Lüders band
View article: The effects of H blistering and ELMs on the thermal fatigue cracking of W by strikepoint sweeping
The effects of H blistering and ELMs on the thermal fatigue cracking of W by strikepoint sweeping Open
Cyclic thermal loads imposed on a W divertor by strikepoint sweeping may induce low-cycle thermal fatigue cracking of its plasma-facing surfaces. This cracking may be accelerated by plasma-material interactions such as H implantation, blis…
View article: The effects of H blistering and ELMs on the thermal fatigue cracking of W by strikepoint sweeping
The effects of H blistering and ELMs on the thermal fatigue cracking of W by strikepoint sweeping Open
Cyclic thermal loads imposed on a W divertor by strikepoint sweeping may induce low-cycle thermal fatigue cracking of its plasma-facing surfaces. This cracking may be accelerated by plasma-material interactions such as H implantation, blis…
View article: Warm rolling combined with rare earth yttrium segregation induces secondary recrystallization in strip-cast Fe-3%Si grain-oriented silicon steel
Warm rolling combined with rare earth yttrium segregation induces secondary recrystallization in strip-cast Fe-3%Si grain-oriented silicon steel Open
The effect of warm-rolling on the microstructure, texture, and magnetic properties of ultra-low carbon yttrium (Y) -doped grain-oriented (Y-GO) Fe-3%Si steel as-cast strips were systematically investigated. Rare-earth Y atoms interact with…
View article: Effect of Nitrogen Content on the Cavitation Erosion Resistance of 316LN Stainless Steel
Effect of Nitrogen Content on the Cavitation Erosion Resistance of 316LN Stainless Steel Open
Cavitation erosion is a predominant failure mode of austenitic stainless steels in corrosive fluid environments, severely limiting their durability in nuclear piping and hydraulic components. In this study, five 316LN steels with 0.008–0.3…
View article: Experimental Study on the Effects of c-axis Orientation and Strain Rate on the Plastic Deformation and Failure of Ice Single Crystals
Experimental Study on the Effects of c-axis Orientation and Strain Rate on the Plastic Deformation and Failure of Ice Single Crystals Open
Diametrical compression tests were performed on cylindrical ice single crystals with typical c -axis orientations under nominally constant strain rates. Strain evolution was tracked using digital image correlation, and crack morphology was…
View article: Investigation of the Deformation Behavior and Microstructural Evolution in Titanium‐Steel Clad Plates Undergoing In Situ Tensile Testing
Investigation of the Deformation Behavior and Microstructural Evolution in Titanium‐Steel Clad Plates Undergoing In Situ Tensile Testing Open
This study employs in‐situ tensile testing combined with scanning electron microscopy (SEM) and electron backscatter diffraction (EBSD) to investigate the deformation behavior of as‐hot‐rolled and 550 °C‐annealed TA2/Q345 clad plates. Brit…
View article: Microscopic plastic deformation in Ti2AlNb alloy micro-pillars: An <i>in situ</i> SEM study
Microscopic plastic deformation in Ti2AlNb alloy micro-pillars: An <i>in situ</i> SEM study Open
Ti2AlNb alloys have attracted significant attention due to their excellent mechanical properties during the application in high-temperature environments. However, due to the significant experimental difficulties, the deformation behavior o…
View article: Multiscale characterization of Lüders band propagation in ferritic steel using digital image correlation with multiple microscopy techniques
Multiscale characterization of Lüders band propagation in ferritic steel using digital image correlation with multiple microscopy techniques Open
Lüders band propagation is a key phenomenon linked to the characteristic yield drop and discontinuous yielding in ferritic steels. This study presents a comprehensive multiscale analysis of Lüders band propagation in ultra-low-carbon ferri…
View article: Ultra-High Strength and Specific Strength in Ti61Al16Cr10Nb8V5 Multi-Principal Element Alloy: Quasi-Static and Dynamic Deformation and Fracture Mechanisms
Ultra-High Strength and Specific Strength in Ti61Al16Cr10Nb8V5 Multi-Principal Element Alloy: Quasi-Static and Dynamic Deformation and Fracture Mechanisms Open
This study investigates the deformation and fracture mechanisms of a Ti61Al16Cr10Nb8V5 multi-principal element alloy (Ti61V5 alloy) under quasi-static and dynamic compression. The alloy comprises an equiaxed BCC matrix (~35 μm) with unifor…
