Results 71 to 80 of about 176,755 (239)

Comparison of De-Torque and Failure Load Evaluation of Selective-Laser-Sintered CoCr, CAD-CAM ZrO, and Machined Implant Abutment/Restoration

open access: yesBioengineering
Aim: This study aimed to compare the torque loss, fracture load, compressive strength, and failure types of selective-laser-sintered cobalt chromium (SLM-Co-Cr), computer-aided design and computer-aided manufacturing zirconium oxide (CAD-CAM-ZrO), and ...
Fahim Vohra   +3 more
doaj   +1 more source

Comparison of Triply Periodic Minimal Surface Energy Absorbers Under Uniaxial Compressive Loading

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates LCD 3D printed Triply Periodic Minimal Surface (TPMS) structures as mechanical energy absorbers. By comparing various base designs and layered combinations under uniaxial compression, it identifies that a Diamond‐Gyroid sandwich structure offers superior performance.
Sergej Grednev   +2 more
wiley   +1 more source

Design of experiments for the analysis and optimization of barcodes of food and agricultural products

open access: yesAgricultural Economics (AGRICECON), 2012
The tools and modern techniques used in the Design of Experiments (DOE) have been proved successful in meeting the challenge of continuous improvement of food and agricultural products over the last fifteen years.
Jan HRON
doaj   +1 more source

Defect Evolution and Mechanical Performance of Fused Filament Fabrication‐Manufactured 17‐4PH Stainless Steel Revealed by X‐Ray Computed Tomography

open access: yesAdvanced Engineering Materials, EarlyView.
X‐ray computed tomography reveals how process‐induced defects evolve from green to sintered states in Fused Filament Fabrication (FFF)‐manufactured 17‐4PH stainless steel. Internal porosity, weakest cross‐sections, and fracture locations show strong correlation with tensile performance, demonstrating the potential of computed tomography (CT)‐based ...
György Ledniczky   +3 more
wiley   +1 more source

Design and Analysis of Compression–Torsion Coupling Metamaterials Using the Golden Section Method

open access: yesAdvanced Engineering Materials, EarlyView.
A novel compression–torsion metamaterial is engineered using inclined rods and symmetry breaking. To optimize its torsional performance, the golden section method is employed. The mechanical response of the metamaterial is validated through both numerical analysis and experimental validation.
Amirhossein Hassani, Sara Bagherifard
wiley   +1 more source

Main trends and directions of development of the Russian printing services market

open access: yesПутеводитель предпринимателя, 2020
The subject of the research is the problems of improving the efficiency of the printing services market. The article describes the current problems of the development of the market of printing services, the main directions of development of the printing ...
O. V. Babich, M. I. Tyulyagina
doaj  

Editing in Jamaica 1989–1998

open access: yesPublications, 2016
Despite changes in technology that have improved both production and the final product, small local journals still have a low profile and struggle to obtain adequate copy, in terms of both quality and quantity.
Stephen K. Donovan
doaj   +1 more source

Hybrid Metal–Carbon Ink for Printed Stretchable Temperature Sensors

open access: yesAdvanced Engineering Materials, EarlyView.
We prepare conductive inks for temperature sensing with silver flakes and carbon or graphite flakes in a silicone elastomer matrix. Silver dominates the temperature‐dependent conductivity, while the carbon filler network ensures the stability of the conductive pathways and retains function under strain.
Makara Lay   +3 more
wiley   +1 more source

Marginal gap of three-dimensional printed full-arch frameworks supported by all-on-four and all-on-six implant designs

open access: yesThe Journal of Indian Prosthodontic Society
Aim: The aim of this study was to evaluate the marginal gap of full-arch frameworks (FAFs) supported by all-on-four and all-on-six implant designs, fabricated using different manufacturing technologies.
Leticia Del Rio Silva   +4 more
doaj   +1 more source

Additive Manufacturing of Alumina‐Reinforced Elastomers

open access: yesAdvanced Engineering Materials, EarlyView.
Vat‐photopolymerized elastomers reinforced with platelet‐shaped alumina exhibited preferential orientation, reduced porosity, and significantly enhanced mechanical performance. A 3 wt% platelet loading increased tensile strength from 12.4 to 45.7 MPa, highlighting the critical role of filler morphology in elastomeric VPP composites.
Majid Barzegar Keyvani   +6 more
wiley   +1 more source

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