Crack|tip stress–strain fields in single crystal nickel|base ...

Numerical investigation of crack tip strain localization under cyclic ...

Marchal N, Flouriot S, Forest S, Remy L (2006) Crack-tip stress–strain fields in single crystal nickel-base superalloys at high temperature under cyclic loading ...

Stress intensity factors and crack propagation in single crystal nickel ...

which results in different stress and deformation fields around the crack tip. Secondly, cracks. *. Corresponding author. Tel.: +31-527-248727; fax: +31-527 ...

(PDF) Strain localization at the crack tip in single crystal CT ...

... Ni-base superalloys, single crystal. 1. Introduction The determination of stress and strain fields at the crack tip in single crystals is an essential step ...

A Unique Influence of Creep Deformation on the Subsequent ...

Single crystal Ni-base superalloys are subjected to tension hold at high temperature in addition to cyclic loading during the operation of ...

Crack tip fields in ductile crystals

near-crack-tip stress and deformation fields in ductile single crystals. Ductile crystals deform plastically by the motion of dislocations on a limited set ...

Sample Size Dependence of Crack-tip Microstructure and Stress ...

Figure 2: Contour plots of the atomic tensile stress field for a pre-cracked single crystal nickel with unequal sample sizes at different loading time steps (a) ...

The Effect of Crystal Orientation and Temperature on Fatigue Crack ...

In regard to crack propagation behavior of single crystal superalloys, it is well known that cracks tend to propagate on {111} slip planes at low temperature, ...

Effect of Microstructural Degradation on Crack Tip Stress Fields in ...

Single crystals; Superalloys; Oxidation; Crack Growth; Fracture. INTRODUCTION. In two-phase single crystals such as Ni-base superalloys, heterogeneities exist ...

Effect of secondary orientation on notch-tip plasticity in superalloy ...

Crack-tip stress–strain fields in single crystal nickel-base superalloys at high temperature under cyclic loading. Computational Materials ...

Crystal plasticity analysis of cylindrical indentation on a Ni-base ...

Strain localization at the crack tip in single crystal · CT specimens ... Finite-element analysis of the stress–strain behavior of single-crystal ...

Controlling and Monitoring Crack Propagation in Monolayer ...

In contrast, a blunt crack lying along an irrational direction of the crystal is found to have a less localized stress field at the crack tip ...

experiments and failure criteria for single crystal alloys of gas turbine ...

stress, strain and damage fields allow to find the location of crack ... strength of a single crystal nickel base superalloy. Superalloys. The ...

The Microstructural Evolution of Nickel Single Crystal under Cyclic ...

The essence of crack propagation is the rupture of bonds between atoms, and the driving force behind it is the stress field caused by the ...

Numerical modeling of fatigue crack growth in single crystal nickel ...

... crack growth and crack bifurcation in complex stress fields. Moreoever the model must be capable of predicting not only the crack growth ...

Investigation of deformation field and hydrogen partition around ...

There are also differences. Hydrogen easily enlarges the crack tip opening displacement (CTOD) under a lower threshold stress-intensity factor, inhomogeneously ...

Numerical Modeling of Fatigue Crack Growth in Single Crystals ...

Crack-tip Stress-Strain Fields in Single Crystal Nickel-base Superalloys at High Temperature Under Cyclic Loading, Computational Materials Science, 37: 42-50.

Effects of crack–γ/γ′ interface relative distributions on the ... - NCBI

... stress distribution and microstructure evolution ahead of a growing crack in single crystal nickel. ... deformation of α-Fe single crystal ...

Surface Slip Deformation Characteristics of Nickel-Base Single ...

Forest, and L. Remy, ''Crack-tip stress– strain fields in single crystal nickel-base superalloys at high temperature under cyclic loading,' ...

Modeling Near-Crack-Tip Plasticity From Nano- to Micro-Scales

Away from the core region, the displacement, stress and strain fields ... generated three- dimensional models of a single crystal nickel-based alloy modeled as an ...

Fatigue crack growth in a nickel-based superalloy at elevated ...

Results showed distinctive strain ratchetting behaviour near the crack tip, leading to progressive accumulation of tensile strain normal to the ...