Results 141 to 150 of about 12,546 (259)
Polymer Engineering &Science, EarlyView.Effect of mixing protocol on the size distribution of PHA domains in the PLA matrix. ABSTRACT In this study, poly(lactic acid) (PLA) and poly(3‐hydroxybutyrate‐co‐4‐hydroxybutyrate) [P(3HB‐4HB), a type of polyhydroxyalkanoate (PHA)], were melt‐blended at an 80/20 (wt/wt) ratio, and radical initiators were employed as reactive compatibilizers to enhance
Eunseol Kim, Hyungsu Kim
wiley +1 more source
Poly‐Ether‐Ether‐Ketone Melt Behavior in Fused Deposit Modeling Printing Moves
Polymer Engineering &Science, EarlyView.A thin solidified layer forms at the print bed during FDM of PEEK, reducing the effective shear height and raising the effective shear rate above the nominal value. Surface defects emerge once the effective shear rate exceeds a critical value of approximately 750 s−1.
Paul Sager +4 more
wiley +1 more source
Polymer Engineering &Science, EarlyView.Combined capillary and oscillatory rheology provided complementary insights into the linear, nonlinear, and extensional flow behavior of a 3 wt% collagen dispersion, improving the understanding of its processing‐relevant rheological characteristics. ABSTRACT This study presents an investigation of the extensional, shear, and oscillatory rheological ...
Fadi Alzarzouri +3 more
wiley +1 more source
Polymer Engineering &Science, EarlyView.Processing‐property relationships in thermoplastic starch (TPS): plasticizer type, starch source and melt‐processing temperature establish a hierarchy of effects that governs process‐induced changes and the resulting TPS properties. ABSTRACT Thermoplastic starch (TPS) is a melt‐processable biopolymer whose properties depend strongly on formulation and ...
Cristina Pavón +3 more
wiley +1 more source
Polymer Engineering &Science, EarlyView.Solid‐state polymerization (SSP) enhances rheological properties, filament stability, and adjusts crystallization issues for improved PET 3D printability. ABSTRACT This paper aims to investigate the impact of solid‐state polymerization (SSP) on the printability of PET for 3D printing.
Benjamin Sandei +5 more
wiley +1 more source
Polymer Engineering &Science, EarlyView.Schematic overview of the preparation and characterization of PLA‐based biocomposites containing mesoporous bioactive glass, highlighting the relationship between particle morphology, composite properties, and their potential for bone regeneration. ABSTRACT The present study proposes the development of a potential biocomposite for bone regeneration by ...
Bruna Segat +5 more
wiley +1 more source
A Discrete Informational Framework for Classical Gravity: Ledger Foundations and Galaxy Rotation Curve Constraints. [PDF]
Entropy (Basel)Simons M, Allahyarov E, Washburn J.
europepmc +1 more source
Building and testing a cognitive approach to the calculus using interactive computer graphics [PDF]
This thesis consists of a theoretical building of a cognitive approach to the calculus and an empirical testing of the theory in the classroom. A cognitive approach to the teaching of a knowledge domain is defined to be one that aims to make the material
Tall, David Orme
core
Journal of Polymer Science, EarlyView.This study presents a fast and accurate calculation tool to predict conveying of polymer melts in single‐screw extruders. Integrating generalized sub‐models into network theory allows to represent the complex screw shapes and material behavior more realistically. Tests on an industrial extruder show close agreement with experiments, outperforming older
Daniel Herzog +3 more
wiley +1 more source
Propellants, Explosives, Pyrotechnics, EarlyView.ABSTRACT Measuring impulse from explosive charges in contact and near‐field configurations presents practical challenges due to wide variation in impulse magnitude. Ballistic pendula are widely used for impulse measurement, but many existing designs are limited to narrow operating envelopes or are poorly suited to repeated contact testing and tamped ...
R. Alford +3 more
wiley +1 more source