Results 41 to 50 of about 7,180 (259)

Microstructure, Thermal Transport, and Dry‐Sliding Tribology of Powder‐Metallurgy Al7075 Composites Reinforced With Sol–Gel‐Derived ZnO–rGO Hybrid Nanoparticles

Advanced Engineering Materials, EarlyView.
Sol–gel‐derived ZnO–rGO hybrid nanoparticles enable Al7075 powder‐metallurgy composites to achieve concurrent gains in hardness and thermal conductivity while markedly lowering friction and wear. The hybrid architecture couples ZnO‐based load support with rGO‐assisted lamellar sliding and heat spreading, revealing a promising route toward lightweight ...
Bunyamin Aksakal, Cevher Kursat Macit, Merve Ayık, Hakan Tutumlu   +3 more
wiley   +1 more source

On the fatigue and dwell-fatigue behavior of a low-density steel and the correlated microstructure origin of damage mechanism

Journal of Materials Research and Technology, 2021
The present work deals with revealing the fatigue and dwell-fatigue behavior and correlated damage mechanisms of Fe–Mn–Al–C lightweight steel. Surprisingly, alteration in loading mode from monotonic to cyclic induces reversible dislocation movement and ...
A. Moshiri, A. Zarei-Hanzaki, A.S. Anousheh, H.R. Abedi, Seok Su Sohn, Junha Yang, M. Jaskari, L.P. Karjalainen, F. Berto   +8 more
doaj   +1 more source

Extrusion‐Based Additive Manufacturing of Advanced Ceramics: Strengthening Mechanisms and Process Optimization Review

Advanced Engineering Materials, EarlyView.
This review comprehensively evaluates extrusion‐based additive manufacturing for advanced ceramics, detailing feedstock options and key process parameters. By critically addressing defect mechanisms like porosity and cracking, the work highlights optimization strategies through machine learning and advanced postprocessing.
Meisam Bakhtiari, Mohammad Hadi Sheikh‐Ansari, Avinash Borgaonkar, Mehran Dadkhah, Abdollah Saboori   +4 more
wiley   +1 more source

On the short-time thermal phase-stability of as-cast AlCoCrFeNi2.1 eutectic high entropy alloy

Journal of Materials Research and Technology, 2022
The present work deals with the short-time thermal phase-stability of the as-cast eutectic AlCoCrFeNi2.1 high entropy alloy. Toward this end, the effect of different temperatures (800–1000 °C) and soaking times (15–60 min) on the stability of primary ...
J. Charkhchian, A. Zarei-Hanzaki, A. Moshiri, H.R. Abedi, Jiajia Shen, J.P. Oliveira, Kanwal Chadha, Clodualdo Aranas, Jr.   +7 more
doaj   +1 more source

Elastic Properties and Thermal Expansion Behavior of a Polycrystalline VMnFeCoNi High‐Entropy Alloy

Advanced Engineering Materials, EarlyView.
The high‐entropy alloy (HEA) V20Mn20Fe20Co20Ni20 (composition in at.%) can be made single‐phase face‐centered cubic (FCC) when annealed above 1338 K followed by water quenching. In this state, the alloy exhibits the greatest strength‐ductility combination of any quinary single‐phase FCC HEA.
Guillaume Laplanche, Marie Münchhalfen, Aditya Srinivasan Tirunilai, Jürgen Schreuer   +3 more
wiley   +1 more source

The Influence of Thermomechanical Treatments on the Mechanical Properties of Some Al-Zn-Mg-Cu Alloys

The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science
In this paper, the variation of some mechanical properties was studied according to the values of the thermomechanical processing parameters to which an aluminium alloy of the Al-Zn-Mg-Cu series was subjected.
Marian-Iulian NEACȘU
doaj   +1 more source

Gate‐Programmable Linearization of Atomically Thin Nanoelectromechanical Resonators via Duffing Nonlinearity Cancellation

Advanced Functional Materials, EarlyView.
Gate bias is used to cancel Duffing nonlinearity in atomically thin MoS2 drumhead resonators, switching their response from hardening to softening and creating a nearly linear operating point. This electrical control suppresses hysteresis, enables stronger linear drive, and improves signal‐to‐noise ratio, offering a practical route to stable 2D NEMS ...
Pengcheng Zhang, Miroslav Haluska, Cosmin Roman, Christofer Hierold   +3 more
wiley   +1 more source

Evolution of mechanical properties of LAE442 magnesium alloy processed by extrusion and ECAP

Journal of Materials Research and Technology, 2015
The dependence of the mechanical properties on the increasing number of ECAP passes was investigated in the LAE442 magnesium alloy. The substantial grain refinement resulting from thermomechanical processing caused increase of the yield tensile strength ...
Peter Minárik, Robert Král, Josef Pešička, František Chmelík   +3 more
doaj   +1 more source

Ultrawide Bandwidth Optomechanical Magnetometry Using Flux Concentration

Advanced Functional Materials, EarlyView.
High‐permeability flux concentrators enable ultrawide‐bandwidth chip‐scale optomechanical magnetometry by exploiting magnetic nonlinearity to up‐convert low‐frequency fields to the mechanical resonance, where sensitivity is optimal. This enables flat wideband operation over more than four orders of magnitude, from tens of kilohertz to sub‐hertz ...
Benjamin J. Carey, Nathaniel Bawden, Fernando Gottardo, James S. Bennett, Douglas Bulla, Scott Foster, Warwick P. Bowen   +6 more
wiley   +1 more source

From melt pool to performance: A review of microstructural engineering in the additive manufacturing of nickel-based superalloys

Results in Engineering
This review critically and systematically analyses recent progress in additively manufactured (AM) Ni-based superalloys, mapping processing–microstructure–property linkages relevant to qualification of hot-section hardware in aerospace and energy ...
Hedayat Hamdi, Sadaf Sadatabhari, Atefeh Tajik, Abbas Zarei Hanzaki, Ahmad Hatamiyan, Hamid Reza Abedi   +5 more
doaj   +1 more source