Results 21 to 30 of about 87,277 (311)
Injection of vacancies at metal grain boundaries during the oxidation of nickel [PDF]
, 2004 Nickel foils have been oxidised at 1000 °C on one side only in laboratory air, the other side being protected from oxidation by a reducing atmosphere.
Pérusin, Simon +4 more
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Effects of austenitization temperature on the microstructure of 15BCr30 and PL22 boron steels [PDF]
Materials Research, 2013 This paper studies boron precipitation and segregation at austenitic grain boundaries for low carbon boron steels types: PL22 and 15BCr30. The following parameters were evaluated: percentage of martensite/bainite, size and nucleation sites of austenitic ...
C. A. Suski, C.A.S de Oliveira
doaj +3 more sources
An understanding of hydrogen embrittlement in nickel grain boundaries from first principles
Materials & Design, 2021 Here, the segregation and accumulation of hydrogen in Ni grain boundaries, and its effects on cohesion and tensile mechanical strength were studied by means of density functional theory simulations. Three model grain boundaries were considered: the Σ3(11¯
Han Lin Mai +4 more
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Phonon Transmission Across Silicon Grain Boundaries by Atomistic Green's Function Method
Frontiers in Physics, 2019 Nanostructured materials are of great interest for many applications because of their special properties. Understanding the effect of grain boundaries on phonon transport in polycrystals is important for engineering nanomaterials with desired thermal ...
Chen Li, Zhiting Tian
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Micromechanics of creep fracture: simulation of intergranular crack growth [PDF]
, 1998 A computational model is presented to analyze intergranular creep crack growth in a polycrystalline aggregate in a discrete manner and based directly on the underlying physical micromechanisms.
Giessen, Erik van der, +4 more
core +1 more source
Grain Growth-Controlled Giant Permittivity in Soft Chemistry CaCu3Ti4O12 Ceramics [PDF]
, 2007 We report a dielectric constant of up to 5.4105 at room temperature and 1 kHz for CaCu3Ti4O12 (CCTO) ceramics, derived from multiphase powders (coprecipitation products), made by a ‘‘chimie douce’’ (coprecipitation) method, and then sintered in air.
Durand, Bernard +5 more
core +1 more source
Metals, 2019 Among equiatomic alloys of the Cr-Mn-Fe-Co-Ni system, MnFeNi was shown to exhibit a strong anti-invar behavior but little is known regarding its mechanical properties. The objective of the present study is to investigate Hall–Petch strengthening by
Mike Schneider +4 more
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Heliyon, 2022 Due to limited basal slips, the recrystallization of Mg–Zn-Nd-Zr alloys originated at grain boundaries with large orientation gradient based on strain-induced-boundary-migration nucleation mechanism. The primary driving force of the recrystallization was
Fanxiao Kong +6 more
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Journal of Thermal Science and Technology, 2012 “Non-adhesion grain boundaries” are formed when low-quality coal grains do not adhere to other grains in the carbonization process because of the low dilation of coke.
Tetsuya KANAI +10 more
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The role of grain boundaries in solid-state Li-metal batteries
Materials Futures, 2022 Despite the potential advantages promised by solid-state batteries, the success of solid-state electrolytes has not yet been fully realised. This is due in part to the lower ionic conductivity of solid electrolytes.
Emily Milan, Mauro Pasta
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