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  1. Journal of the Brazilian Society of Mechanical Sciences and Engineering
  2. Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37
  3. Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 4, July 2015
  4. J-dominance and size requirements in strength-mismatched fracture specimens with weld centerline cracks
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Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 40
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 39
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 38
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 6, November 2015
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 5, September 2015
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 4, July 2015
Smart tool, machine and special equipment: overview of the concept and application for the toolmaking factory of the future
Dynamic response of a frame-foundation-soil system: a coupled BEM–FEM procedure and a GPU implementation
Fatigue crack growth analysis of a homogeneous plate in the presence of multiple defects using extended isogeometric analysis
J-dominance and size requirements in strength-mismatched fracture specimens with weld centerline cracks
Short-time numerical analysis of steel–concrete composite beams
A real-time navigation system for autonomous underwater vehicle
Triflex: variable-configuration parallel manipulators with self-aligning
On nonlinear dynamics behavior and control of a new model of a magnetically levitated vibrating system, excited by an unbalanced DC motor of limited power supply
Nonlinear analysis of chatter in turning process using dimensionless groups
Distortional buckling resistance of cold-formed steel
Bayesian approach to identify the bit–rock interaction parameters of a drill-string dynamical model
Design to doc framework: a model to support aircraft direct operating cost reduction
Erratum to: Design to doc framework: a model to support aircraft direct operating cost reduction
Creeping flow past rotating axi-symmetric isolated body-class of deformed sphere
Lower pressure drop turbine blade trailing-edge cooling configuration
Three-dimensional LES modeling of induced gas motion under the influence of injection pressure and ambient density in an ultrahigh-pressure diesel injector
Second law of thermodynamics analysis of hydro-magnetic nano-fluid slip flow over a stretching permeable surface
RANS simulation of interceptor effect on hydrodynamic coefficients of longitudinal equations of motion of planing catamarans
Effect of an endoscope and rotation on the peristaltic flow involving a Jeffrey fluid with magnetic field
Transition to periodic unsteady and effects of Prandtl and Richardson numbers on the flow across a confined heated trapezoidal prism
Practical implementation aspects of Galerkin reduced order models based on proper orthogonal decomposition for computational fluid dynamics
2D lid-driven cavity flow simulation using GPU-CUDA with a high-order finite difference scheme
MHD boundary layer flow over an unsteady shrinking sheet: analytical and numerical approach
Experimental investigation of the convective heat transfer characteristics of TiO$_{2}$/distilled water nanofluids under constant heat flux boundary condition
Surface modifications in grinding AISI D3 steel using cryogenic cooling
Thermodynamic analysis of a transcritical CO$_{2}$/propylene cascade system with split unit in HT cycle
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Studying sequences of resonant orbits to perform successive close approaches with the Moon
Effect of swirl on performance and emissions of CI engine in HCCI mode
An optimal immune therapy protocol under chemotherapy regime in non-Hodgkin’s lymphoma treatment
Analyzing the use of pins in safety bearings
Transverse vibration analysis of rotating porous beam with functionally graded microstructure using the differential transform method
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 3, May 2015
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 2, March 2015
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 1, January 2015
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 36
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 35

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J-dominance and size requirements in strength-mismatched fracture specimens with weld centerline cracks

Content Provider SpringerLink
Author Ruggieri, Claudio Souza, Rodolfo F.
Copyright Year 2014
Abstract The strong dependence of crack-tip fields on specimen geometry and remote loading, particularly for moderate-to-low hardening materials under LSY conditions underlies the constraint loss phenomenon and invalidates the one-parameter characterization of unstable cracking behavior in terms of the $$J$$ -integral. Previous research efforts have enabled establishing size requirements for valid $$J$$ fracture toughness testing based on the dominance of the HRR singularity which are essentially applicable to homogeneous materials. Only little effort has been expended in the past years to extend the one-parameter characterization of crack-tip conditions to welded structural components. The present work addresses the coupling effect of specimen geometry and weld strength mismatch on the crack-tip deformation limits for which $$J$$ -dominance is valid in weld centerline fracture specimens. Very detailed nonlinear finite element analyses of plane-strain models for common specimen geometries, including deep and shallow crack bend SE(B) and tension SE(T) fracture specimens, with weld centerline cracks enable resolving the required crack-tip stress fields from which the variation of crack-tip constraint with increased values of $$J$$ can be assessed. The present study provides further insight into the coupled effects of specimen geometry and weld strength mismatch on the levels of deformation limit defined by $$M=(b\sigma _{0}^{WM})/J$$ , where $$b$$ is the remaining crack ligament and $$\sigma _{0}^{WM}$$ denotes a reference (yield) stress for the weld material, at which a one-parameter characterization of crack-tip stress fields still remains valid.
Starting Page 1083
Ending Page 1096
Page Count 14
File Format PDF
ISSN 16785878
Journal Journal of the Brazilian Society of Mechanical Sciences and Engineering
Volume Number 37
Issue Number 4
e-ISSN 18063691
Language English
Publisher Springer Berlin Heidelberg
Publisher Date 2014-10-02
Publisher Place Berlin, Heidelberg
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Large-scale yielding HRR dominance Weld centerline cracks $$J$$ -integral Welded fracture specimen Mechanical Engineering
Content Type Text
Resource Type Article
Subject Applied Mathematics Industrial and Manufacturing Engineering Automotive Engineering Mechanical Engineering Aerospace Engineering
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