Materiales

Materiales

Formation Analysis of the Core Offset of Sheath/Core Bicomponent Fiber Based on Numerical Simulation
25/05/2023 - Sheath/core bicomponent spinning can be utilized to produce functional fibers with high application value such as plastic optical fibers. The core offset configuration formed during spinning is to...
Different Dyeing Properties in Nonaqueous Dyeing Systems for Various Wool Fibers
24/05/2023 - A large amount of wool with different characteristics is produced worldwide. The differences in wool structure due to the different habitats of sheep and goats and the corresponding environmental...
Synthesis of a Fiber-Forming Copolymer of Acrylonitrile in Dimethylsulfoxide
24/05/2023 - The extraction of biologically active compounds from the aerial biomass of nettle was studied. An analysis of the results revealed the efficiency of using nettle leaves to produce various groups...
Increasing Adhesion of Carbon Fiber Filler to Polymer by Sizing – a Review
23/05/2023 - The article considers the features of the samples of knitted fabrics for sewing volleyball knee pads and their main characteristics that provide protection and comfort during sports. The physical...
Analytical Estimate of Gelation Parameters for Spinning Chemical Fibers from a Polymer Solution
25/05/2023 - The effect of the degree of water vapor sorption on mechanical properties of needle-punched nonwoven fabric based on a blend of polyethylene terephthalate (PET) fibers with 0.33 and 1.7 tex linear...
Effect of fibre orientation and thermal exposure on the post?fire mechanical behaviour of carbon fibre reinforced polymer material
24/05/2023 - This study investigates the influence of fibre orientation and heat flux on the post?fire (residual) load?bearing properties of carbon fibre?reinforced polymer (CFRP) laminates. As a result, a deep...
Preparation of carboxymethyl cellulose (CMC) derived from palm fiber waste: Effect of ozone pretreatment on CMC properties
24/05/2023 - The addition of self?assembled nucleating agents in PLA matrix can effectively improve the crystallization properties of the composites, thus improving the mechanical properties, while changing the...
Sheet-like NiCo-layered double hydroxide anchored on NiTi alloy wire for extraordinary shape memory and high-performance supercapacitors
25/05/2023 - Abstract For wearable electronics, flexible supercapacitors with shape memory function can better meet the needs of practical applications. Herein, the porous Ni and NiCo-layered...
Ablation of selected thermoplastic polymers using an Nd:YAG laser
24/05/2023 - Abstract This article presents the results of a study on laser ablation of selected thermoplastic polymers using an economical fiber laser with a scanning galvanometer system and...
Effects of non-uniform needled microstructure on failure mechanisms of 3D needled composites thick-walled cylinder under axial compression and internal pressure
23/05/2023 - Abstract Three-dimensional (3D) needled ZrC–SiC-modified C/C composites (C/C–ZrC–SiC composites) as cutting-edge materials for throat or expansion section of rocket nozzle...
Diet and Asthma: A Narrative Review
24/05/2023 - Asthma is a chronic respiratory disease that impacts millions of people worldwide. Recent studies suggest that diet may play a role in asthma pathophysiology. Several dietary factors have been...
Obtaining Bacterial Cellulose through Selected Strains of Acetic Acid Bacteria in Classical and Waste Media
24/05/2023 - Bacterial cellulose (BC) is a natural exopolysaccharide characterized by a high purity, mechanical strength, and the ability to absorb various compounds. Obtaining BC on an industrial scale is...
Glass Fillers in Three Different Forms Used as Reinforcement Agents of Polylactic Acid in Material Extrusion Additive Manufacturing
25/05/2023 - The industrial demand for functional filaments made of bio-sourced, biocompatible, biodegradable, and/or recyclable polymers and composites for material extrusion (MEX) 3D printing is continuously...
Structural Health Monitoring and Management of Cultural Heritage Structures: A State-of-the-Art Review
25/05/2023 - In recent decades, the urgency to protect and upgrade cultural heritage structures (CHS) has become of primary importance due to their unique value and potential areas of impact (economic, social,...
The Effects of Steel Fiber Types and Volume Fraction on the Physical and Mechanical Properties of Concrete
24/05/2023 - Different types and amounts of steel fibers have varying effects on the improvement of concrete’s mechanical properties. In order to identify the most suitable steel fiber types for the...
Multimode Graded Index Fiber with Random Array of Bragg Gratings and Its Raman Lasing Properties
24/05/2023 - Light propagation in multimode fibers is known to experience various nonlinear effects, which are being actively studied. One of the interesting effects is the brightness enhancement at the Raman...
Pereskia aculeata Miller as a Novel Food Source: A Review
23/05/2023 - Pereskia aculeata Miller is an edible plant species belonging to the Cactaceae family. It has the potential to be used in the food and pharmaceutical industries due to its nutritional...
Effects of Four Different Dietary Fibre Supplements on Weight Loss and Lipid and Glucose Serum Profiles during Energy Restriction in Patients with Traits of Metabolic Syndrome: A Comparative, Randomized, Placebo-Controlled Study
24/05/2023 - Obesity and its associated complications require various lifestyle changes and treatment options. Dietary supplements are considered an attractive alternative to traditional therapy, mainly because...
Tenebrio molitor (Linnaeus, 1758): Microbiological Screening of Feed for a Safe Food Choice
25/05/2023 - As a result of the increasing focus on alternative protein sources which are ideally still sustainable, the yellow mealworm, Tenebrio molitor, has come into focus. To verify its suitability as a food...
Alkali-Activated Mortars Reinforced with Arundo donax: Properties and Durability to Environmental Stresses
23/05/2023 - Natural fibers were used to modify alkali-activated fly-ash mortars. Arundo donax is a common, fast-growing, widespread plant with interesting mechanical properties. Short fibers of different lengths...
High Performance Concretes with Highly Reactive Rice Husk Ash and Silica Fume
23/05/2023 - The search for new sources of high-quality non-crystalline silica as a construction material for high-performance concrete has attracted the interest of researchers for several decades. Numerous...