Results 201 to 210 of about 2,817 (257)

Study on the crack resistance of USP warm-mix rubber asphalt and its mixtures. [PDF]

Sci Rep
Shi W, Kuang W, Ling T, Tang J, Diao H, Wang Z, Zeng W.   +6 more
europepmc   +1 more source

Study on the mechanical and fracturing characteristics of parallel slit groove sandstone at different angles under cyclic loading and unloading. [PDF]

Sci Rep
Enbing Y.
europepmc   +1 more source

How Interfaces Limit Nanoscale Stress Concentrations and Prevent Catastrophic Failure in Single-Asperity Contacts

Meindlhumer M, Todt J, Alfreider M, Medjahed A, Grau J, Zitek M, Dollmann A, Uzun F, Daniel R, Steinmüller-Nethl D, Sternschulte H, Burghammer M, Zeman P, Maier-Kiener V, Korsunsky AM, Keckes J.   +15 more
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Measurement of crack tip strains using neutron diffraction

Engineering Fracture Mechanics, 1995
Residual elastic strains and plastic zones near fatigue cracks and monotonically loaded fatigue cracks in compact tension specimens of AISI 4340 steel were measured using neutron diffraction. Compressive residual strain fields were observed close to the crack tip. Further from the crack tip the residual strains were tensile, reaching a maximum within 5
M N Bassim, T M Holden
exaly   +2 more sources

Crack-Tip Strain Field in Supershear Crack of Elastomers

ACS Macro Letters, 2020
We characterize the crack-tip strain field in the high-speed (supershear) crack in the elastomers propagating faster than the shear wave speed of sound (Cs). The dependence of steady-state crack velocity (V) on input tearing energy exhibits a crossover at V ≈ Cs between the subsonic (V < Cs) and supershear cracks (V > Cs). Several features of the crack-
Thanh-Tam Mai, Kenichiro Okuno, Katsuhiko Tsunoda, Kenji Urayama   +3 more
openaire   +2 more sources

CRACK TIP STRAIN ON SHIP AND IN SITU MEASUREMENT IN SHIPYARDS

IFAC Proceedings Volumes, 2007
Abstract The paper presents the application extent of procedures for measurement deformations on ships. The actual deformation distribution was measured on the surface of the specimen by the optical grating method (OGM) parallel to the CTOD measurements. Displacements are actually measured with two cameras, i.e. stereometric method.
Lozanović, Jasmina, Gubeljak, Nenad, Sedmak, Aleksandar, Marko, R., Lazić, Dragan   +4 more
openaire   +3 more sources

A micro and macro analysis of strain at crack tip

Engineering Fracture Mechanics, 1989
Abstract A dislocation relaxation model is proposed for depicting the distribution of plastic strain at crack tip. The general form of the strain field at crack tip is given based on the linear elastic solution and H.R.R. solution for the strain field of the crack tip.
Guangxia Li, Xiping Li, Changchun Li, Shuyun Cao   +3 more
openaire   +1 more source

Moire Strain Contours Of Crack-Tip Deformation

SPIE Proceedings, 1987
In this paper, deformed cross gratings around crack-tip are recorded. The derivative fields of displacements (∂u/∂x, ∂u/∂y, ∂v/∂x, ∂v/∂y, ∂w/∂x ∂w/∂y) are obtained by optical spatial filtering of two shifted deformed gratings. From which, strain contours around crack-tips can be obtained directly.
B. C. Liu, S. Li, F. P. Chiang
openaire   +1 more source

Crack tip fields in strain gradient plasticity

Journal of the Mechanics and Physics of Solids, 1996
Solutions are presented for mode I and mode II crack tip fields for plane strain deformations of an elastic-plastic solid whose constitutive behavior depends on both strains and strain gradients. The constitutive law is the simplest generalization of the J2 deformation theory of plasticity to include strain gradient effects.
Z.Cedric Xia, John W. Hutchinson
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Displacements and strains at the crack tip

International Journal of Fracture Mechanics, 1968
Displacement and strains in the plastically yielded region generated ahead of a crack were measured with replica technique. The shape and length of the yielded zone were detected on mild steel plates of various thicknesses.
openaire   +1 more source