Results 301 to 310 of about 161,765 (342)

Fracture Toughness, Radiation Hardness, and Processibility of Polymers for Superconducting Magnets. [PDF]

open access: yesPolymers (Basel)
Gaarud A   +9 more
europepmc   +1 more source

Dynamic fracture toughness

International Journal of Fracture, 1986
Dynamic fracture toughness versus crack velocity relations of Homalite-100, polycarbonate, hardened 4340 steel and reaction bonded silicon nitride are reviewed and discrepancies with published data and their probable causes are discussed. Data scatter in published data are attributed in part to the observed fluctuations in crack velocities. The results
A. S. Kobayashi   +4 more
openaire   +1 more source

Fracture Mechanics - Fracture Toughness Determination

70th EAGE Conference and Exhibition incorporating SPE EUROPEC 2008, 2008
Fracture Mechanics has great potential in solving rock mechanics challenges. Therefore software packages like FRACOD2D which make use of such models are being developed. Input to such codes are e.g. fracture toughnesses. This contribution presents a new laboratory method for determination of the resistance of rock to shear fracturing, i.e Mode II ...
T. Backers, O. Stephansson
openaire   +1 more source

Fracture toughness and hydraulic fracturing

International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1989
Abstract A study of the influence of fracture toughness on the shape of a hydraulically induced fracture is presented. Three-dimensional numerical simulations of fracture propagation show that fracture toughness is not the main controlling parameter if one chooses fracture toughness values determined at ambient conditions.
openaire   +1 more source

Fracture Toughness and Fatigue Threshold of Tough Hydrogels

ACS Macro Letters, 2018
Hydrogels of numerous chemical compositions have achieved high fracture toughness on the basis of one physical principle. As a crack advances in such a hydrogel, a polymer network of strong bonds ruptures at the front of the crack and elicits energy dissipation in the bulk of the hydrogel.
Wenlei Zhang   +6 more
openaire   +2 more sources

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