Zobrazeno 1 - 10
of 93
pro vyhledávání: '"Valery Shlyannikov"'
Publikováno v:
Frattura ed Integrità Strutturale, Vol 18, Iss 70 (2024)
In this study, we present a new implementation of the phase field fracture approach in the finite element code ANSYS and its numerical background. The framework is general, and is supported by addressing several classical 2D boundary value problems a
Externí odkaz:
https://doaj.org/article/72f58405ee5a4e4e815a337146c2348d
Publikováno v:
Frattura ed Integrità Strutturale, Vol 16, Iss 62, Pp 1-13 (2022)
This study represents a methodology to assess the probability of failure based on three the driving force formulations defined by the corresponding brittle and ductile fracture criteria for compact and bending specimens made of 34XH3MA and S55C steel
Externí odkaz:
https://doaj.org/article/1b0485ee541341ba846579dbec8780fe
Publikováno v:
Frattura ed Integrità Strutturale, Vol 16, Iss 61, Pp 46-58 (2022)
The ambient and high-temperature fatigue crack growth behaviors in C(T) and SENT specimens of Ni-based superalloy for turbine disk application were studied in a wide interval of temperatures 25�750�C using a combination a electro- and servohydrau
Externí odkaz:
https://doaj.org/article/35d369a08fae4023ad9daf53026bc7b8
Publikováno v:
Frattura ed Integrità Strutturale, Vol 14, Iss 54, Pp 192-201 (2020)
In this study, the influence of a material�s plastic properties on the crack tip fields and dislocation density behavior is analytically and numerically analyzed using the conventional mechanism-based strain-gradient plasticity (CMSGP) theory estab
Externí odkaz:
https://doaj.org/article/c25fa602b61a4f09803a849376f7b945
Publikováno v:
Frattura ed Integrità Strutturale, Vol 14, Iss 53, Pp 223-235 (2020)
In this paper the plastic stress intensity factor (SIF) is used to study the coupling effects of the loading biaxiality, the material properties and the cracked body configuration in both the small- and large-scale yielding ranges. A finite element (
Externí odkaz:
https://doaj.org/article/1385c983ba8b4d3d80c20c3ef3a7486a
Publikováno v:
Frattura ed Integrità Strutturale, Vol 13, Iss 48, Pp 87-96 (2019)
This paper provides the background for practical applications of nonlinear fracture resistance parameters for structural integrity assessment of aviation structures with initial cracks. The subject of this numerical study is a fragment of airplane fu
Externí odkaz:
https://doaj.org/article/afa92434751c4bea802f66325088dd81
Publikováno v:
Frattura ed Integrità Strutturale, Vol 13, Iss 48, Pp 50-57 (2019)
The work is devoted to experimental study of heat flux evolution at the fatigue crack tip during biaxial loading with a goal to relate the heat flux to the rate of crack propagation under different loading conditions. The plane samples of titanium al
Externí odkaz:
https://doaj.org/article/6da659126f6042c2924e23cafc4e85af
Autor:
Valery Shlyannikov, Andrey Tumanov
Publikováno v:
Frattura ed Integrità Strutturale, Vol 13, Iss 48, Pp 77-86 (2019)
The stress, strain rate and process zone with respect to the creep-crack growth are analyzed by employing damage-evolution equations. The damage models for the fracture of the process zone are represented using a stress and ductility based formulatio
Externí odkaz:
https://doaj.org/article/932c7e627abe427895f19cc3c2a250f0
Publikováno v:
Frattura ed Integrità Strutturale, Vol 13, Iss 48 (2019)
The work is devoted to experimental study of heat flow evolution at the fatigue crack tip during biaxial loading. The plane samples of titanium alloy Graid-2 with thick of 1 mm were weakened by notch to initiate fatigue crack at the center of samples
Externí odkaz:
https://doaj.org/article/03c55f0077cc4f35b9075c6d23e691ff
Publikováno v:
Fatigue & Fracture of Engineering Materials & Structures. 45:2854-2872