Results 81 to 90 of about 3,030,042 (244)
BuildingsThis study examines the impact of recovered steel fibers (WTSFs) and waste tire aggregates of varying sizes—fine (FWTR), small coarse (SCWTR), and large coarse (LCWTR)—on the compressive strength of concrete subjected to elevated temperatures.
Yasin Onuralp Özkılıç +7 more
doaj +1 more source
Thermal Stability of Aqueous Polyurethanes Depending on the Applied Catalysts
Sensors, 2006 The thermal stability of aqueous polyurethanes has been measured applying thethermogravimetric analysis. The aqueous polyurethanes (aqPUR) with catalysts of differentselectivity have been studied by use of the dynamic method.
Miroljub Barac +6 more
doaj +1 more source
Advanced Engineering Materials, EarlyView.Predicting extreme defects in additive manufacturing remains a key challenge limiting its structural reliability. This study proposes a statistical framework that integrates Extreme Value Theory with advanced process indicators to explore defect–process relationships and improve the estimation of critical defect sizes. The approach provides a basis for
Muhammad Muteeb Butt +8 more
wiley +1 more source
Thermal and Catalytic Cracking of Toluene Using Char from Commercial Gasification Systems
Energies, 2019 Tar formation hinders the development of biomass gasification technologies. The use of pyrolytic char as a catalyst for removing tar has been widely investigated; its large specific surface area and pores distribution make it a good candidate for the ...
Eleonora Cordioli +2 more
doaj +1 more source
Advanced Engineering Materials, EarlyView.Low‐cycle fatigue damage in Mn–Mo–Ni reactor pressure vessel steel is examined using a combined electron backscatter diffraction and positron annihilation lifetime spectroscopy approach. The study correlates texture evolution, dislocation substructure development, and vacancy‐type defect formation across uniform, necked, and fracture regions, providing
Apu Sarkar +2 more
wiley +1 more source
Co-oxidation kinetic model for the thermal oxidation of polyethylene-unsaturated substrate systems [PDF]
, 2013 The thermal oxidation of polyethylene (PE) impregnated by the methyl esters of unsaturated fatty acids (UFEs) was studied using chemiluminescence, and infra-red spectrophotometry.
RYCHLÝ, Jozef +3 more
core +1 more source
BuildingsAccurate prediction of temperature-induced degradation in concrete is essential for improving structural fire safety and supporting reliable post-fire engineering decisions.
Hatice Elif Beytekin +4 more
doaj +1 more source
Stability of Chitosan—A Challenge for Pharmaceutical and Biomedical Applications
Marine Drugs, 2015 Chitosan—one of the natural multifunctional polymers—due to its unique and versatile biological properties is regarded as a useful compound in medical and pharmaceutical technology. Recently, considerable research effort has been made in order to develop
Emilia Szymańska, Katarzyna Winnicka
doaj +1 more source
Advanced Engineering Materials, EarlyView.Low‐temperature imidization of PEG‐modified polyimide enables fully screen‐printed, roll‐to‐roll fabrication of flexible electrodes on PET substrates, delivering robust mechanical durability and reliable ECG/EMG signal performance for wearable electronics.
Akib Abdullah Khan, Jong‐Hoon Kim
wiley +1 more source
Fire performance of Pinus taeda wood treated with zinc borate before and after leaching
Maderas: Ciencia y TecnologíaOwing to its physico-mechanical properties, wood is widely used in housing for both outdoor structures and indoors in floors, ceilings and others. However, its vulnerability to fire makes protection necessary for occupant safety and damage prevention ...
Alvaro Camargo +1 more
doaj +1 more source