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121
The effect of shielding gas composition on the toughness and crack growth parameters of AlMg4,5Mn weld metals
Published 2010-01-01“…Also, the weld metal toughness was estimated, using the instrumental Charpy impact testing system, followed by estimating the crack initiation energy, crack growth energy and the fracture mechanics parameters. The goal was to establish the effects of shielding atmosphere composition on the mechanical properties and fracture mechanics parameters of weld metal.…”
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122
Numerical study of fracture arrest on snow cover
Published 2013-04-01“…Under the hypothesis of a perfectly brittle phenomenon, avalanche triggering can be investigated numerically by means of Linear Elastic Fracture Mechanics (LEFM). Since, however, the real phenomenon is intrinsically dynamical, another aspect to investigate is represented by dynamic fracture propagation. …”
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123
Numerical modelling of intergranular fracture in polycrystalline materials and grain size effects
Published 2013-04-01“…Using these data, fracture mechanics simulations are performed and the homogenized stress-strain curves of 2D representative volume elements (RVEs) are computed. …”
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124
Modified compact tension specimen for experiments on cement based materials: comparison of calibration curves from 2D and 3D numerical solutions
Published 2017-01-01“…The evaluation of fracture mechanics parameters of materials has become very important part of considering the condition of older constructions as well as properties of newly developed materials. …”
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125
Application of thermoelastic stress analysis for the experimental evaluation of the effective stress intensity factor
Published 2013-07-01“…In recent years, the advent of staring array detectors has made Thermoelastic Stress Analysis (TSA) a technique with considerable potential for fatigue and fracture mechanics applications. The technique is non-contacting and provides full field stress maps from the surface of cyclically loaded components. …”
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126
Shot Peening Effect on Fatigue Crack Repaired Weldments
Published 2017-01-01“…Fracture mechanics calculations are required to validate the safety level defined in design codes to prevent a fatigue failure. …”
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127
Grain kernel damage during threshing: a comprehensive review of theories and models
Published 2025-01-01“…These include contact theory, fracture mechanics models, discrete element modeling, and finite element analysis. …”
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128
Effect of inhomogeneous distribution of non-metallic inclusions on crack path deflection in G42CrMo4 steel at different loading rates
Published 2015-10-01“…Additionally, dynamic fracture mechanics tests in an instrumented Charpy impact-testing machine were performed. …”
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129
The Size Effect and Microstructure Changes of Granite after Heat Treatment
Published 2021-01-01“…The fracture toughness of two kinds of rocks was tested by fracture tests, and the results were analyzed by a nonlinear fracture mechanics model (SEL). At the same time, in order to understand the influence of high temperature on the mineral composition and microstructure of granite, XRD, optical microscope, and SEM were used to observe the mineral composition, microcracks, and fracture morphology of granite. …”
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130
Experimental Study on Vertical Propagation Behavior of Hydraulic Fracture Affected by Artificial Interlayer for Thick Oil Reservoirs
Published 2022-01-01“…Based on the theory of fracture mechanics, the stress intensity factor at fracture tip is built and it can consider key factors shown by experimental observations. …”
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131
A review of using thermoelasticity for structural integrity assessment
Published 2013-12-01“…The advances in the use of thermoelastic stress analysis (TSA) for fracture mechanics assessment are reviewed. The development of techniques to determine stress intensity factor is presented followed by the application of these techniques to fatigue crack growth, crack closure and the study of mixed mode cracks.…”
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132
STUDY ON THE SLOW CRACK GROWTH BEHAVIOR OF PE100 PIPE
Published 2019-01-01“…In addition, these experimental data were employed in extrapolating to the case of creep crack growth( CCG) on the basis of linear elastic fracture mechanics( LEFM). Afterwards,critical crack depth as well as corresponding stress intensity factor for pipes with circumferential crack were determined under service time 50 years.…”
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133
Modelling of fracture processes in laminate composite plates with embedded delamination
Published 2016-12-01“…Possibilities of fracture mechanics approaches using virtual crack closure technique as well as progressive failure analysis based on the failure criteria are demonstrated. …”
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134
Residual strength evaluation by DBEM for a cracked lap joint
Published 2016-02-01“…The model adopted for Stress Intensity Factors (SIFs) evaluation is based on the use of the Dual Boundary Element Method (DBEM) within the theoretical frame of Linear Elastic Fracture Mechanics (LEFM). The value of failure load was available from experiments, allowing a comparison with numerical results and consequent validation of the described procedure.…”
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135
Case studies in numerical simulation of crack trajectories in brittle materials
Published 2012-03-01“…Statistical Fracture Mechanics, formalism of few natural ideas is applied to simulation of cracktrajectories in brittle material. …”
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136
Modelling of fracture processes in laminate composite plates with embedded delamination
Published 2017-01-01“…Possibilities of fracture mechanics approaches using virtual crack closure technique as well as progressive failure analysis based on the failure criteria are demonstrated. …”
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137
Using acoustic emissions to enhance fracture toughness calculations for CCNBD marble specimens
Published 2017-04-01“…Rock fracture mechanics has been widely applied to blasting, hydraulic fracturing, mechanical fragmentation, rock slope analysis, geophysics, earthquake mechanics and many other science and technology fields. …”
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138
Risk based analysis of RHPP penstock structural integrity
Published 2020-07-01“…Risk based analysis of reverse hydro power plant penstock structural integrity is performed using fracture mechanics parameters. To assess its structural integrity, extensive testing of the full-scale prototype had been performed, including hydrostatic over-pressurizing, during the design phase. …”
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139
High temperature initiation and propagation of cracks in 12%Cr-steel turbine disks
Published 2013-09-01“…Creep Crack Growth (CCG) tests on CT specimens have been performed to define the proper fracture mechanics which describes the initiation of the crack propagation and the crack growth behaviour for the material at high temperature. …”
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140
Mechanical properties and statistical analysis of the Charpy impact test using the Weibull distribution in jute-polyester and glass-polyester composites
Published 2022-10-01“…By the Williams method based on the principle of linear elastic fracture mechanics, the impact toughness of the composites is deduced. …”
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