Restaurant la Gran Muralla.
Teico (pça. Poeta Marquina).
Calçats Torres (Anglès).
Cafeteria restaurant Arosa (c. Barcelona).
Grup Costa Brava (Palamós).
Urbanització Mas Vilà (Sant Antoni de Calonge).
La Fundació Caixa de Pensions presenta Trios de Hayden, Mozart i Beethoven.
Slender You (Banyoles).
Suzuki Santana Samurai a Garatge Blanch (Fornells de la Selva).
Àngel Blach concessionari Opel (Fornells de la Selva).
Opel Cadet a Àngel Blach (Fornells de la Selva).
El Cau del llop (Salt).
Botiga Idoni (c. Santa Eugènia).
Camiones Itsa (en castellà).
Camions Itsa (en català).
Botiga Idoni 2.
Mosquitera Sumace SA (c. Santa Eugènia).
Compacte de finestra a Sumace SA.- All metadata published by Europeana are available free of restriction under the Creative Commons CC0 1.0 Universal Public Domain Dedication. However, Europeana requests that you actively acknowledge and give attribution to all metadata sources including Europeana
Understanding phase changes, including their formation and evolution, is critical for the performance of functional as well as structural materials. We analyze in detail microstructural and chemical ...transformations of the amorphous steel Fe50Cr15Mo14C15B6 during isothermal treatments at temperatures ranging from 550 to 800°C. By combining high-resolution transmission electron microscopy and Rietveld analyses of X-ray diffraction patterns together with the local chemical data obtained by atom probe tomography, this research provides relevant information at the atomic scale about the mechanisms of crystallization and the subsequent phases evolution. During the initial stages of crystallization a stable (Fe,Cr)23(C,B)6 precipitates as well as two metastable intermediates of M3(C,B) and the intermetallic χ-phase. When full crystallization is reached, only a percolated nano-scale Cr-rich (Fe,Cr)23(C,B)6 and Mo-rich η-Fe3Mo3C structure is detected, with no evidence to suggest that other phases appear at any subsequent time. Finally, the corrosion behavior of the developed phases is discussed from considerations of the obtained atomic information.
The dynamic mechanical relaxation of metallic glasses is closely associated with the physical and mechanical properties. In the current work, the dynamic mechanical relaxation behaviors of ...Cu46Zr45Al7Y2 and La65Al14(Cu5/6Ag1/6)11(Ni1/2Co1/2)10 bulk metallic glasses are investigated by mechanical spectroscopy. In general, metallic glasses display two relaxation modes: main (α) relaxation and the slow secondary (β) relaxation. The α relaxation is linked to the dynamic glass transition phenomenon and viscous flow while the slow β relaxation is associated with many fundamental issues, such as diffusion and glass transition phenomenon. The experimental study shows La65Al14(Cu5/6Ag1/6)11(Ni1/2Co1/2)10 bulk metallic glass displays a noticeable slow β relaxation. Contrarily, the Cu46Zr45Al7Y2 bulk metallic glass relaxation process takes the form of an “excess wing”. In the framework of quasi-point defects (QPD) theory, the dynamic mechanical response of the metallic glasses is discussed.
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