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相关论文: Design of high-strength refractory complex solid-s…

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High-entropy alloys are made from random mixtures of principal elements on simple lattices, stabilized by a high mixing entropy. The recently discovered BCC Ta-Nb-Hf-Zr-Ti high entropy alloy superconductor appears to display properties of…

超导电性 · 物理学 2016-12-21 Fabian von Rohr , Michal J. Winiarski , Jing Tao , Tomasz Klimczuk , Robert J. Cava

In the Cu Cr system, the formation of supersaturated solid solutions can be obtained by severe plastic deformation. Energy dispersive synchrotron diffraction measurements on as deformed Cu Cr samples as a function of the applied strain…

We combined descriptor-based analytical models for stiffness-matrix and elastic-moduli with mean-field methods to accelerate assessment of technologically useful properties of high-entropy alloys, such as strength and ductility. Model…

The structural properties of the $Zn_xMg_{1-xS_ySe_{1-y}}$ solid solutions are determined by a combination of the computational alchemy and the cluster expansion methods with Monte Carlo simulations. We determine the phase diagram of the…

材料科学 · 物理学 2009-10-30 Antonino Marco Saitta , Stefano de Gironcoli , Stefano Baroni

The lightweight high entropy alloy represents an innovative class of multicomponent systems that combine low density with the exceptional mechanical properties of high-entropy alloys. We present a detailed synthesis and investigation of a…

超导电性 · 物理学 2025-01-06 S. Jangid , P. K. Meena , R. K. Kushwaha , S. Srivastava , P. Manna , S. Sharma , P. Mishra , R. P. Singh

Additively manufactured (AM) aluminum alloys with high strength and thermal stability have broad applications in turbine engines, vacuum pumps, heat exchangers, and many other industrial systems. Employing precipitates with an L1$_2$…

We resolve issues that have plagued reliable prediction of relative phase stability for solid-solutions and compounds. Due to its commercially important phase diagram, we showcase Al-Li system because historically density-functional theory…

材料科学 · 物理学 2013-12-25 Aftab Alam , D. D. Johnson

Body-centered cubic (bcc) refractory multicomponent alloys are of great interest due to their remarkable strength at high temperatures. Meanwhile, further optimizing the chemical compositions of these alloys to achieve a combination of high…

材料科学 · 物理学 2020-08-11 Yong-Jie Hu , Aditya Sundar , Shigenobu Ogata , Liang Qi

Three solid solutions of [CH$_3$NH$_3$]Co$_x$Ni$_{1-x}$(HCOO)$_3$, with $x$ = 0.25 (1), 0.50 (2) and 0.75 (3), were synthesized and their nuclear structures and magnetic properties were characterized using single crystal neutron diffraction…

强关联电子 · 物理学 2024-08-06 Madeleine Geers , Oscar Fabelo , Matthew J. Cliffe , Laura Cañadillas-Delgado

Solid solubility (SS) is one of the most important features of alloys, which is usually difficult to be largely tuned in the entire alloy concentrations by external approaches. Some alloys that were supposed to have promising physical…

材料科学 · 物理学 2020-02-12 Shiqiao Du , Jianfeng Wang , Lei Kang , Bing Huang , Wenhui Duan

Molecular-scale materials with bistable behavior and tunable properties are increasingly relevant for next-generation nanoscale electronic devices. Helical foldamers are promising candidates, but their structural and mechanical properties…

介观与纳米尺度物理 · 物理学 2026-03-17 Kseniia Storozheva , Anastasia Markina , Vladik Avetisov

The Kubo-Greenwood equation, in combination with the first-principles Korringa-Kohn-Rostoker Coherent Potential Approximation (KKR-CPA) can be used to calculate the DC residual resistivity of random alloys at T = 0 K. We implemented this…

材料科学 · 物理学 2021-09-24 Vishnu Raghuraman , Yang Wang , Michael Widom

Nanometric solid solution alloys are utilized in a broad range of fields, including catalysis, energy storage, medical application, and sensor technology. Unfortunately, the synthesis of these alloys becomes increasingly challenging as the…

材料科学 · 物理学 2024-10-18 Yao Hu , Haihui Lan , Bo Hu , Jiaxuan Gong , Donghui Wang , Wen-Da Zhang , Mo Yan , Huicong Xia , Mingde Yao , Mingliang Du

High Entropy Alloys (HEAs) contain near equimolar amounts of five or more elements and are a compelling space for materials design. Great emphasis is placed on identifying HEAs that form a homogeneous solid-solution, but the design of such…

材料科学 · 物理学 2021-04-20 Daniel Evans , Jiadong Chen , Geoffroy Hautier , Wenhao Sun

The metallurgy and materials communities have long known and exploited fundamental links between chemical and structural ordering in metallic solids and their mechanical properties. The highest reported strength achievable through the…

Predicting the ground state of alloy systems is challenging due to the large number of possible configurations. We identify an easily computed descriptor for the stability of binary surface alloys, the effective coordination number…

材料科学 · 物理学 2017-02-17 Sananda Biswas , Shobhana Narasimhan

Corrosion has a wide impact on society, causing catastrophic damage to structurally engineered components. An emerging class of corrosion-resistant materials are high-entropy alloys. However, high-entropy alloys live in high-dimensional…

材料科学 · 物理学 2024-09-12 Cheng Zeng , Andrew Neils , Jack Lesko , Nathan Post

The identification of materials supporting complex, tunable magnetic order at ambient temperatures is foundational to the development of new magnetic device architectures. We report the design of Mn2XY tetragonal inverse Heusler alloys that…

材料科学 · 物理学 2021-09-24 Daniil A. Kitchaev , Anton Van der Ven

Three novel precipitation strengthened bcc alloys which exhibit a smooth microstructural gradient with composition have been fabricated in bulk form by induction casting. All three alloys are comprised of a mixture of disordered A2-(Fe, Cr)…

材料科学 · 物理学 2021-03-23 Silas Wolff-Goodrich , Sebastian Haas , Uwe Glatzel , Christian Liebscher

Equiatomic CoCrNi medium entropy alloys are known for their unique properties linked to chemical short-range order (CSRO), crucial in both percolation processes and/or nucleation and growth processes influencing alloy passivation in aqueous…