Results 241 to 250 of about 58,593 (304)

Continuous‐Flow Photocatalytic Degradation of Glyphosate and Aminomethylphosphonic Acid Under Simulated Sunlight with TiO2‐Coated Poly(vinylidene fluoride) Membrane

Advanced Functional Materials, EarlyView.
Glyphosate (GLY) and its primary metabolite, aminomethylphosphonic acid (AMPA), are photodegraded using a poly(vinylidene fluoride) membrane with immobilized titanium dioxide (PVDF‐TiO2) in a continuous flow‐through operation under solar light. At optimized conditions, the PVDF‐TiO2 membrane achieved 95% GLY and 80% AMPA removal with •O2− as the ...
Phuong B. Trinh, Siqi Liu, Nurul F. Himma, Béla Fiser, Andrea I. Schäfer   +4 more
wiley   +1 more source

Effect of grain network structure on macroproperties and strain energy of marble under unconfined compression using 2D continuum-based voronoi models. [PDF]

Sci Rep
Ghorbani S.
europepmc   +1 more source

A Review of the Parameters Controlling Crack Growth in AM Steels and Its Implications for Limited-Life AM and CSAM Parts. [PDF]

Materials (Basel)
Jones R, Ang A, Phan N, Brindza MR, Nicholas MB, Timbrell C, Peng D, Chandwani R.   +7 more
europepmc   +1 more source

Effects of Aged Conditions on the Self-Healing Performance of Asphalt Mixtures: A Comparative Study of Long-Term and Short-Term Aging. [PDF]

Polymers (Basel)
He Z, Xu A, Wang A, Zhu T, Guan B.
europepmc   +1 more source

Evaluation of the Self-Healing Capacity of Asphalt Concrete with Polymer Capsules Containing Rejuvenator Under Various Cyclic Load Conditions. [PDF]

Materials (Basel)
Wan P, Ma Z, Lin Z, Zhong P, Zou X, Shen Y, Lin N, Chen H, Wang J, Wu S, Liu Q, Zhang L, Gong X.   +12 more
europepmc   +1 more source

Study on the Damage and Seepage Evolution Laws of Gas-Bearing Coal During Instability and Failure. [PDF]

ACS Omega
Ma X, Gong X, Cheng X, Cheng C, Yang P, Xiao L, Sun Y, Sun B.   +7 more
europepmc   +1 more source

Study on the energy evolution mechanism and periodic micro-fracture of the BR under triaxial compression tests. [PDF]

Sci Rep
Tan Y, Zeng Z, Chen J, Guo M, Song W.
europepmc   +1 more source

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Effect of crack closure on gear crack propagation

International Journal of Fatigue, 2001
Computational and experimental studies were performed in order to investigate the propagation of cracking in a spur gear tooth. The stress intensity factors were numerically calculated by the definition of weight functions and by finite element analysis.
GUAGLIANO, MARIO, VERGANI, LAURA MARIA
openaire   +3 more sources

Effect of crack closure on crack initiation parameters

Engineering Fracture Mechanics, 1986
Young’s modulus shear modulus elastic constant : 3 -4y plane strain ; 3 -r/l + y plane stress force per unit thickness of plate open end mode I stress intensity factor open end mode II stress intensity factor Poisson’s ratio applied uniform tension, 2p/k + 1 distance of concentrated force from centre line of crack maximum normal stress minimum strain ...
R.S. Alwar, S. Thiagarajan
openaire   +1 more source

Closure Effects on Fatigue Crack Detection

Journal of Engineering Mechanics, 1999
An experimental study of crack closure and its effects on the vibration of a simple beam shows that both frequency and damping changes due to the crack are influenced significantly, to the point of being obscured in some cases. The nonlinearity induced by crack closure is also explored.
Wuzhen Zhang, Rene B. Testa
openaire   +1 more source