Results 81 to 90 of about 4,588 (232)

Numerical Analysis of Curvilinear Fatigue Crack Growth and Plastic Zone Evolution in Haynes 230 Superalloy Under Variable Stress Ratios

Crystals
This paper presents a high-fidelity numerical simulation of curvilinear fatigue crack growth (FCG) through a modified Compact Tension (CT) specimen made of Haynes 230 nickel-based superalloy.
Yahya Ali Fageehi, Abdulnaser M. Alshoaibi   +1 more
doaj   +1 more source

Unified fracture criterion for brittle 2D materials

npj Computational Materials
Two-dimensional materials (2DMs), possessing atomic-scale thickness, are prone to brittle fracture under loading conditions, which can lead to catastrophic failure.
Shenda Jiang, Israel Greenfeld, Lin Yang, Weilong Yin, Xiaodong He, H. Daniel Wagner   +5 more
doaj   +1 more source

STUDY ON THE SLOW CRACK GROWTH BEHAVIOR OF PE100 PIPE

Jixie qiangdu, 2019
In this article,fatigue crack growth（ FCG） experiments were conducted on cracked round bar（ CRB）specimens manufactured from PE100 pipes at different R-ratios.
DU ZhaoXin, DONG JunHua, GAO BingJun
doaj  

Numerical modeling of crack propagation under conditions of LEFM

, 2012
The presented bachelor’s thesis deals with numerical modeling of crack propagation in general planar body. A user macro was created in APDL programming language for estimation of crack propagation direction and collection of data.
Mikula, Jakub
core  

Plastic Zone Radius Criteria for Crack Propagation Angle Evaluated with Experimentally Obtained Displacement Fields

Buildings
The monitoring and maintenance of cracked structures are generally carried out using structural integrity assessments. The plastic zone (PZ) crack path (CP) criteria state that a crack grows in a specific direction when the radius of the plastic zone ...
Jorge Guillermo Díaz-Rodríguez, Alberto David Pertúz-Comas, Oscar Rodolfo Bohórquez-Becerra, Arthur Martins Barbosa Braga, Darío Prada-Parra   +4 more
doaj   +1 more source

LEFM and cohesive-crack approaches to safety evaluation of concrete gravity dams

, 2004
Comparative merits of Linear Elastic Fracture Mechanics (LEFM) and cohesive crack approaches are discussed in this contribution with specific reference to the evaluation of safety against ultimate failure of large concrete gravity dams.
BOLZON, GABRIELLA
core  

Fatigue Assessment and LEFM Analysis of Cruciform Joints Fabricated with Different Welding Processes, XIII-2175-07

, 2007
In this study fatigue testing and defect assessment were carried out on specimens welded with robotic and manualwelding using fl ux cored (FCAW) and metal cored (MCAW) fi ller materials in order to study the effect of the weldingmethod on the fatigue ...
Barsoum, Zuheir,, Jonsson, Bertil
core  

Residual strength evaluation by DBEM for a cracked lap joint

Fracture and Structural Integrity, 2015
The present work summarizes a numerical procedure aimed at the evaluation of the residual strength of a cracked lap joint, based on the competing failure mechanisms regulated by the R-curve analysis and plastic collapse.
R. Citarella
doaj  

On the use LEFM, NLFM and CZM in the analysis of a DCB test [PDF]

, 2019
Double cantilever beam (DCB) is the standard specimen for determining fracture resistance in mode I. This is usually done by using simple data-reduction schemes that combine linear- elastic fracture mechanics (LEFM) and beam theory (either Euler-Bernoulli or Timoshenko).
Jelenić, Gordan, Škec, Leo
openaire   +5 more sources

Possibilities of estimation of selected fracture parameters under conditions of LEFM

, 2014
The presented bachelor´s thesis deals with possibilities of estimation of selected fracture parameters under conditions of linear elastic fracture mechanic (LEFM).
Zouhar, Petr
core