View article: DislocationMultijunction-Driven Plasticity in HfNbTiZrHigh-Entropy Alloys
DislocationMultijunction-Driven Plasticity in HfNbTiZrHigh-Entropy Alloys Open
Refractory high-entropy-alloys (HEAs) have emerged as promising structural materials for extreme environments, yet their practical application of body-centered-cubic (BCC)-HEAs is significantly hindered by the persistent deficiency in room…
View article: DislocationMultijunction-Driven Plasticity in HfNbTiZrHigh-Entropy Alloys
DislocationMultijunction-Driven Plasticity in HfNbTiZrHigh-Entropy Alloys Open
Refractory high-entropy-alloys (HEAs) have emerged as promising structural materials for extreme environments, yet their practical application of body-centered-cubic (BCC)-HEAs is significantly hindered by the persistent deficiency in room…
View article: DislocationMultijunction-Driven Plasticity in HfNbTiZrHigh-Entropy Alloys
DislocationMultijunction-Driven Plasticity in HfNbTiZrHigh-Entropy Alloys Open
Refractory high-entropy-alloys (HEAs) have emerged as promising structural materials for extreme environments, yet their practical application of body-centered-cubic (BCC)-HEAs is significantly hindered by the persistent deficiency in room…
View article: Effect of plasticity on creep deformation in type 316h stainless steel
Effect of plasticity on creep deformation in type 316h stainless steel Open
The creep life and deformation behaviour of high-temperature steels can be significantly affected by the prior plastic loading. This effect is partly due to the generation of intergranular strains from the grain-scale elastic and plastic a…
View article: Étude des interactions entre les bandes de glissement et les joints de grains par mesures de champs à l’échelle de la microstructure
Étude des interactions entre les bandes de glissement et les joints de grains par mesures de champs à l’échelle de la microstructure Open
Titanium α+β alloys are extensively used in the aerospace industry. The occasional presence of microtextured regions, also called macrozones, can lead to premature formation of slip bands and accelerated crack propagation, thereby signific…
View article: Divergent evolution of slip banding in CrCoNi alloys
Divergent evolution of slip banding in CrCoNi alloys Open
Metallic materials under high stress often exhibit deformation localization, manifesting as slip banding. Over seven decades ago, Frank and Read introduced the well-known model of dislocation multiplication at a source, explaining slip ban…
View article: Towards Understanding the Effect of Loading Direction on Fatigue Crack Behavior in Mg‐<scp>3Al</scp>‐Zn Magnesium Alloy
Towards Understanding the Effect of Loading Direction on Fatigue Crack Behavior in Mg‐<span>3Al</span>‐Zn Magnesium Alloy Open
As the lightest structural metal material, magnesium alloy is increasingly widely used in aerospace, rail transportation and other fields. However, during its service, the action of alternating loads often induces fatigue fracture damage, …
View article: Damage Mechanism Study of Tc17 Titanium Alloy During High-Cycle Fatigue Crack Initiation and Propagation
Damage Mechanism Study of Tc17 Titanium Alloy During High-Cycle Fatigue Crack Initiation and Propagation Open
View article: Crystal plasticity simulations of slip, twinning, and the effect of notch on deformation of single-crystal austenitic manganese (Hadfield) steel
Crystal plasticity simulations of slip, twinning, and the effect of notch on deformation of single-crystal austenitic manganese (Hadfield) steel Open
This dataset contains data obtained along research on deconvoluting the interaction of slip, twinning, and notch on the deformation response of single crystals of an austenitic manganese (Hadfield) steel using detailed finite element simul…
View article: In-situ multi-scale deformation behaviors of Portevin-Le Chatelier bands in Al-Mg-Sc-Zr alloys
In-situ multi-scale deformation behaviors of Portevin-Le Chatelier bands in Al-Mg-Sc-Zr alloys Open
This study investigates the multi-scale deformation behaviors of Portevin–Le Chatelier (PLC) bands in an Al-Mg-Sc-Zr alloy using in-situ scanning electron microscopy (SEM) tensile testing combined with multi-scale digital image correlation…
View article: Understanding the Heterogeneous Slip Activation at the Sub-Grain Scale Under High Cycle Fatigue in a Near-Alpha Titanium Alloy: Accurate Identification and Quantification of Slip Systems via Nanoscale Strain Mapping
