Results 101 to 110 of about 38,254 (163)

A study of composite material damage induced by laser shock waves [PDF]

open access: yes, 2013
A laser shock wave technique has been used to study the damage tolerance of T800/M21 CFRP (Carbon Fiber Reinforced Polymer) composite material with different lay_ups.
ESCAULT, Romain   +8 more
core   +1 more source

Using Carbon Fibre Reinforced Polymer Strips for Recuperation of Originally Fissured Concrete Beams

open access: yesPakistan Journal of Engineering & Technology, 2019
Carbon fiber reinforced polymer (CFRP) strips are widely used all over the globe as a repair and strengthening material for concrete elements. This paper looks at comparison of numerous methods to rehabilitate concrete beams with the use of CFRP sheet ...
Ali Ajwad   +4 more
doaj  

Heat Transfer Characteristics for Practical Hydrogen Pressure Vessels Being Filled at High Pressure

open access: yesJournal of Thermal Science and Technology, 2008
Experiments have been conducted to measure the rise in temperature of hydrogen and vessel wall during filling of commercially available, practical tanks to 35 and 70 MPa. Three test vessels with volumes 205, 130 and 39 liters are investigated.
Peter L. WOODFIELD   +2 more
doaj   +1 more source

Damping ratio of reinforced concrete walls under limited damage from shaking table test and data‐driven modeling

open access: yesStructural Concrete, EarlyView.
Abstract Accurate estimation of the damping ratio is critical for evaluating floor response spectra and equipment seismic demands in nuclear power plant structures. This study investigates the elastic damping ratio of reinforced concrete walls under limited damage states through shaking table tests and data‐driven modeling.
Hyeon‐Keun Yang, Min‐Kyu Kim
wiley   +1 more source

Creep Behavior and Prediction of Fiber-Reinforced Polymer Reinforced Timbers Under Changing Temperature and Relative Humidity

open access: yesBioResources, 2023
The creep behavior of fiber-reinforced polymer (FRP) reinforced larch laminar timber was studied with respect to temperature and humidity fluctuations.
In-Hwan Lee, Yo-Jin Song, Soon Il Hong
doaj  

Strengthening of punching shear of flat slab–column connections through hybrid near‐surface mounted and externally bonded systems: Experimental, numerical, and analytical study

open access: yesStructural Concrete, EarlyView.
Abstract Slab–column connections are vulnerable to punching shear, particularly when flexural cracking reduces the effective depth. This study proposes a sustainable dual‐strengthening system to enhance punching resistance and combined flexural–punching performance.
Ahmed Hamoda   +3 more
wiley   +1 more source

Comparative Study of the Influence of PPS, PAEK, and PEEK Thermoplastic Matrices on the Fatigue Mechanical Behavior of Carbon Fiber Reinforced Composites

open access: yesFatigue &Fracture of Engineering Materials &Structures, EarlyView.
ABSTRACT Structural thermoplastic composites have attracted increasing interest in engineering applications due to their excellent mechanical properties and recyclability. This work aims to contribute to this field by investigating the influence of poly(ether ether ketone) (PEEK), poly(aryl ether ketone) (PAEK), and poly(phenylene sulfide) (PPS ...
Dijan Vinicius Osti de Moraes   +3 more
wiley   +1 more source

From Content Coverage to Competence Development: Shifting Mechanics Education Toward Modeling and Reflection

open access: yesProceedings in Applied Mathematics and Mechanics, Volume 26, Issue 4, December 2026.
ABSTRACT Many engineering courses are still organized according to a predominantly deductive and content‐oriented approach: theoretical foundations are introduced first, while authentic disciplinary activity is often postponed to later stages of the curriculum.
Thorsten Bartel
wiley   +1 more source

Wear mechanism analysis of internal chip removal drill for CFRP drilling

open access: yesScience and Engineering of Composite Materials
As one of the main problems in the processing of carbon fiber reinforced polymer (CFRP), tool wear affects the quality and efficiency of hole making. As a new CFRP hole making process, the suction-type internal chip removal method can effectively slow ...
Xu Chengyang   +7 more
doaj   +1 more source

Recyclable and Degradable Covalent Adaptable Polymer Networks (CANs) Based on Dynamic Thiol–Yne Reactions

open access: yesJournal of Applied Polymer Science, Volume 143, Issue 44, November 20, 2026.
Covalent adaptable networks based on activated alkynes, that is, alkynones, and multifunctional thiols (three and tetrafunctional) are tested in two different recycling strategies: (i) mechanical recycling based on their vitrimeric properties and (ii) chemical recycling based on the reversible thiol addition on the vinylene compound.
Farhad Shohraty   +6 more
wiley   +1 more source

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