Results 51 to 60 of about 461 (146)

Spatio‐Temporal Representation of Mesoscale Convective Systems in Convection‐Permitting Simulations Over Northwestern South America: Insights Into Rainfall Overestimation

open access: yesJournal of Geophysical Research: Atmospheres, Volume 130, Issue 7, 16 April 2025.
Abstract We perform km‐scale convection‐permitting simulations (Δx = 4 km) to represent Mesoscale Convective Systems (MCSs) in Northwestern South America using the Weather Research and Forecasting (WRF) model. An algorithm to identify and track MCSs was used to characterize simulated MCS features and compare with satellite observations.
K. Santiago Hernández   +5 more
wiley   +1 more source

Revolutionising fabrication advances and applications of 3D printing with composite materials: a review

open access: yesVirtual and Physical Prototyping
A detailed analysis of cutting-edge 3D printing technology and composite materials’ transformational potential in numerous industries. These mixes outperform single-substance composites in mechanical, thermal, and electrical properties, aerospace ...
Ibrahim M. Alarifi
doaj   +1 more source

Comparative Analysis of Mechanical and Thermal Characteristics of 3D‐Printed Polyamide using Material Extrusion and Powder Bed Fusion Process with Industrial and Desktop Printers

open access: yesMacromolecular Materials and Engineering, Volume 310, Issue 2, February 2025.
The current research compares various 3D printing techniques, utilizing both industrial and desktop printers, on PA's mechanical, structural, and thermal properties. There are no significant differences between the FFF desktop and industrial printers. In fact, in many cases, the tabletop versions outperformed the industrial one.
Roland Told   +7 more
wiley   +1 more source

Non-isothermal crystallization behaviour of polyamide 12 analogous to multi-jet fusion additive manufacturing process

open access: yes, 2021
Warpage of printed parts, especially for multi-jet fusion (MJF) process, is believed to have strong correlation with crystallization shrinkage. Hence, this article investigates the shrinkage phenomenon of polyamide-12 (PA12) during crystallization ...
Chen, Kaijuan   +5 more
core   +1 more source

Influence of thermal and temporal factors on silver ink nozzle clogging in inkjet-based 3D printing

open access: yesMaterials & Design
Powder bed fusion 3D inkjet printing (PF-3DP), including Multi Jet Fusion (MJF), enables the integration of functional inks within powder-based substrates, allowing conductive features to be embedded directly into additively manufactured parts.
Yu Han Lim   +6 more
doaj   +1 more source

3D‐Printed Polymeric Biomaterials for Health Applications

open access: yesAdvanced Healthcare Materials, Volume 14, Issue 1, January 3, 2025.
This review explores the potential of 3D printing for creating functional polymeric health‐related devices, examining current techniques and commonly used biomaterials. It highlights key applications in biosensors, bioactuators, and soft robotics, while addressing challenges like material compatibility, printing resolution, and speed.
Yuxiang Zhu   +24 more
wiley   +1 more source

Towards standardization of tensile testing for strut-based lattices using compensated beam modeling and strain-energy-based optimization

open access: yesMaterials & Design
Lattice structures are increasingly employed in lightweight, high-performance applications, where additive manufacturing allows precise tailoring of their mechanical response. However, tensile testing remains difficult due to complex geometry, anisotropy,
Nikodmose Moges Gebre   +8 more
doaj   +1 more source

Embedding Bioprinting of Low Viscous, Photopolymerizable Blood‐Based Bioinks in a Crystal Self‐Healing Transparent Supporting Bath

open access: yesSmall Methods, Volume 9, Issue 1, January 20, 2025.
Crystal self‐healing embedding bioprinting (CLADDING) enables the use of low viscosity protein‐based hydrogels as bioinks. By printing liquid bioinks within a transparent, self‐healing support bath governed by complex coacervation, CLADDING allows for the creation of stable, high‐density cellular constructs with excellent viability.
Monize Caiado Decarli   +11 more
wiley   +1 more source

Comparative investigation on selective laser sintering and multi jet fusion of polyamide 12

open access: yes, 2020
Additive manufacturing (AM) research development as well as its usage has been growing over the past few years. The process of 3D printing, otherwise called AM, starts from a three-dimensional design using computer-aided design (CAD) software and parts ...
Loo, Jordan Yong Xing
core   +1 more source

Environmental aging influence on mechanical properties of additive manufactured polyamide parts: A statistical approach

open access: yesJournal of Applied Polymer Science, Volume 141, Issue 42, November 10, 2024.
Explore the impact of environmental conditions and printing orientation on the aging of 3D‐printed polyamide 12 in this study. Unveil significant influences of temperature, irradiance, relative humidity, time, build orientation, and vapor polishing on material strength and modulus.
Chahine Ghimouz   +2 more
wiley   +1 more source

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