Results 71 to 80 of about 510,085 (392)

A cross-sectional analysis of mental toughness in a professional football academy [PDF]

open access: yes, 2010
This study investigated mental toughness in an English Premier League football academy. 112 football players aged between 12 and 18 years of age completed the Mental Toughness Questionnaire 18 (Clough, Earle, & Sewell, 2002) as a measure of mental ...
Crust, Lee   +2 more
core  

Novel Biologically Active Glass Fiber Functionalized Using Magnesium Phosphate Cement Promotes Bone and Vascular Regeneration

open access: yesAdvanced Biology, EarlyView.
In this study, a new type of bioactive glass fiber ‐based composite magnesium phosphate bone cement is prepared and verified that its mechanical strength and biological properties. In addition, the cement may have played a biologically active role in the Notch and HIF signaling pathways.
Yuzheng Lu   +12 more
wiley   +1 more source

Enhancing the Interlaminar Fracture Toughness and AO Resistance of CFRPs by Using Phosphorus-Containing Polymer/PEC-K Bifunctional Film

open access: yesAerospace, 2021
A new attempt to use a bifunctional interleaf for developing a novel structure–function-integrated composite with simultaneously improved interlaminar fracture toughness and atomic oxygen resistance was studied.
Miaocai Guo
doaj   +1 more source

Considerations in selecting laboratory scale test specimens for evaluation of fracture toughness [PDF]

open access: yes, 2013
The assessment of defects in large steel structures requires a trustworthy evaluation of the material’s toughness. This toughness is not only a material property but is also influenced by the loading conditions and geometry; the so-called constraint. The
De Waele, Wim   +4 more
core   +1 more source

Phase Structure, Compatibility, and Toughness of PLA/PCL Blends: A Review

open access: yesFrontiers in Materials, 2019
Results of the studies dealing with the toughness of polylactic acid/polycaprolactone (PLA/PCL) blends are analyzed with respect to the PCL particle size, PLA matrix crystallinity, and presence of a compatibilizer.
I. Fortelný   +3 more
semanticscholar   +1 more source

Fracture toughness of rigid polymeric foams: A review

open access: yesFatigue & Fracture of Engineering Materials & Structures, 2020
Polymeric foams have good capacity of absorbing energy in compression but are brittle in tension. Linear elastic fracture mechanics is successfully applied to assess the integrity of polymeric foam-based composite structures.
L. Marșavina, Emanoil Linul
semanticscholar   +1 more source

Bridging Nature and Technology: A Perspective on Role of Machine Learning in Bioinspired Ceramics

open access: yesAdvanced Engineering Materials, EarlyView.
Machine learning (ML) is revolutionizing the development of bioinspired ceramics. This article investigates how ML can be used to design new ceramic materials with exceptional performance, inspired by the structures found in nature. The research highlights how ML can predict material properties, optimize designs, and create advanced models to unlock a ...
Hamidreza Yazdani Sarvestani   +2 more
wiley   +1 more source

Mechanical defenses of plant extrafloral nectaries against herbivory

open access: yesCommunicative & Integrative Biology, 2016
Extrafloral nectaries play an important role in plant defense against herbivores by providing nectar rewards that attract ants and other carnivorous insects.
Moshe Gish   +2 more
doaj   +1 more source

Plastic pre-compression and creep damage effects on the fracture toughness behaviour of Type 316H stainless steel [PDF]

open access: yes, 2014
The influence of inelastic damage in the form of plastic pre-strain and creep damage, on fracture toughness of Type 316H stainless steel has been examined.
Davies, C. M.   +3 more
core   +1 more source

Mussel‐Inspired Contact‐Active Antibacterial Hydrogel with High Cell Affinity, Toughness, and Recoverability

open access: yesAdvanced Functional Materials, 2018
Antibacterial hydrogel has received extensive attention in soft tissue repair, especially preventing infections those associated with impaired wound healing.
Donglin Gan   +7 more
semanticscholar   +1 more source

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