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Fatigue-crack-initiation numerical modelling of a Ni-base powder metallurgy alloy
fatigue-crack-initiation numerical simulation slip system powder metallurgy Voronoi tessellation
2014/5/21
A simplified three-dimensional numerical model was presented to simulate the micro-crack nucleation and growth to some predefined dimension (approximately 0.38mm) on the throat surface of a Ni-base po...
Numerical Simulation of Fatigue Crack Initiation and Propagation for In-plane Gusset Welded Joints
Numerical Simulation Fatigue Crack Initiation In-plane Gusset Welded Joints RPG
2009/4/30
In this paper, it is confirmed that fatigue life estimation by FLARP gives accurate results by comparing the estimated fatigue crack growth curves with the experimental results for in-plane gusset wel...
ULTIMATE STRAINS OF STRUCTURAL STEELS AGAINST DUCTILE CRACK INITIATION
ductile crack initiation structural steel brittle fracture micro-void model ultimate strain
2008/12/18
This paper aims to propose a criterion in terms of equivalent plastic strain or axial strain against ductile crack initiation for structural steels. For this purpose, tension test on round steel bars...
Crack initiation and propagation in FeAl matrix
Crack resistance Fracture mechanic X-ray phase analysis Computational material science
2010/2/22
Purpose: of this paper is evaluation of macroscopic and microscopic residual stresses and their influence on nucleation and development of cracking in Fe-Al-C cast alloy.
Design/methodology/approach:...
Crack initiation in steel parts working in boilers and steam pipelines
Fatigue Residual life analysis Fracture mechanics Properties of materials and products
2010/2/22
Purpose: The purpose of this paper is to identify the influence of loading history and the processes of material degradation on the crack initiation and on durability under thermo-mechanical fatigue c...