Results 21 to 30 of about 67,820 (305)

Natural fiber reinforced polymer composites [PDF]

open access: yes, 2015
The use of natural fibers as a reinforcement for various materials was recorded already in ancient Egypt; however, their rediscovery can be dated to the beginning of 20th century.
Hasan, Mahbub   +3 more
core   +2 more sources

Determination of the Optimal Polypropylene Fiber Addition to the Dense Bituminous Mixtures by the Aid of Mechanical and Optical Means

open access: yesThe Baltic Journal of Road and Bridge Engineering, 2012
Polypropylene fibers are completely native modifiers and they do not have any dependence on abroad in case of technology. When viewed from this point, the modification of bituminous binders with polypropylene fibers is a very important step for our ...
Serkan Tapkin, Şenol Özcan
doaj   +1 more source

Nucleation activity of glass fibers towards iPP evaluated by DSC and polarizing light microscopy [PDF]

open access: yes, 2001
Nucleation activity of unsized and differently sized glass fibers during the crystallization of polypropylene from melt was investigated by polarizing light microscopy and DSC.
Bogoeva-Gaceva, Gordana   +2 more
core   +1 more source

Impact properties and water uptake behavior of old newspaper recycled fibers-reinforced polypropylene composites [PDF]

open access: yes, 2020
Natural fiber-reinforced thermoplastic composites can be an alternative to mineral fiber-based composites, especially when economic and environment concerns are included under the material selection criteria. In recent years, the literature has shown how
Delgado Aguilar, Marc   +5 more
core   +2 more sources

Mechanical characterization of a new architectural concrete with glass-recycled aggregate [PDF]

open access: yes, 2019
Concrete is a material which is widely used in architecture, not only for structural purposes but also for architectural elements for its versatility and excellent performance.
Albareda Valls, Albert   +3 more
core   +2 more sources

Effect of date palm and polypropylene fibers on the characteristics of self-compacting concretes: comparative study

open access: yesFracture and Structural Integrity, 2023
This article presents the results of a comparative experimental study on the influence of date palm fibers to replace polypropylene fibers used as reinforcement in self-compacting concrete (SCC). Indeed, the use of polypropylene fibers makes it possible
Dounia Derdour   +2 more
doaj  

Effect of Hybrid Fibers on the Mechanical Properties of High Strength Concrete

open access: yesTikrit Journal of Engineering Sciences, 2013
In this study, high strength concrete of 75 MPa compressive strength was investigated. The experimental program was designed to study the effect of fibers and hybrid fibers (steel and polypropylene fibers) on the fresh (workability and wet density) and ...
Hamid H. Hussein   +2 more
doaj   +1 more source

Damping of the woodwind instrument reed material Arundo donax L [PDF]

open access: yes, 2018
The viscoelastic properties (E', G', tanΦ, δ) of Arundo donax (AD) and a polypropylene-beech fiber composite (PPC) were measured from RT to 580K for various frequencies and strains.
Arlic, Uwe   +4 more
core   +2 more sources

STUDY OF THERMAL CONDUCTIVITY OF UNSTATURATED POLYESTER REINFORCED BY POLYPROPYLENE FIBERS [PDF]

open access: yesمجلة جامعة الانبار للعلوم الصرفة, 2015
In this research has been manufacture of overlapping polymer of unsaturated polyester resin Reinforced by polypropylene fibers (PPF) with ratio weight , (0,4,6,8,10) gm from polypropylene fibers .
Anmar Sh. Jasim, Faik H. Anter
doaj   +1 more source

A comparison of the results from intra-pleural and intra-peritoneal studies with those from inhalation and intratracheal tests for the assessment of pulmonary responses to inhalable dusts and fibres. [PDF]

open access: yes, 2016
The aim of this paper is to compare results from inhalation studies with those from intraperitoneal and intrapleural tests, where available, for a number of fibrous and particulate test materials.
Bevan, Ruth   +2 more
core   +2 more sources

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