Results 11 to 20 of about 150,391 (210)

The Kinetics of Chitosan Degradation in Organic Acid Solutions

Marine Drugs, 2021
This paper presents a comparative study on chitosan degradation in organic acid solutions according to their different dissociation characteristics. More precisely, the aim of the study was to determine the kinetics of the degradation process depending ...
Dominik Sikorski, Karolina Gzyra-Jagieła, Zbigniew Draczyński   +2 more
doaj   +1 more source

2D Heat Transfer of an Injection Mold: ANSYS Workbench and Mechanical APDL

Engineering Proceedings, 2023
The latest developments in additive manufacturing have enabled the creation of conformal cooling channels with improved efficiency and cost efficiency.
Hugo Miguel Silva, Hugo Luís Rodrigues, João Tiago Noversa, Leandro Fernandes, António José Pontes   +4 more
doaj   +1 more source

3D Lamellar-Structured Graphene Aerogels for Thermal Interface Composites with High Through-Plane Thermal Conductivity and Fracture Toughness

Nano-Micro Letters, 2020
Highlights Lamellar-structured graphene aerogels with vertically aligned and closely stacked high-quality graphene lamellae are fabricated. The superior thermally conductive capacity of the aerogel endows epoxy with a high through-plane thermal ...
Pengfei Liu, Xiaofeng Li, Peng Min, Xiyuan Chang, Chao Shu, Yun Ding, Zhong-Zhen Yu   +6 more
doaj   +1 more source

A Design Optimization Methodology Applied to Conformal Cooling Channels in Injection Molds: 2D Transient Heat Transfer Analysis

Engineering Proceedings, 2023
Fabricating conformal cooling channels has become easier and more cost-effective because of recent advances in additive manufacturing. Conformal cooling channels (CCCs) give better cooling performance than regular (straight drilled) channels during the ...
Hugo Miguel Silva, João Tiago Noversa, Leandro Fernandes, Hugo Luís Rodrigues, António José Pontes   +4 more
doaj   +1 more source

Wrinkle-structured MXene film assists flexible pressure sensors with superhigh sensitivity and ultrawide detection range

Nanocomposites, 2022
With the rapid development of artificial intelligence and ever-increasing demand for electronic devices, constructing high-performance flexible pressure sensors is urgently needed.
Yuhuan Lv, Lizhen Min, Fengxiao Niu, Xiangyang Chen, Biao Zhao, Yong Liu, Kai Pan   +6 more
doaj   +1 more source

Efficient sensitizer-supported electron beam irradiation induced crosslinking of polyvinylidene fluoride for shape memory applications

Polymer Testing, 2021
Polyvinylidene fluoride (PVDF) preferentially crosslinks upon exposure to ionizing electron beam irradiation, leading to substantial changes in its physicomechanical and thermophysical properties.
Yixing Gao, Zhongyang Tan, Zhongqian Song, Jing Qian, Chao Fu, Wei Nie, Xianghai Ran   +6 more
doaj   +1 more source

Impact of temperature on LVI-damage and tensile and compressive residual strength of CFRP

Composites Part C: Open Access, 2020
This study investigates the influence of temperature and impact-energy on low-velocity impact damage in CFRP and the resulting residual tensile and compressive strength.
Johann Körbelin, Chiara Dreiner, Bodo Fiedler   +2 more
doaj   +1 more source

Comparison of several closure approximations for evaluating the thermoelastic properties of an injection molded short-fiber composite [PDF]

, 2007
The accurate prediction of both the elastic properties and the thermal expansion coefficients is very important for the precise simulation of such processes as injection molding of short-fiber polymer-matrix composites.
DRAY, Delphine, GILORMINI, Pierre, REGNIER, Gilles   +2 more
core   +1 more source

Flame-Synthesis of Carbon Nanotube Forests on Metal Mesh Structure: Dependence, Morphology, and Application

Nanomaterials, 2019
Multi-walled carbon nanotubes (MWCNTs) in the form of “forests” were synthesized directly on the surface of stainless steel (SS) mesh from ethanol flame volume.
Xuhai Xiong, Pu Zhao, Rong Ren, Xu Cui, Shude Ji   +4 more
doaj   +1 more source

Using Computational Modelling to Study Extensional Rheometry Tests for Inelastic Fluids

Fluids, 2021
The present work focuses on the extensional rheometry test, performed with the Sentmanat extensional rheometer (SER) device, and its main objectives are: (i) to establish the modelling requirements, such as the geometry of the computational domain ...
Mohammadreza Aali, Célio Fernandes, Olga Sousa Carneiro, João Miguel Nóbrega   +3 more
doaj   +1 more source