Buoyancy-driven crack propagation: the limit of large fracture toughness [PDF]
We study steady vertical propagation of a crack filled with buoyant viscous fluid through an elastic solid with large effective fracture toughness. For a crack fed by a constant flux Q, a non-dimensional fracture toughness K=Kc/(3μQm3/2)1/4 describes the
Roper, S.M. +3 more
core +1 more source
Failure analysis based on microvoid growth for sheet metal during uniaxial and biaxial tensile tests [PDF]
The aim of the presented investigations is to perform an analysis of fracture and instability during simple and complex load testing by addressing the influence of ductile damage evolution in necking processes.
Abbassi, Fethi +2 more
core +1 more source
Mean Stress Effect on the Axial Fatigue Strength of DIN 34CrNiMo6 Quenched and Tempered Steel
The present study consists of a theoretical and experimental investigation of the effect of axial mean stresses on the high cycle fatigue behaviour of DIN 34CrNiMo6 high strength steel in quenched and tempered conditions.
Luis Pallarés-Santasmartas +3 more
doaj +1 more source
The formulation of mucoadhesive drug form for topical application in the oral cavity - application, manufacturing technology and testing methods [PDF]
There are over four hundred different diseases occurring within the oral cavity. These include, among others, mucositis, periodontitis, gingivitis, caries, oral infections, which are usually treated topically. Active substances for topical application in
Michał Krzysztof Kołodziejczyk +4 more
doaj +1 more source
Modelling of Dynamic Behaviour of Orthotropic Metals Including Damage and Failure [PDF]
A physically based material model for metals, with elastic plastic and damage/failure orthotropy is proposed in this paper. The model is defined within the frameworks of irreversible thermodynamics and configurational continuum mechanics and integrated ...
Djordjevic, Nenad +2 more
core +1 more source
Second law of thermodynamics and the failure of rock materials [PDF]
The relation of nonequilibrium thermodynamics to some failure and fracture theories of rock mechanics is investigated. The basic concepts are given to connect failure to the properties of material equations describing the elastic properties.
Ván, Péter, Vásárhelyi, Balázs
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Damage Characteristics of Surrounding Rock Subjected to VCR Mining Blasting Shock
For limiting the damage range caused by explosive shock loads in vertical crater retreat (VCR) mining, the blasting damage characteristics of surrounding rock were studied by two methods: numerical simulation and ultrasonic testing.
Nan Jiang +3 more
doaj +1 more source
Equivalent single layer theories for layered beams effectively and accurately predict global displacements and internal force and moment resultants using a limited number of displacement variables.
Roberta Massabò, Ilaria Monetto
doaj +1 more source
Lock gates are an important part of the transportation infrastructure within the United States (US). Unfortunately, many existing lock gates have reached or exceeded their initial design lives and require frequent repairs to remain in service ...
Christine Lozano +3 more
doaj +1 more source
Grain kernel damage during threshing: a comprehensive review of theories and models
Grain threshing is aimed at separating the grain from the inedible chaff. However, mechanical forces often damage grains, impacting their quality, market value, and germination ability. This comprehensive review examines theories and models developed to
George Ashwehmbom Looh +4 more
doaj +1 more source

