Exploració per tema "Essential work of fracture"
Ara es mostren els items 1-16 de 16
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Effect of specimen notch quality on the essential work of fracture of ductile polymer films
(2017-06-07)
Article
Accés obertThe essential work of fracture approach has been employed to analyse the effect of notch sharpening on the fracture toughness of a semicrystalline multiphase ethylene-propylene block copolymer. Double edge notched tension ... -
Essential work of fracture, crack tip opening displacement, and J-integral relationship for a ductile polymer film
(2016-10)
Article
Accés obertA unique set of double-edge notched tension specimens of a Polyethylene Terephthalate Glycol-modi¿ed ¿lm was tested in mode I, plane stress. The load was registered on a universal testing machine. The displacements, ligament ... -
Evaluation of essential work of fracture in a dual phase high strength steel sheet
(2013-01)
Article
Accés obertLa tenacidad de fractura de aceros de alta resistencia (AHSS), es una propiedad interesante para optimizar el com- portamiento a impacto, pero su caracterización experimental en chapas metálicas es compleja debido a su ... -
Extruded-calendered sheets of fully recycled pp/opaque pet blends: Mechanical and fracture behaviour
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-07-02)
Article
Accés obertThis work presents the experimental results of the mechanical and fracture behaviour of three polymeric blends prepared from two recycled plastics, namely polypropylene and opaque poly (ethylene terephthalate), where the ... -
Fracture mechanics based modelling of failure in advanced high strength steels
(2017)
Text en actes de congrés
Accés obertIn the last decade, the favorable properties of the press hardening process for advanced high strength steel (AHSS) have increased the demands concerning passenger safety and lightweight design. AHSS show excellent mechanical ... -
High strength steel fracture: fracture initiation analysis by the essential work of fracture concept
(Universitat Politècnica de Catalunya, 2015-01)
Treball Final de Grau
Accés obertAdvanced High Strength Steels (AHSS) are used in the automotive industry in form of thin sheets, to reduce weight and increase crashworthiness. However their moderate ductility can be a disadvantage for their conformation, ... -
Identification of fracture toughness parameters to understand the fracture resistance of advanced high strength sheet steels
(2020-04-15)
Article
Accés obertThe fracture toughness of four advanced high strength steel (AHSS) thin sheets is evaluated through different characterization methodologies, with the aim of identifying the most relevant toughness parameters to describe ... -
Impact of titanium dioxide in the mechanical recycling of post-consumer polyethylene terephthalate bottle waste: tensile and fracture behavior
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-01-19)
Article
Accés obertThis work provides an experimental analysis regarding the fracture behavior of recycled opaque PET (rPET-O) containing titanium dioxide (TiO2) under plane stress conditions. For this purpose, a commercially post-consumer ... -
Microstructural effects on fracture toughness of ultra-high strength dual phase sheet steels
(2021-01-20)
Article
Accés obertThe influence of the microstructure on the fracture toughness of two industrially processed 1000 MPa dual-phase (DP) steel grades is investigated. Crack initiation and propagation resistance are evaluated by means of the ... -
Notch effect on the fracture of a polymeric film
(2018-06-01)
Article
Accés obertThe fracture behavior of a bio-based thermoplastic copolyester film has been studied by combining the essential work of fracture, the J-integral, and the crack tip opening displacement characterization methods on double ... -
On the correlation between fracture toughness and crash resistance of advanced high strength steels
(2019-01-01)
Article
Accés restringit per política de l'editorialAutomotive industry players have devoted large efforts to identify the material parameters governing the crash resistance of Advanced High Strength Steels (AHSS). Such knowledge is essential to improve impact performance ... -
On the fracture behavior of ductile polymer films : notch quality, essential work of fracture, J-integral, and crack tip opening displacement
(Universitat Politècnica de Catalunya, 2018-04-13)
Tesi
Accés obertPolymers have a wide range of applications. Their ability to be shaped into multiple forms makes it possible to obtain polymer films, which are highly used in industries such as food and pharmaceuticals. Characterization ... -
Sheets of branched poly(lactic acid) obtained by one-step reactive extrusion-calendering process: physical aging and fracture behavior
(2014-06-01)
Article
Accés restringit per política de l'editorialThe architectural modifications of a linear poly(D,L-Lactide) acid (PD,L-LA) commercial grade were induced by a one-step reactive extrusion-calendering process using a styrene-glycidyl acrylate copolymer as reactive agent. ... -
Small punch test on the analysis of fracture behaviour of PLA-nanocomposite films
(2014-02)
Article
Accés restringit per política de l'editorialThe analysis of the fracture behaviour of polymeric films involves the determination of the specific essential work of fracture, which requires preparation, testing and evaluation of a large number of notched specimens. ... -
The fracture testing of ductile polymer films: Effect of the specimen notching
(Elsevier, 2017-10-01)
Article
Accés obertThe fracture of a ductile polymer film, a heterophase ethylene-propylene block copolymer, has been studied, combining a range of characterisation methods in an attempt to provide a better understanding of the intricate ... -
The post-yield fracture of a ductile polymer film: Notch quality, essential work of fracture, crack tip opening displacement, and J-integral
(2017)
Article
Accés obertDouble edge notched tension (DENT) specimens of a polyethylene terephthalate (PET) film were tested in an universal testing machine, measuring the displacements and the ligament lengths with a digital image correlation ...