Results 261 to 270 of about 313,825 (308)
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Failure mode in first-principles computational tensile tests of grain boundaries: effects of a bulk-region size, dominant factors, and local-energy and local-stress analysis

Journal of Physics: Condensed Matter, 2019
A first-principles computational tensile test (FPCTT) is a powerful tool to investigate intrinsic strength and failure processes of grain boundaries (GBs), according to atomic and electronic behaviors based on density-functional theory, while careful interpretation is required in comparison with experiments, because of ideal conditions used in FPCTTs ...
Hao Wang   +4 more
openaire   +2 more sources

Reprocessable Polymer Networks via Thiourethane Dynamic Chemistry: Recovery of Cross-link Density after Recycling and Proof-of-Principle Solvolysis Leading to Monomer Recovery

Macromolecules, 2019
Polythiourethane (PTU) can be synthesized by a type of click chemistry involving the reaction of thiols with isocyanates. To our knowledge, thiourethane dynamic chemistry has not been significantly explored from a fundamental standpoint and has only ...
Lingqiao Li, Xi Chen, J. Torkelson
semanticscholar   +1 more source

A gravity-driven split Hopkinson tension bar for investigating quasi-ductile and strain-hardening cement-based composites under tensile impact loading

, 2020
A gravitational split Hopkinson tension bar (SHTB) was developed with the goal of enabling an accurate characterization of the mechanical behavior of quasi-ductile cementitious composites in terms of force-deformation (stress-strain) curves under tensile
A. Heravi, I. Curosu, V. Mechtcherine
semanticscholar   +1 more source

Design principle of gradient elastic modulus transition layer via substrate mechanical property

Journal of Vacuum Science & Technology A
The differences in properties between ceramic coatings and their alloy substrates are the main factor that affects the adhesion between the coating and the substrate. Therefore, it is necessary to design a transition layer between them.
Linfan Sun, Yi Ren, Biao Si, Yanwen Zhou
semanticscholar   +1 more source

Temperature dependent longitudinal tensile strength model of unidirectional fiber reinforced polymer composites considering the effect of matrix plasticity

, 2020
The unidirectional fiber reinforced polymer (FRP) composites have captured intensive attention of scholars owing to their superior longitudinal tensile properties.
Ying Li   +7 more
semanticscholar   +1 more source

A Guiding Principle for Strengthening Crosslinked Polymers: Synthesis and Application of Mobility-Controlling Rotaxane Crosslinkers.

Angewandte Chemie, 2019
Three component mobility controlling vinylic rotaxane crosslinkers with two radically polymerizable vinyl groups (RC_Rs) were synthesized to prove that the mobility of the components of the RC_Rs plays a crucial role in determining the properties of ...
Jun Sawada   +3 more
semanticscholar   +1 more source

Stress states in plasma-sprayed thermal barrier coatings upon temperature cycling: Combined effects of creep, plastic deformation, and TGO growth

Ceramics International, 2019
To ascertain material parameter effects on the stress states is beneficial to comprehend the crack growth behavior and delamination mechanism in thermal barrier coatings (TBCs).
Zhi-Yuan Wei   +7 more
semanticscholar   +1 more source

Numerical simulation for strain rate and temperature dependence of transverse tensile failure of unidirectional carbon fiber-reinforced plastics

Journal of composite materials, 2019
In the present study, strain-rate and temperature dependence of the transverse tensile failure mode of unidirectional heat-resistant carbon fiber-reinforced plastics is numerically simulated by finite element analyses.
Mio Sato   +4 more
semanticscholar   +1 more source

Brittleness Characteristics and Damage Evolution of Coal Under True Triaxial Loading Based on the Energy Principle

Natural Resources Research, 2023
Rongxi Shen   +4 more
semanticscholar   +1 more source

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