Results 1 to 10 of about 42,440 (269)

Analysis of Tool Wear and Roughness of Graphite Surfaces Machined Using MCD and NCD-Coated Ball Endmills

open access: yesMicromachines, 2022
The high-purity G5 graphite material is widely used for glass moulding and provides high hardness and brittleness because it is sintered to fine particles unlike other graphite materials.
Hyeonhwa Lee   +3 more
doaj   +1 more source

Influence Evaluation of Tungsten Content on Microstructure and Properties of Cu-W Composite

open access: yesMetals, 2022
At present, most studies focus on Cu-W composites with high W content (W content > 50 wt%), while there are only sporadic reports on Cu-W composites with low W content (W content < 50 wt%).
Xiuqing Li   +10 more
doaj   +1 more source

Two-Step Glass Molding Process for Forming Glass Edges with Obtuse Angles for Mobile Displays

open access: yesMicromachines, 2022
The domain of edge displays with 2.5D or 3D curved designs has been expanded to improve user convenience. The currently available 3D cover glass offers a limited curvature radius of at least 5 mm and a curvature less than 88°, due to limitations in the ...
Jeongyeon Park   +5 more
doaj   +1 more source

Fibrous scaffold with a tunable nonlinear elasticity

open access: yesPolymer Testing, 2021
Micro/nanofibers have been widely applied to mimic the fibrillary structure of collagen type I from a bionic point of view, however, the wavy structure of collagen fibers in biological tissues such as arteries and ligaments has hardly been fabricated. In
Xin Meng   +6 more
doaj   +1 more source

The Effect of Grouping Output Parameters by Quality Characteristics on the Predictive Performance of Artificial Neural Networks in Injection Molding Process

open access: yesApplied Sciences, 2023
In this study, a multi-input, multi-output-based artificial neural network (ANN) was constructed by classifying output parameters into different groups, considering the physical meanings and characteristics of product quality factors in the injection ...
Junhan Lee, Jongsun Kim, Jongsu Kim
doaj   +1 more source

Effect of Cr Content on the Microstructure of Casting Infiltration Layers: Simulations and Experiments

open access: yesCrystals, 2022
High chromium cast irons are commonly used as casting infiltration layers in the applications of wear resistance. The formation mechanism of the casting infiltration layer is essential to better develop the surface wear resistance materials using the ...
Chong Chen   +9 more
doaj   +1 more source

Study on rheological properties of in-mold co-injection self-reinforced polymer melt

open access: yesPolymer Testing, 2021
The injection molding filling process is a complicated non-steady-state, non-isothermal non-Newtonian fluid flow process and heat transfer process. With the development of polymer melt pressure, temperature, shear rate and other physical quantities ...
Yong Lu, Kaiyu Jiang, Minjie Wang
doaj   +1 more source

Simulation and Experimental Study on the Precision Molding of Irregular Vehicle Glass Components

open access: yesMicromachines, 2023
The high level of stress and dimension deviation induced by glass molding are the main causes of the low yield rate of large, irregular glass components on vehicles.
Zhijun Chen   +5 more
doaj   +1 more source

Solubility and diffusion coefficient of supercritical CO2 in polystyrene dynamic melt

open access: yese-Polymers, 2020
The solubility and diffusion coefficient of supercritical CO2 in polystyrene (PS) dynamic melt were studied by using a new constant pressure experimental device.
Wang Long, Huang Xingyuan, Wang Duyang
doaj   +1 more source

Nanocellulose Bulk Material Prepared by Steam Treatment and Hot Press Molding: Material Processing and Machining Test

open access: yesCrystals, 2021
Nanocellulose (NC) has been spotlighted as a new building block of future materials since it has many advantages, such as being lightweight and environment-friendly and having high mechanical properties and heat resistance.
Jung-Woong Kim   +4 more
doaj   +1 more source

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