Results 51 to 60 of about 79,370 (265)

Experimental Evaluation of 100Cr6 Steel Microindented Surfaces Under Lubricated Nonconformal Point Contacts

Advanced Engineering Materials, EarlyView.
The tribological behavior of 100Cr6 steel spheres textured via Vickers microindentation is evaluated under lubricated sliding by varying both dimple size and density. Fine and dense textures significantly reduce friction across all lubrication regimes, while large dimples increase it.
Farideh Davoodi, Pasquale Guglielmi, Gianfranco Palumbo, Giuseppe Carbone   +3 more
wiley   +1 more source

Numerical Simulation of Rolling Process and Microstructure Evolution of AM50 Mg Alloy during Hot Rolling Process

, 2011
In order to optimize rolling process of AM50 Mg alloy, numerical simulation method is adopted to find reasonable process parameters. And then, the metallograph was viewed to find the microstructure evolution during hot rolling process.
Yao Fu, Yu, Baoyi, Bao Yi Yu, Qiang Li, Hao Wang, Cheng, Lei, Wei Hua Liu, Li, Qiang, Zhang, Chaoyi, Chao Yi Zhang, Fu, Yao, Guo Jie Huang, Run Xia Li, Huang, Guojie, Shui Sheng Xie, Liu, Weihua, Hua, Fuan, Li, Runxia, Lei Cheng, Xie, Shuisheng, Fuan Hua, Wang, Hao   +21 more
core   +1 more source

The effect of polyploidy and hybridization on the evolution of floral colour in Nicotiana (Solanaceae). [PDF]

, 2015
Speciation in angiosperms can be accompanied by changes in floral colour that may influence pollinator preference and reproductive isolation. This study investigates whether changes in floral colour can accompany polyploid and homoploid hybridization ...
Taylor, L, Arnold, Sarah E., Arnold, SE, Arnold, Sarah E. J., Chittka, Lars, Chittka, L, Kovařík, A, Le Comber, S., Knapp, S., Baldwin, Ian, Mhiri, C, Verity, Robert, Verity, R, Le Comber, SC, Taylor, Lin, Kelly, L., Le Comber, Steven C., Knapp, Sandra, Knapp, S, Leitch, A.R., Arnold, SEJ, Baldwin, I., Chase, M.W., Chittka, L., Leitch, AR, Leitch, Andrew R., Arnold, Sarah E.J., Mhiri, Corinne, McCarthy, E.W., Chase, Mark W., Kelly, LJ, Taylor, L., Arnold, S.E.J., Chase, M., Kovařík, Aleš, Kovařík, A., McCarthy, E., Leitch, A., Verity, R., McCarthy, Elizabeth W., Dodsworth, Steven, Kelly, L.J., Kelly, Laura J., Dodsworth, S., Mhiri, C., Dodsworth, S, Chase, MW, Arnold, S., Baldwin, I.T., Baldwin, Ian T., Le Comber, S.C., Baldwin, IT, McCarthy, EW   +52 more
core   +1 more source

Laser Powder Bed Fusion of Alumina: Effects of Scanning Strategies on External and Internal Defects

Advanced Engineering Materials, EarlyView.
This study investigates how scanning strategies affect pure alumina in laser powder bed fusion. Linear 45° scanning yields uniform surfaces but high porosity, while the island‐concentric strategy provides higher density with through‐holes favorable for infiltration. Findings highlight pathways toward optimizing defect‐free alumina parts.
Mohamed Abdelmoula, Gökhan Küçüktürk, Duran Kaya, David Grossin, Christophe Tenailleau, Benjamin Duployer, Enrique Juste, Fabrice Petit   +7 more
wiley   +1 more source

Microstructure/Mechanical Characterization of Plasma Nitrided Fine-Grain Austenitic Stainless Steels in Low Temperature

Nitrogen, 2021
Fine-grained austenitic stainless steels (FGSS) were plasma nitrided below 700 K to describe their microstructure evolution during the nitrogen supersaturation process and to investigate the post-stressing effect on the microstructure and mechanical ...
Abdelrahman Farghali, Tatsuhiko Aizawa, Tomoaki Yoshino   +2 more
doaj   +1 more source

Low‐Cost, Large‐Scale Nanoporous Metals by Mechanical Alloying, Oxide Reduction, and Dealloying of Powders

Advanced Engineering Materials, EarlyView.
Powder metal processing provides scalable advantages in nanoporous (np) metal development. Mechanical alloying is used to produce unique precursors for hybrid nanopore formation by oxide reduction and dealloying. As demonstrated in np Ag, this approach improves process efficiency while promoting smaller ligaments and larger pores, both of which are ...
Mark A. Atwater, Oliver A. Fowler
wiley   +1 more source

Investigation on precision and performance for hot gas forming of thin-walled components of Ti2AlNb-based alloy

MATEC Web of Conferences, 2018
Ti2AlNb-based alloys have received considerable attention as potential materials to replace the nickel alloy at 600-750 °C, depending on their advantages of high specific strength, good corrosion and oxidation resistance.
Jiao Xueyan, Liu Zhiqiang, Wu Yong, Liu Gang   +3 more
doaj   +1 more source

Microstructure Evolution and Prediction of Alloy 617 During Hot Deformation Based on Dynamic Recrystallization

Cailiao gongcheng, 2018
The hot compressive experiments of nickel-based alloy 617 were carried out at the different deformation conditions on a Gleeble-3500 thermal-simulator.The rule of the process parameters on the dynamic recrystallization microstructure evolution of alloy ...
ZHU Huai-shen, NIE Yi-hong, ZHAO Shuai, WANG Bao-zhong   +3 more
doaj   +1 more source

On the Lightweight Potential of Laser Additive Manufactured NiTi Triply Periodic Minimal Sheet Lattices

Advanced Engineering Materials, EarlyView.
This study explores the lightweight potential of laser additive‐manufactured NiTi triply periodic minimal surface sheet lattices. It systematically investigates the effects of relative density and unit cell size on surface quality, deformation recovery, compression behavior, and energy absorption.
Haoming Mo, Shuo Qu, Shiming Gao, Xu Song   +3 more
wiley   +1 more source

Electrochemical Evaluation of Compressed Selective Laser Melted AlSi7Mg and AlSi10Mg Alloys in Chloride Environment

Advanced Engineering Materials, EarlyView.
The corrosion performance of AlSi7Mg and AlSi10Mg alloys produced through selective laser melting (SLM) was examined under compressive stress in a chloride environment. Electrochemical analyses, including open‐circuit potential (OCP), potentiodynamic polarization (CPP), and electrochemical impedance spectroscopy (EIS), were complemented by scanning ...
Femi John Akinfolarin, Samson Dare Oguntuyi, Peter Apata Olubambi   +2 more
wiley   +1 more source