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作者:Silvio de Barros , Sandip Budhe , Mariana D. Banea ...
来源:[J].Fracture and Structural Integrity, 2018, Vol.12 (44), pp.151 - 160Gruppo Italiano Frattura
摘要:The main aim of this study is to assess the effectiveness of a composite repair system in severely corroded circumferential welds in super duplex stainless steel pipes as a preventive measure against the premature corrosion damage at the welds. Artificial defects were fabricated ...
作者:Nicola Bonora , Gabriel Testa , Andrew Ruggiero ...
来源:[J].Fracture and Structural Integrity, 2018, Vol.12 (44), pp.140 - 150Gruppo Italiano Frattura
摘要:The Bonora damage model was extended to account for shear-controlled damage. To this purpose, a new definition for the damage dissipation potential in which an explicit dependence on the third invariant of deviatoric stress was proposed. This expression leads to damage rate equat...
作者:Xiaoping Zhou , Xiaocheng Huang , Filippo Berto
来源:[J].Fracture and Structural Integrity, 2018, Vol.12 (44), pp.64 - 81Gruppo Italiano Frattura
摘要:Rocks may exhibit time-dependent behaviors. Long-term strength criterion significantly dominates creep failure of rocks. Rocks contain many microcracks, which lead to degrade of long-term strength. In this paper, it is assumed that there exist three-dimensional penny-shaped micro...
作者:Victor Reut , Natalya Vaysfeld , Zinaida Zhuravlova
来源:[J].Fracture and Structural Integrity, 2018, Vol.12 (44), pp.82 - 93Gruppo Italiano Frattura
摘要:In this article the plain elasticity problem for a semi-strip with a transverse crack is investigated in the different cases of the boundary conditions at the semi-strip�s end. Unlike many works dedicated to this subject, the fixed singularities in the singular integral equa...
作者:Nicola Bonora , Gabriel Testa , Andrew Ruggiero ...
来源:[J].Fracture and Structural Integrity, 2018, Vol.12 (44), pp.161 - 172Gruppo Italiano Frattura
摘要:The extended Bonora damage model was used to investigate joinability of materials in self-piercing riveting process. This updated model formulation accounts for void nucleation and growth process and shear-controlled damage which is critical for shear fracture sensitive materials...
作者:Nabi Mehri Khansari , Filippo Berto , Namdar Karimi ...
来源:[J].Fracture and Structural Integrity, 2018, Vol.12 (44), pp.106 - 122Gruppo Italiano Frattura
摘要:Performance of Friction Stir Welding (FSW) as a solid-state process is approved in several engineering applications, especially aluminum industries. Identification of mechanical behavior of the associated welded zone is necessary due to these extensive applications of FSW. In thi...
作者:Kamal Rahmani , Belal Rahmanzadeh , Saber Piroti
来源:[J].Fracture and Structural Integrity, 2018, Vol.12 (44), pp.16 - 24Gruppo Italiano Frattura
摘要:The effect of water-cement ratio on abrasion resistance, porosity and hydraulic conductivity coefficient of Nano silica concrete have been studied in this research (paper). The compressive strength of concrete in a particular temperature is related to two factors: water-cement ra...
作者:Amal Saoud , Abdelhamid Elamri , Khadija Kimakh ...
来源:[J].Fracture and Structural Integrity, 2018, Vol.12 (44), pp.25 - 34Gruppo Italiano Frattura
摘要:Shear strength is one of the properties often used to qualify a wood species for use in industry. But until now there is no standardized test which allows understanding this phenomenon. This paper constitutes a new approach to study the behavior of the wood material subjected to ...
作者:Qingchao Li , Yuanfang Cheng , Dongxian Zhou ...
来源:[J].Fracture and Structural Integrity, 2018, Vol.12 (44), pp.35 - 48Gruppo Italiano Frattura
摘要:Multi-cluster staged fracturing technology is an effective measure to stimulate the reservoir properties. However, the inter-cluster interference effect is obvious when the cluster spacing is very narrow, which seriously affects the effect of fracturing. In order to understand th...
作者:Vittorio Di Cocco , Stefano Natali
来源:[J].Fracture and Structural Integrity, 2018, Vol.12 (44), pp.173 - 182Gruppo Italiano Frattura
摘要:Shape memory alloys (SMAs) are a wide class of materials characterized by the property to recover the initial shape. This property is due to ability of alloys to change the microstructure from a �parent� microstructure (usually called �Austenite�) to a �product� mi...

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