Results 91 to 100 of about 11,520 (212)

Element Replacement Approach by Reaction with Lewis Acidic Molten Salts to Synthesize Nanolaminated MAX Phases and MXenes

open access: yes, 2019
Nanolaminated materials are important because of their exceptional properties and wide range of applications. Here, we demonstrate a general approach to synthesize a series of Zn-based MAX phases and Cl-terminated MXenes originating from the replacement ...
Chai, Zhifang   +14 more
core   +2 more sources

Non-Stoichiometry and Calphad Modeling of Frank-Kasper Phases

open access: yesApplied Sciences, 2012
One of the many singularities of Frank-Kasper phases is their ability to accommodate extremely large composition ranges by atom mixing on the different sites of the crystal structures.
Jean-Marc Joubert, Jean-Claude Crivello
doaj   +1 more source

Rheo-processing of an alloy specifically designed for semi-solid metal processing on the Al-Mg-Si system [PDF]

open access: yes, 2008
Semi-solid metal (SSM) processing is a promising technology for forming alloys and composites to near-net shaped products. Alloys currently used for SSM processing are mainly conventional aluminium cast alloys.
Fan, Z, Liu, YQ, Patel, JB, Shao, G
core  

First-principles study of the energetics of charge and cation mixing in U_{1-x} Ce_x O_2

open access: yes, 2010
The formalism of electronic density-functional-theory, with Hubbard-U corrections (DFT+U), is employed in a computational study of the energetics of U_{1-x} Ce_x O_2 mixtures.
B. E. Hanken   +5 more
core   +1 more source

Mechanically driven alloying and grain size changes in nanocrystalline Fe-Cu powders [PDF]

open access: yes, 1993
Highly supersaturated nanocrystalline FexCu100-x alloys (10 less-than-or-equal-to x less-than-or-equal-to 95) have been prepared by mechanical alloying of elemental crystalline powders.
Eckert, J.   +3 more
core  

Solid-state diffusion bonding for INCONEl 617 superalloy using field-assisted sintering technology (FAST) guided by CALPHAD approach

open access: yesMaterials Research Express
This study investigates solid-state diffusion bonding between two INCONEL 617 alloy samples using field-assisted sintering technology (FAST). The study focuses on analyzing the faying surface validating the theoretical alloy design modeling done by the ...
A Degnah   +6 more
doaj   +1 more source

Determination of hardness and Young's modulus in fcc Cu–Ni–Sn–Al alloys via high-throughput experiments, CALPHAD approach and machine learning

open access: yesJournal of Materials Research and Technology
Hardness and Young's modulus are critical indicators in the design of innovative Cu–Ni–Sn–Al alloys with desired elastic and strength properties. In this study, the composition-dependent hardness and Young's modulus in the fcc Cu–Ni–Sn–Al alloys were ...
Wenli Zhang   +5 more
doaj   +1 more source

Phase Transformations after Heat Treating an As-Cast Fe-30Mn-8.8Al-0.3Si-0.15C Steel

open access: yesMetals
The phase transformations in an as-cast Fe-30Mn-8.8Al-0.3Si-0.15C steel were analyzed experimentally and numerically with a Calphad-based method during heat treatment.
Victor M. Lopez-Hirata   +4 more
doaj   +1 more source

On the potential of using ensemble learning algorithm to approach the partitioning coefficient (k) value in Scheil–Gulliver equation

open access: yesMaterials Genome Engineering Advances
The Scheil–Gulliver equation is essential for assessing solid fractions during alloy solidification in materials science. Despite the prevalent use of the Calculation of Phase Diagrams (CALPHAD) method, its computational intensity and time are limiting ...
Ziyu Li   +5 more
doaj   +1 more source

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