Results 61 to 70 of about 650,474 (282)

Modelling of grains medium cracking in semi-solid region [PDF]

Computer Methods in Materials Science, 2005
The paper deals with methodology of determination stresses in a solidifying semi-solid medium. Finite Element Method is used for numerical solution of the problem.
Norbert Sczygiol, Grzegorz Szwarc
doaj   +1 more source

Formation of Hot Tear Under Controlled Solidification Conditions [PDF]

Metallurgical and Materials Transactions A, 2014
Aluminum alloy 7050 is known for its superior mechanical properties, and thus finds its application in aerospace industry. Vertical direct-chill (DC) casting process is typically employed for producing such an alloy. Despite its advantages, AA7050 is considered as a “hard-to-cast” alloy because of its propensity to cold cracking.
Subroto, T, Miroux, A, Katgerman, L, Bouffier, L, Josserond, C, Salvo, L, Suéry, M, Eskin, DG, Katgerman, L   +8 more
openaire   +3 more sources

Hot tearing test for TIG welding of aluminum alloys: application of a stress parallel to the fusion line [PDF]

, 2011
Welding processes are extensively used to assemble components in many manufacturing industries, such as aeronautics, construction, energy and automotive. To increase their productivity, constructors try to reduce manufacturing time.
Niel, Aurélie, Drezet, Jean-Marie, F. Deschaux-Beaume, J.-M. Drezet, Fras, Gilles, Drezet, Jean Marie, Deschaux-Beaume, Frédéric, G. Fras, Bordreuil, Cyril, C. Bordreuil, A. Niel   +10 more
core   +2 more sources

Composites of Shellac and Silver Nanowires as Flexible, Biobased, and Corrosion‐Resistant Transparent Conductive Electrodes

Advanced Functional Materials, EarlyView.
Shellac, a centuries‐old natural resin, is reimagined as a green material for flexible electronics. When combined with silver nanowires, shellac films deliver transparency, conductivity, and stability against humidity. These results position shellac as a sustainable alternative to synthetic polymers for transparent conductors in next‐generation ...
Rahaf Nafez Hussein, Tiago Carneiro Gomes, Eliza Ng, Simon Rondeau‐Gagné, Tricia Breen Carmichael   +4 more
wiley   +1 more source

Influence of Ni content on hot tearing tendency of Al-5.6Zn-2.5Mg-1.6Cu alloys

Cailiao gongcheng
A combination of numerical simulation and experimental methods was used to study the influence of Ni content on the hot tearing tendency of Al-5.6Zn-2.5Mg-1.6Cu-xNi （x=0%，0.1%，0.3%，0.5%，mass fraction， the same below） alloys.
XIA Can, XU Shichun, YANG Jixi, LUO Hongmei, XU Zhaoming, WU Fan, LI Zaijiu   +6 more
doaj   +1 more source

Counterion Dependent Side‐Chain Relaxation Stiffens a Chemically Doped Thienothiophene Copolymer

Advanced Functional Materials, EarlyView.
Oxidation of a thienothiophene copolymer, p(g3TT‐T2), via different doping strategies and dopant molecules resulted in materials with similar oxidation levels and a high electrical conductivity of ≈100 S cm−1. However, mechanical properties varied significantly, with sub‐glass transition temperatures and elastic moduli spanning from –44°C to –3°C and ...
Mariavittoria Craighero, Meghna Jha, Elsa Veronica Flores‐Vela, Joost Kimpel, Andreas Schaefer, Jiali Guo, Jesika Asatryan, Alberto Peinador Veiga, Shuichi Haraguchi, Per‐Anders Carlsson, Jaime Martín, Mariano Campoy‐Quiles, Christian Müller   +12 more
wiley   +1 more source

From Food to Power: Hydrogel Thermoelectrics for Ingestible Electronics

Advanced Functional Materials, EarlyView.
We introduce a fully edible thermoelectric–electrochromic platform that harvests heat from food and converts it into a visible color change. N‐type and p‐type hydrogel thermoelectric generators connected in series power anthocyanin‐based electrochromic displays, demonstrating the feasibility of safe, biodegradable, ingestible systems for on‐food ...
Antonia Georgopoulou, Bokeon Kwak, Dario Floreano, Esther Amstad   +3 more
wiley   +1 more source

Hot tearing behavior and mechanism of AXJ530 alloy under rotating magnetic field

Journal of Magnesium and Alloys
In order to solve the issues concerning high hot tearing susceptibility (HTS) of Mg-Al-Ca series alloys, a rotating magnetic field (RMF) was applied during their solidification.
Xudong Du, Zhenyao Xu, Feng Wang, Shengwei Bai, Le Zhou, Xiaoqi Kang, Zhi Wang, Jinwei Li   +7 more
doaj   +1 more source

Influence of Al addition on solidification path and hot tearing susceptibility of Mg–2Zn–(3 + 0.5x)Y–xAl alloys

Journal of Magnesium and Alloys, 2019
Hot tearing susceptibility (HTS) of Mg–2Zn–(3 + 0.5x)Y–xAl (x = 0, 2 and 3 at%) alloys is predicted by using modified Clyne–Davies’ model (CSC*). The solidification path, solidification characteristic temperatures and dendritic coherency solid fraction ...
Guojia Zhang, Yue Wang, Zheng Liu, Shimeng Liu   +3 more
doaj   +1 more source

Wearable Smart Patches on Sustainable Chitosan With Reversible Microbial Growth‐Inhibitory Properties

Advanced Functional Materials, EarlyView.
ABSTRACT Chitosan, a polysaccharide upcycled from biowaste, has long promised sustainable, biocompatible, and antimicrobial films and devices, an appeal reinforced by its recent regulatory recognition, with several chitosan‐based antibacterial dressings gaining clearance through the Food and Drug Administration's 510(k) pathway.
Jacopo Nicoletti, Kubra Kocak, Andrea Michel, Enrico Cavarzerani, Ali Raza, Petr Rohzin, Nouha Loudhaief, Saimir Frroku, Nicolò Baldovin, Hazrat Bilal, Alvise Perosa, Maurizio Selva, Flavio Rizzolio, Luca Sbuelz, Sabrina Tamburini, Domenico De Fazio, Giovanni Antonio Salvatore   +16 more
wiley   +1 more source