Results 61 to 70 of about 490,434 (379)

Recycled Cellulose Polypropylene Composite Feedstocks for Material Extrusion Additive Manufacturing

open access: yesACS Omega, 2019
Many types of consumer-grade packaging can be used in material extrusion additive manufacturing processes, providing a high-value output for waste plastics.
N. Zander   +3 more
semanticscholar   +1 more source

Elaboration and study of the thermo-mechanical properties of an aligned cnt - polypropylene nanocomposite by twin-screw mixer [PDF]

open access: yes, 2019
This study presents first the fabrication of a nanocomposite material based on Multi-Walled Carbon Nanotubes, and on a thermoplastic polymer matrix. First, a twin-screw mixer had been employed for preparing polypropylene nanocomposites loaded at 0.1, 1 ...
Barrière, T., Sahli, M.
core  

Fire Spalling Prevention via Polypropylene Fibres: A Meso-and Macroscale Approach [PDF]

open access: yes, 2016
A deep understanding of concrete at the mesoscale level is essential for a better comprehension of several concrete phenomena, such as creep, damage, and spalling.
Mazzucco, Gianluca, Xotta, Giovanna
core   +3 more sources

Effect of Foot Orthoses on Midfoot Pain and the Volume of Bone Marrow Lesions in the Midfoot: A Randomized Mechanism of Action Study

open access: yesArthritis Care &Research, EarlyView.
Objective Foot orthoses are thought to improve pain by potentially modifying internal mechanical forces. To test this, we explored whether foot orthoses can modify patterns of bone marrow lesions (BMLs) in people with midfoot pain. Methods Forty‐two people were recruited with midfoot pain, and magnetic resonance imaging–confirmed midfoot BMLs ...
Jill Halstead   +4 more
wiley   +1 more source

Interfaces and interfacial effects in glass reinforced thermoplastics - Keynote Presentation [PDF]

open access: yes, 2007
Optimization of the fibre-matrix interphase region is critical to achieving the required performance level in thermoplastic matrix composites. Due to its initial location on the fibre surface, the sizing layer is an important component in the formation ...
Thomason, J.L.
core   +1 more source

State of the art of plastic sorting and recycling : Feedback to vehicle design [PDF]

open access: yes, 2007
Today car manufacturers are beginning to integrate recycling constraints in the first stages of the design of a new car due to their concern regarding the effects of car design on the recovery of material after End-of-Life Vehicle treatment.
ABRAHAM, F   +6 more
core   +4 more sources

Is Young's Modulus a Critical Coating Property Determining Fouling‐Release Performance of Marine Coatings?

open access: yesAdvanced Engineering Materials, EarlyView.
The release of foulers from protective marine coatings is determined by several interrelated material properties, including the strength of Young's modulus, the flexibility of chain segments, the surface free energy, and the magnitude of hydrodynamic stress.
Johann C. Schaal   +2 more
wiley   +1 more source

The Effect of Filler Content on Mechanical Properties of Polypropylene/Clay Nanocomposites

open access: yesJurnal Rekayasa Kimia & Lingkungan, 2009
This study investigated the effect of filler content on mechanical properties of polypropylene. There are synthesis clay and un-synthesis clay used as filler content.
Teuku Rihayat, Pocut Nurul Alam
doaj   +2 more sources

The influence of fibre length and concentration on the properties of glass fibre reinforced polypropylene: 5. Injection moulded long and short fibre PP [PDF]

open access: yes, 2002
We present results of a step by step comparison of the mechanical performance of injection moulded 'long' (LF-PP) and 'short' (SF-PP) previous termglass fibre-polypropylenenext term compounds.
Thomason, J.L.
core   +1 more source

Unidirectional Tape‐Based Composites from Hemp and Pineapple Leaf Fiber: Mechanical Performance in Conventional and Bio‐Based Matrices

open access: yesAdvanced Engineering Materials, EarlyView.
The study investigates novel semi‐finished products made of unidirectionally arranged hemp or pineapple leaf fiber‐reinforced composites produced from different matrices. The materials are analyzed in terms of their mechanical and interfacial properties and void content.
Nina Graupner   +22 more
wiley   +1 more source

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