Results 131 to 140 of about 2,807,032 (362)

Flexural and Impact Strength of Poly Methyl Methacrylate Incorporated with Hydroxyapatite Nanoparticles. [PDF]

open access: yesAl-Rafidain Dental Journal
Aims: To investigate the effects of the incorporation of hydroxyapatite nanoparticles (HA NPs) with size (20 nm) at two concentrations (0.5% and 1%) on the flexural strength and impact strength of heat-cured acrylic resin.
Saif Mohanad Al-Obaidy   +1 more
doaj   +1 more source

Glass-ceramic Flexural Strength after Hydrofluoric Acid and Unfilled Resin Treatment [PDF]

open access: yes, 2013
poster abstractThe use of hydrofluoric (HF) acid is considered one of the most effective methods for achieving durable resin bond to glass-ceramics. Nonetheless, HF acid etching effect on glass-based ceramics strength remains uncertain and only a few ...
Borges, Alexandre Luiz Souto   +4 more
core  

Variable cavity volume tooling for high-performance resin infusion moulding [PDF]

open access: yes, 2010
This article describes the research carried out by Warwick under the BAE Systems/EPSRC programme ‘Flapless Aerial Vehicles Integrated Interdisciplinary Research – FLAVIIR’.
Achim V.   +11 more
core   +1 more source

Wearable and Implantable Devices for Continuous Monitoring of Muscle Physiological Activity: A Review

open access: yesAdvanced Science, EarlyView.
Recent advances in materials and device engineering enable continuous, real‐time monitoring of muscle activity via wearable and implantable systems. This review critically summarizes emerging technologies for tracking electrophysiological, biomechanical, and oxygenation signals, outlines fundamental principles, and highlights key challenges and ...
Zhengwei Liao   +4 more
wiley   +1 more source

Fuzzy sets predict flexural strength and density of silicon nitride ceramics [PDF]

open access: yes
In this work, we utilize fuzzy sets theory to evaluate and make predictions of flexural strength and density of NASA 6Y silicon nitride ceramic. Processing variables of milling time, sintering time, and sintering nitrogen pressure are used as an input to
Baaklini, George Y.   +3 more
core   +1 more source

Flame retardancy and mechanical properties of poegmah compatibilized rice husk filled polypropylene composites [PDF]

open access: yes, 2009
Flammability of Polypropylene, PP has restricted its usage as a versatile synthetic polymer. The addition of flame retardants will lower the flammability of PP. However, it will lower the mechanical properties.
Adnan, Noorazlina
core  

The behaviour of remolded Batu Pahat soft clay with different OCR values under cyclic loading [PDF]

open access: yes, 2017
The Batu Pahat Soft Clay, (BPSC) of Universiti Tun Hussein Onn Malaysia, (UTHM) were low in shear strength, bearing capacity, and suffer large settlements when subjected to loading.
Izzudini, Muhammad Arif Azraei   +1 more
core   +1 more source

Effect of steel fibres on the compressive and flexural strength of concrete

open access: yesInternational Journal of Advances in Applied Sciences, 2018
Concrete, which is made of cement, fine and coarse aggregates and water, is the most used building material in the world. It’s durable, strength and ease of availability have been its main advantages.
A. A. Jhatial   +4 more
semanticscholar   +1 more source

Strong, Recyclable, Bio‐Based Vitrimers by Tailored Rigid‐Flexible Structures for Advanced Carbon Fiber‐Reinforced Polymers

open access: yesAdvanced Science, EarlyView.
A sustainable high‐performance epoxy vitrimer (F9T1) was developed via a rigid‐flexible integrated design using rigid and flexible bio‐based epoxy monomers. F9T1 features superior mechanical property, char‐forming ability, fire safety, chemical degradability and recyclability due to its rigid‐flexible network with abundant dynamic disulfide and ester ...
Yong Guo   +11 more
wiley   +1 more source

Studies on mechanical behavior of glass epoxy composites with induced defects and correlations with NDT characterization parameters [PDF]

open access: yes, 2007
Degradation in mechanical properties (compression, flexural and ILS) of glass epoxy composite laminates with induced defects (simulating delaminations) was studied. The defects were characterized by using the A-scan ultrasonic pulse-echo technique.
Kumar, C Rahul   +4 more
core   +1 more source

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