Results 31 to 40 of about 411,405 (289)

Polypropylene fiber reinforced concrete and its application in creating architectural forms of public spaces

open access: yesCase Studies in Construction Materials, 2021
Fiber reinforced concrete is a cementitious composite material with a dispersed reinforcement in a form of fibers. Polypropylene fibers can be divided into microfibers and macrofibers depending on their length and the function that they perform in the ...
Julia Blazy, Rafał Blazy
doaj   +1 more source

Ecotoxicity and fungal deterioration of recycled polypropylene/wood composites: Effect of wood content and coupling [PDF]

open access: yes, 2013
Polypropylene (PP)/wood composites were produced by homogenization in a twin-screw extruder and injection molding of tensile bars. Their mechanical properties were determined before and after exposure to biological treatment, and the effect of the ...
Vargas-García, María del Carmen   +7 more
core   +1 more source

Mechanical properties of polyolefin and polypropylene fibers-reinforced concrete–An experimental study

open access: yesComposites Part C: Open Access, 2023
Concrete, a widely used construction material, exhibits inherent brittleness and limited tensile strength. To address these shortcomings, the incorporation of fibers has gained prominence, with polyolefin and polypropylene fibers emerging as promising ...
Mojtaba Gorji Azandariani   +3 more
doaj   +1 more source

The effect of using polypropylene fibers on the durability and fire resistance of concrete

open access: yesFracture and Structural Integrity, 2021
In order to study the effect of polypropylene fibers on the durability of cementitious composites, several experimental tests have been carried out in the laboratory. The composite was tested with different volume fractions of polypropylene fibers (0.05%,
Hassan Suiffi   +3 more
doaj   +1 more source

Recent Development of Flax Fibres and Their Reinforced Composites Based on Different Polymeric Matrices [PDF]

open access: yes, 2013
This work describes flax fibre reinforced polymeric composites with recent developments. The properties of flax fibres, as well as advanced fibre treatments such as mercerization, silane treatment, acylation, peroxide treatment and coatings for the ...
Jinchun Zhu   +8 more
core   +1 more source

Manufacturing Of Robust Natural Fiber Preforms Utilizing Bacterial Cellulose as Binder [PDF]

open access: yes, 2014
We present a novel method of manufacturing rigid and robust short natural fiber preforms using a papermaking process. Bacterial cellulose acts simultaneously as the binder for the loose fibers and provides rigidity to the fiber preforms.
Shamsuddin, SR   +4 more
core   +1 more source

Architecture‐Driven Sensor Stability in Weft‐Knitted Engineering Textiles

open access: yesAdvanced Engineering Materials, EarlyView.
Textile‐integrated sensor architectures are systematically compared to evaluate their electromechanical behavior under combined mechanical and environmental loading. Pocket‐based integration exhibits stable and reproducible signals, whereas tunnel‐based routing shows higher sensitivity accompanied by increased variability.
Adnan Maroof Khan   +5 more
wiley   +1 more source

Experimental study on improving expansive soil with soil stabilizer-polypropylene fiber composite

open access: yesShuili Shuiyun Gongcheng Xuebao, 2022
In response to the problem of poor effect of conventional single-method modification of expansive soil, this research team selected soil stabilizer and polypropylene fibers to improve the physical and mechanical properties of expansive soil and inhibit ...
WANG Yanfang   +4 more
doaj   +1 more source

Performance of Hemp-Fibre Reinforced Polypropylene Composite Materials [PDF]

open access: yes, 2007
Increasing worldwide environmental awareness is encouraging scientific research into the development of cheaper, more environmentally friendly and more sustainable construction and packaging materials.
Beckermann, Gareth
core  

Adaptive Foam 3D Printing of Ultralight and Multifunctional Materials

open access: yesAdvanced Engineering Materials, EarlyView.
Adaptive foam 3D printing, enabled by expandable microspheres, imparts cellular structures to thermoplastic and thermosetting polymers, manufactured through a variety of processes including fused filament fabrication, direct ink writing, digital light processing, and inkjet printing.
Nariman Rajabifar, Amir Ameli
wiley   +1 more source

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