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

Modeling Failure - 9.5 Plastic fracture mechanics

... crack tip fields for stationary crack in a power law hardening solid. The HRR fields are an exact solution to the stress, strain and displacement fields near ...

Investigation on crack propagation in single crystal Ag with ...

Here the tensile stress of the system reaches the maximum 5.37 GPa at the strain of 21.4%. Subsequently, the first void grows up and links up with the main ...

Crystal Plasticity Modelling and HR-DIC Measurement of Slip ...

13 Crystal plasticity calculated accumulated plastic strain and von Mises stress distributions within the. Ni ... strain fields so developed in single crystals ...

Influence of microstructure variability on short crack behavior ...

grain and the crack length on various MSCDFMs that involve local stress and strain fields are studied. ... pre-cracked Ni single crystal ...

Crack Tip Fields in a Single Edge Notched Aluminum Single Crystal ...

... single crystal fracture geometry and investigate the near-tip stress and strain fields. To this end, a single edge notched tensile (SENT) ...

Strain accumulation and fatigue crack initiation at pores and ...

on stress rupture of a Ni-base single crystal superalloy, Materials Science and Engineering: A, 361. (2003) 191-197. [9] X.W. Li, T. Liu, L. Wang, X.G. Liu ...

tensile crack tip fields in elastic-ideally plastic crystals

An asymptotic analysis of the crack tip stress and deformation field is presented for plane-strain tensile cracks in elastic-ideally plastic single crystals.

A Fracture-Mechanics-Based Methodology for Fatigue Life ... - UF MAE

fcc single crystal components based on the computation of stress intensity factors (SIFs), ... Crack Growth Behavior of a Single Crystal Ni-Base Superalloy ...

Erinosho, T., & Dunne, FPE (2016). Lattice strains at cracks in

on crack tip stress state and found that single crystal crack tip stresses largely remain ... Narasimhan, Quasi-static crack tip fields in rate-sensitive FCC ...

Fatigue crack propagation in [0 1 2] NiTi single crystal alloy

In particular, both strain field and lattice evolutions were analyzed by XRD. These studies revealed the occurrence of stress-induced ...

Deformation and fracture of single-crystal silicon theta-like specimens

stress fields were essentially uniaxial along the web axis for most of the web length, with consequent longitudinal and Poisson-contracted lateral strain fields ...

A molecular dynamics study of void growth and coalescence in ...

(2000) simulated void formation in nickel single crystals using molecular dynamics by subjecting infinitely long cylinders to a multiaxial tensile strain field.

Creep Behaviors of Nickel-Based Single Crystal Superalloys ...

Numerical simulation results show the crack-tip stress fields are dependent on crack crystallographic orientation. Observations performed on the real single ...

Fracture behaviour of single crystal silicon microstructures

The stress field in the vicinity of the notch tip (were cracks originate) is analyzed, and fracture mechanics parameters are determined. In the finite ele- ment ...

Orientation Dependence of Plasticity and Fracture in Single-Crystal ...

The crystal orientation was measured using electron backscatter diffraction. This work involved cyclic tension tests up to 10% strain and ...

Fracture Toughness Estimation of Single-Crystal Aluminum ... - MDPI

However, the fracture toughness is established modeling a nano-crystal with a specific crack length and geometry that change from one ...

Crack Length Effect on the Fracture Behavior of Single-Crystals and ...

Novel approaches based on fracture mechanics concepts were proposed to predict the crack length effect on single-crystals and bi-crystals. The ...

The Effect of Hydrogen and Microstructure on the Deformation and ...

2.1 Single Crystal Nickel-Base Superalloys ... crack tip stress fields in fcc metals. Hydrogen transport by dislocations is another possible transport.

Microscale deformation of (001) and (100) rutile single crystals ...

By converting the load–displacement data to nanoindentation (NI) stress–strain curves, together with microscopic post-indentation observations, we conclude that ...

Breakdown of Continuum Fracture Mechanics at the Nanoscale

This indicates that fracture is well-dominated by only the singular stress field near the crack tip, the size of which ΛK = 5.1 and 4.1 nm (K- ...