Results 61 to 70 of about 8,849 (244)

Comparative Evaluation of Four Stereotactic Radiosurgery Planning Approaches for Treatment of Posterior Choroidal Melanoma

Journal of Medical Radiation Sciences, EarlyView.
This study evaluated four stereotactic radiosurgery planning approaches for posterior choroidal melanoma (CM). Analysis of thirteen CM cases resulted in a clinically meaningful reduction in dose to the brain for Brainlab Elements modulated arcs (BE) and Varian Eclipse HyperArc modulated arcs (HA) compared to Brainlab iPlan dynamic conformal arc therapy
Robert Nigro, Kenton Thompson, Cathy Markham, Adam U. Yeo, Daniel Sapkaroski, Claire Phillips   +5 more
wiley   +1 more source

Evaluation of Dosimetic Characteristics of Electronic Portal Imaging Device (EPID) for Flattening Filter Free (FFF) Beams

Journal of Health Science and Medical Research (JHSMR), 2017
Objective: To evaluatethe dosimetric characteristics of electronics portal imaging device (EPID) for 6 and 10 megavoltage(MV) of flattening filter-free (FFF) beams.
Thadpong Chanton, Sangutid Thongsawad, Nipon Saiyo, Nuntawat Udee   +3 more
doaj  

Surface dose measurements and comparison of unflattened and flattened photon beams

Journal of Medical Physics, 2016
The purpose of this study was to evaluate the central axis dose in the build-up region and the surface dose of a 6 MV and 10 MV flattened photon beam (FB) and flattening filter free (FFF) therapeutic photon beam for different square field sizes (FSs) for
Ashokkumar Sigamani, Arunai Nambiraj, Girigesh Yadav, Ananda Giribabu, Karthikeyan Srinivasan, Venkadamanickam Gurusamy, Kothanda Raman, Kaviarasu Karunakaran, Rajesh Thiyagarajan   +8 more
doaj   +1 more source

Influence of Thermal Cycling on Friction, Wear, and Damage Evolution of Fused Deposition Modeling of 3D‐Printed Glass Fiber Reinforced Polylactic Acid Composites

Polymer Composites, EarlyView.
Schematic illustration of the experimental procedure of the specimens. ABSTRACT This research work investigated the effect of the cyclic thermo‐hygrometric aging regime between −20°C and +40°C with 0–400 cycles on the reciprocating tribological properties of fused deposition modeling (FDM) printed polylactic acid (PLA) and the same material reinforced ...
Sinan Fidan, Satılmış Ürgün, Nevin Gamze Karsli, Taner Yılmaz, Mustafa Özgür Bora, Mehmet İskender Özsoy   +5 more
wiley   +1 more source

Impact and Compressive Performance of 3D‐Printed PA6/Functionalized Graphene Nanoplatelet Sandwich Structures With Auxetic Cores

Polymer Composites, EarlyView.
Schematic of PA6/functionalized graphene nanoplatelet compounding and filament extrusion to 3D printing, sandwich panel fabrication, and mechanical characterization. ABSTRACT This study examines the impact and compressive behavior of additively manufactured polyamide 6 (PA6) nanocomposite sandwich panels reinforced with amine‐functionalized graphene ...
Russo Swart, Karim El‐Ghamrawy, Richard Johnston, Feras Korkees   +3 more
wiley   +1 more source

Process‐Induced Anisotropy and Fracture Behavior of Pellet‐3D Printed PLA and PLA/Flax Biocomposites

Polymer Composites, EarlyView.
Fused Granular Fabrication of PLA and PLA/flax biocomposites, followed by tensile testing and fracture surface analysis to evaluate the effects of raster orientation and layer number on anisotropy and fracture behavior. ABSTRACT Fused granular fabrication (FGF) enables cost‐effective, large‐scale polymer additive manufacturing; however, the mechanical ...
Fernando Ancio, Luis Távara, Luis Miguel Ferreira   +2 more
wiley   +1 more source

Prediction of Tensile Behavior in Additively Manufactured Polymer Matrix Composites via an Integrated Analytical Approach

Polymer Composites, EarlyView.
Integrated analytical framework for tensile response of additively manufactured polymer composites, supported by experimental validation. ABSTRACT Additive manufacturing (AM) enables innovative product development through its material versatility and design freedom, further enhanced by advanced materials such as composites.
Ozgur Poyraz, Abas Abasov
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

Polymer 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, Satılmış Ürgün, Nevin Gamze Karsli, Taner Yilmaz, Mustafa Özgür Bora, Mehmet İskender Özsoy   +5 more
wiley   +1 more source

Development of Sustainable Cellulose Acetate‐Based Filaments for 3D Printing Through Plasticization and Natural Wax Incorporation

Polymer Engineering &Science, EarlyView.
Schematic illustration of the forest‐derived filament production for 3D‐printing. ABSTRACT The integration of renewable biopolymers into value‐added engineering applications has become more critical. Cellulose acetate (CA) is a naturally derived polymer and widely used in the design‐oriented optical industry.
Naile Angın, Mesut Uysal
wiley   +1 more source

Mechanical and Impact Response of Adhesively Bonded ASA/PA12 Sandwich Structures Produced by Fused Filament Fabrication

Polymer Engineering &Science, EarlyView.
Adhesively bonded ASA/PA12 FFF sandwich structures reveal that interfacial compliance governs mechanical performance. Cyanoacrylate enhances strength but induces brittle failure, while polyurethane improves ductility and impact resistance, demonstrating that adhesive properties and stacking sequence are critical design parameters for optimizing multi ...
Berkay Ergene, Bayram Yildiz, Tolgahan Ermergen, Çağın Bolat   +3 more
wiley   +1 more source