Results 51 to 60 of about 6,803 (176)

تحلیل آماری و بهینه‌سازی متغیرهای موثر بر رفتار کششی و ضربه‌ای نمونه‌های PETG چاپ-شده با استفاده از مدل‌سازی لایه‌نشانی ذوبی [PDF]

open access: yesمکانیک سازه ها و شاره ها
مدل‌سازی لایه‌نشانی ذوبی (FDM) به عنوان یکی از روش‌های ساخت افزایشی قطعات پلیمری، شناخته می‌شود. در این فرآیند، چاپ قطعه بر اساس لایه‌نشانی فیلامنت ذوب‌شده انجام می‌شود.
سعید کوه فر   +1 more
doaj   +1 more source

Comprehensive structural evaluation of composite materials in 3D-printed shin guards

open access: yesJournal of Materials Research and Technology, 2023
This study introduces a novel approach to designing and fabricating lightweight football shin guards, leveraging advanced digital anatomical capture of players' shins and 3D printing techniques.
Modhi I. Alarifi, Ibrahim M. Alarifi
doaj   +1 more source

Human Engineered Heart Tissues Reproduce Trigger‐ and Substrate‐Driven Mechanisms of Ventricular Tachycardia

open access: yesAdvanced Science, EarlyView.
Engineered heart tissues (EHTs) derived from human iPSCs replicate mechanisms of ventricular tachycardia at the tissue level. Acquired Long‐QT conditions cause early afterdepolarizations, wavebreak, and transient rotors; in contrast, focal cryoinjury forms a stable substrate that supports ongoing reentry.
Matthew Fiedler   +4 more
wiley   +1 more source

Effects of physical aging on thermomechanical behaviors of poly(ethylene terephthalate)-glycol (PETG)

open access: yes, 2019
A series of experiments are performed to investigate the effects of physical aging on thermomechanical properties of poly(ethylene terephthalate)-glycol (PETG).
Huxiao Yang (8067734)   +3 more
core   +1 more source

Morphology, Mechanical Properties, and Biodegradability of Modified Thermoplastic Starch/PETG Blends with In Situ Generated Graft Copolymers

open access: yes, 2023
This paper reports on synthesis of modified thermoplastic starch (MTPS) and glycol-modified polyethylene terephthalate (PETG) blends in a twin-screw extruder.
Ramani Narayan, Apoorva Kulkarni
core   +1 more source

A Comprehensive Review on Additive Manufacturing of Smart Components: Technologies, Applications, and Future Scope

open access: yesAdvanced Intelligent Systems, EarlyView.
How can additive manufacturing enable components that sense, adapt, heal, and power themselves? This review synthesizes recent advances in smart functionalities, manufacturing technologies, and intelligent design strategies, revealing a pathway toward fully integrated, autonomous, and multifunctional systems across diverse engineering sectors. Additive
Aiswarya Rony   +3 more
wiley   +1 more source

Prediction of the tensile strength of FDM specimens based on Tsai Hill criteria

open access: yesFracture and Structural Integrity
This study investigates the mechanical behavior of 3D-printed polyethylene terephthalate glycol (PETG) polymer specimens subjected to tensile and shear testing, with a particular focus on the influence of raster orientation and shell contour.
Cosmin Florin Popa   +2 more
doaj   +1 more source

Mechanical Properties of PETG Fibres and Their Usage in Carbon Fibres/Epoxy Composite Laminates [PDF]

open access: yes, 2018
This paper reports on a melt-spinning process of glycol-modified poly(ethylene terephthalate) PETG and regranulate of PETG. The effect of the processing temperature and winding reel velocity on the diameters of fibres was examined. It was observed with a
Latko-Durałek, P.   +7 more
core   +1 more source

A Fast B1+$$ {B}_1^{+} $$‐Driven RF Co‐Simulation Optimization Method for RF Coil Arrays

open access: yesMagnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To generate accurate EM simulation models of RF coil arrays, improve coil safety validation procedures, and improve RF power management without sacrificing patient safety. Methods A fast, customized RF co‐simulation formulation was developed for pTx RF coils, enabling the use of experimentally measured B1+$$ {B}_1^{+} $$ maps to ...
Mazin M. Mustafa   +6 more
wiley   +1 more source

Combined Effects of Thermal Cycling Aging and Reinforcement Content on the Ball‐On‐Disk Wear of Additively Manufactured Polylactic Acid Composites

open access: yesPolymer Composites, EarlyView.
Thermal Aging and Tribological Tests of Additive Manufactured PLA Composites. ABSTRACT This study focuses on the additive manufacturing of pure polylactic acid (PLA) specimens and milled glass fiber (GF)‐filled PLA composites under thermal cycling aging and wear tests. Wear tracks have been analyzed via 3D optical profiling and SEM imaging.
Sinan Fidan   +5 more
wiley   +1 more source

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