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Gaps, challenges and possible solution for prediction of wheel–rail rolling contact fatigue crack initiation
The prediction of wheel/rail rolling contact fatigue (RCF) crack initiation during railway operations is an important task. Since RCF crack evolution...
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Prediction of crack initiation and propagation during fretting corrosion of novel Ti6Al4V specimens in saline and physiological environments
This research study presents a novel test fixture for tribocorrosion investigation in the internal dovetail slot of Ti6Al4V specimens. The...
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Crack growth based tooth root life prediction model—an influence quantity analysis
One of the key challenges of epicyclic gearboxes in turbo gearbox applications is the high number of load cycles reached by the gearbox components....
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Deep learning approach for predicting crack initiation position and size in a steam turbine blade using frequency response and model order reduction
This paper introduces a deep learning approach for accurately predicting the position and size of cracks in steam turbine blades using frequency...
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An Adaptive Crack Width Prediction for Flexural Steel Reinforced UHPC Beams
The crack pattern of steel reinforced ultrahigh performance concrete (UHPC) beam is usually characterized by many densely distributed fine cracks...
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Research on Fatigue Crack Propagation and Life Prediction Based on GRU Neural Network
The initiation and propagation of fatigue cracks will seriously affect the safety performance of structures, so it is the key to study the...
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3D crack initiation and propagation applied to metal forming processes
Numerical simulation of ductile fracture in the field of metal forming represents one of the most challenging tasks. Throughout the chain of...
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Investigating the Mechanism of Facet Formation and the Influence of Crack Initiation Size on a Cast Aluminum Alloy in Ultrasonic Fatigue Under Varied Humidity Environments
BackgroundExtensive research was conducted to analyze the ultrasonic fatigue behavior of ASGU-T64 cast aluminum alloy under different humidity...
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Analytical and experimental investigation on the distribution of solidification crack initiation sites throughout a laser spot weld
The objective of this this study is to investigate the distribution of crack initiation sites in the unsteady solidification conditions of pulsed...
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Effect of wear debris on fretting fatigue crack initiation
Both wear and fatigue occur in fretting condition, and they interact with one another during the whole process. Fretting fatigue is commonly analysed...
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Mixed Mode Crack Initiation and Propagation in Functionally Graded Materials: Experimental and Numerical Investigations
In this study, quasi-static fracture of cracked specimens made of functionally graded material is numerically investigated. As the main contribution...
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Experimental investigation of the strain rate effect on crack initiation and crack damage thresholds of hard rock under quasi-static compression
The crack closure stress σ cc , crack initiation stress σ ci and crack damage stress σ cd are important mechanical parameters to describe the brittle...
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Crack Growth Prediction Models for a Pre-defined Semi-elliptical Crack Embedded in a Cantilever Bar Using Supervised Machine Learning Algorithms
Any machine component or structure can fracture due to the presence of cracks. With the assistance of finite element tools, we can only dissect the...
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FEA based prediction of crack growth behavior of 304LN stainless steel cracked and healthy pi** elbows
In the present research work, a numerical methodology is demonstrated to predict the experimentally determined results of healthy and cracked pi**...
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Prediction of Fatigue Crack Growth Behavior Under Cold-Turbistan Spectrum Loads Using Variable Crack Closure Approach in GTM 720 Nickel Base Superalloy
In this investigation, the fatigue crack growth, FCG behavior of a nickel base superalloy GTM720 under a standard cold-TURBISTAN spectrum load...
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A methodology to predict thermal crack initiation region of tool for high-speed milling compacted graphite iron based on three-dimensional transient thermal stress field model
Compacted graphite iron (CGI) plays a key role in engine reliability and achieving high emission standards. However, it is a difficult-to-machine...
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Lifetime Evaluation of IGBTs Under PWM by a Physical Iterative Simulation Loop Based on the Crack Initiation and Propagation in Chip Solder Layer
Solder fatigue is quite important for the reliability of IGBTs under thermal cycling. In this work, a Finite Elements Analysis-Fatigue Damage...
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Crack growth behavior and failure prediction for a granite under compressive fatigue
The crack closure, propagation, recovery, and damage characteristics of a granite undergoing uniaxial and triaxial compressive cyclic loading were...
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Prediction of Initial Crack Propagation Direction of Dissimilar Friction Stir Welded T-Joint
In three decades of development, Friction Stir Welding (FSW) technology was commonly applied in many manufacturing fields. It is considered as a...
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Numerical and experimental identification of fatigue crack initiation sites in clinched joints
In this paper, a study based on experimental and numerical simulations is performed to analyze fatigue cracks in clinched joints. An experimental...
