Results 81 to 90 of about 2,532 (257)

Micromechanical behavior of (CoCrNi)94Al3Ti3 medium-entropy alloy

Journal of Materials Research and Technology
The micromechanical behavior of (CoCrNi)94Al3Ti3 medium-entropy alloy (MEA) with and without Al2O3 nanoparticles was investigated by nanoindentation, microhardness, and microscratch tests.
Ming Liu, Zhitong Xu, Rui Liang, Shanhong Wan, Fuqian Yang, Jinyang Jiang   +5 more
doaj   +1 more source

Superconductivity in the medium entropy alloys Nb2TiW and Nb2TiMo

22 pages, 9 figures;The manuscript with the same title will be published by Chinese Physics ...
Li, Kuan, Chen, Cui Qun, Zeng, Lingyong, Li, Longfu, Chen, Rui, Yu, Peifeng, Wang, Kangwang, Xiang, Zaichen, Yao, Dao Xin, Luo, Huixia   +9 more
openaire   +2 more sources

Precipitation Simulations of the O‐Phase in Ti2AlNb Alloys Processed by Laser Powder Bed Fusion

Advanced Engineering Materials, EarlyView.
Simulated and experimental evolution of the O‐phase volume fraction during postprocessing of a Ti‐21Al‐25Nb (at.%) alloy processed by laser powder bed fusion. With results of sensitivity to input parameters from a thorough and quantified analysis, the interfacial energy matrix/precipitate is the most relevant input parameter for the simulation of the O‐
Silvana Tumminello, Joachim Gussone, Suzana G. Fries, Marcus Rackel, Andreas Stark, Norbert Schell, Jan Haubrich, Guillermo Requena   +7 more
wiley   +1 more source

Modeling Dislocation Cutting of γ′ Precipitates in Ni‐Base Superalloys: Linking Atomistic and Dislocation Dynamics Simulations

Advanced Engineering Materials, EarlyView.
Dislocation cutting of γ′ precipitates in Ni‐based superalloys is investigated by linking atomistic simulations with discrete dislocation dynamics. The critical cutting stress is shown to be governed by the antiphase boundary energy, while line tension effects promote edge‐preferred cutting.
Frédéric Houllé, Siwen Gao, Marc Fivel, Anxin Ma, Daria Smirnova, Sriram Anand, Arun Prakash, Julien Guénolé, Alexander Hartmaier, Erik Bitzek   +9 more
wiley   +1 more source

Formation of B2 phase and its stability in equiatomic Al-Cu-Fe-Ni-Ti high entropy alloy

Journal of Alloys and Metallurgical Systems
In the present investigation, we synthesized a single-phase high-entropy alloy in Al-Cu-Fe-Ni-Ti system by melting of the individual metals using a radiofrequency induction furnace under an argon environment. The as-synthesized alloy showed the formation
Yogesh Kumar Yadav, Mohammad Abu Shaz, Nilay Krishna Mukhopadhyay, Thakur Prasad Yadav   +3 more
doaj   +1 more source

Secondary hardening in laser rapidly solidified Fe68(MoWCrVCoNiAlCu)32 medium-entropy high-speed steel coatings

Materials & Design, 2018
Novel Fe68(MoWCrVCoNiAlCu)32 (at.%) medium-entropy high-speed steel (ME-HSS) coatings, containing various carbon contents from 0.65 to 1.05 wt%, are prepared by laser rapid solidification.
Hui Zhang, Bang Dou, Hao Tang, Yizhu He, Sheng Guo   +4 more
doaj   +1 more source

Machine Learning‐Supported Analysis for Predicting and Visualizing Nonlinear Relationships Between Material Properties in Electroplated Chromium Layers

Advanced Engineering Materials, EarlyView.
This study applies machine learning regression to predict chromium layer thickness in decorative trivalent chromium electroplating, using 441 experiments from laboratory‐scale (1L) and pilot‐scale (14L) setups. Tree‐based models, particularly CatBoost, outperformed linear regression by capturing nonlinear parameter interactions (R2$R^2$ up to 0.77 ...
Christoph Baumer, Christopher Mai, Luca Eisentraut, Andreas Bund, Ricardo Buettner   +4 more
wiley   +1 more source

Triple Junctions as Dislocation‐Like Defects: The Role of Grain Boundary Crystallography Revealed by Experiment and Atomistic Simulation

Advanced Engineering Materials, EarlyView.
Grain boundary triple junctions are an essential ingredient of the microstructure of polycrystalline materials. In this study, a triple junction is observed using atomic‐resolution scanning transmission electron microscopy and characterized. Computer simulations reveal that the junction has a dislocation character that is determined by the joining ...
Tobias Brink, Saba Saood, Peter Schweizer, Jörg Neugebauer, Gerhard Dehm   +4 more
wiley   +1 more source

Comparative study of microstructural and corrosion characteristics of AlCrFeCoNi, CrFeCoNi and CrCoNi multicomponent alloys

Materials & Design
This study presents the differences in microstructure and corrosion behavior among AlCrFeCoNi (high-entropy alloy), CrFeCoNi (medium-entropy alloy), and CrCoNi (medium-entropy alloy).
Wenjing Xu, Tongjiao Chu, Jingfu Liu, Jing Liu   +3 more
doaj   +1 more source

Influence of Scan Strategies in Electron Beam Powder Bed Fusion on Solidification, Microstructure, and High‐Temperature Compressive Properties of γ′‐Strengthened Inconel 738LC

Advanced Engineering Materials, EarlyView.
Experiments and thermophysical simulations were conducted to investigate the electron beam powder bed fusion electron beam (PBF‐EB/M) process for the γ′‐strengthened nickel‐based superalloy Inconel 738LC. The results demonstrate the impact of process‐induced microstructural variations on high‐temperature mechanical behavior, providing a basis for ...
Jan Niklas Petenati, Karthik Kumar Banku, Prasanth Bondi, Ivan Zhirnov, Yangyiwei Yang, Gordon Schmidt, Jürgen Christen, Georg Hasemann, Manja Krüger, Bai‐Xiang Xu, Bilal Gökce, Silja‐Katharina Rittinghaus   +11 more
wiley   +1 more source