Understanding the Heterogeneous Slip Activation at the Sub-Grain Scale Under High Cycle Fatigue in a Near-Alpha Titanium Alloy: Accurate Identification and Quantification of Slip Systems via Nanoscale Strain Mapping Open
View article: In-situ multi-scale deformation behaviors of Portevin-Le Chatelier bands in Al-Mg-Sc-Zr alloys
In-situ multi-scale deformation behaviors of Portevin-Le Chatelier bands in Al-Mg-Sc-Zr alloys Open
This study investigates the multi-scale deformation behaviors of Portevin–Le Chatelier (PLC) bands in an Al-Mg-Sc-Zr alloy using in-situ scanning electron microscopy (SEM) tensile testing combined with multi-scale digital image correlation…
View article: Multicale study of the fatigue life of AlSi10Mg material produced by laser powder bed fusion (LPBF) method : experimental and computational
Multicale study of the fatigue life of AlSi10Mg material produced by laser powder bed fusion (LPBF) method : experimental and computational Open
This study investigates the fatigue life of AlSi10Mg alloy produced by laser powder bed fusion (LPBF) using experimental and multiscale modeling methods. A micromodel developed based on EBSD and SEM data simulates fatigue microcrack nuclea…
View article: Deformation Properties of Thermally Aged E308L Stainless Steel During Tensile Test with Carbide Effects
Deformation Properties of Thermally Aged E308L Stainless Steel During Tensile Test with Carbide Effects Open
Microstructure and deformation properties of both unaged and aged cladding material were studied at 400 °C for 10,000 h. The results indicated that carbide formation occurred in the cladding material, while thermal aging treatment resulted…
View article: Modeling and Simulation of Fatigue Crack Initiation Process Based on Field Theory of Multiscale Plasticity (FTMP): Part II: Modeling Vacancy Formation and Coupling with Diffusion Analysis
Modeling and Simulation of Fatigue Crack Initiation Process Based on Field Theory of Multiscale Plasticity (FTMP): Part II: Modeling Vacancy Formation and Coupling with Diffusion Analysis Open
Cyclic straining simulations using incompatibility-incorporated crystal plasticity-FEM, which exhibit PSB ladder structure evolutions as detailed in Part I, are coupled with diffusion analyses of produced vacancies. A new vacancy source mo…
View article: Dislocation Evolution in Cyclic‐Loaded Cu Nanopillars with Different Configurations
Dislocation Evolution in Cyclic‐Loaded Cu Nanopillars with Different Configurations Open
Small‐sized metals generally exhibit unusual deformation responses subjected to cyclic loading, since their limited volume cannot effectively accommodate micro‐sized dislocation patterns typically found in their bulk counterparts. Here, th…
View article: Comparison on Hysteresis Loops and Dislocation Configurations in Fatigued Face-Centered Cubic Single Crystals
Comparison on Hysteresis Loops and Dislocation Configurations in Fatigued Face-Centered Cubic Single Crystals Open
The aggregation and evolution of dislocations form different configurations, which are the preferred locations for fatigue crack initiation. To analyze the spatial distribution of the same dislocation configuration and the resulting config…
View article: Effect of coating-substrate microstructure on nucleation and growth of surface microcracks in a PtAl-coated Ni-based SX superalloy with sheet specimens during HCF at 900 °C
Effect of coating-substrate microstructure on nucleation and growth of surface microcracks in a PtAl-coated Ni-based SX superalloy with sheet specimens during HCF at 900 °C Open
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View article: The Evolution of Surfaces on Medium-Carbon Steel for Fatigue Life Estimations
The Evolution of Surfaces on Medium-Carbon Steel for Fatigue Life Estimations Open
Early in fatigue life, fatigue cracks are often initiated at persistent slip bands (PSBs), which play the main role in surface evolution when the components are subjected to cyclic loading. Therefore, this paper aims to study the behavior …
View article: The Overload Effect on the Crack Tip Damage Mechanism in a 7075 Aluminum Alloy
The Overload Effect on the Crack Tip Damage Mechanism in a 7075 Aluminum Alloy Open
In the serviced components of a 7075 aluminum alloy, the propagation of fatigue crack can be retarded because of the overload effect; however, the corresponding retardation mechanisms are complex. To provide further insights into the retar…
View article: Hydrogen induced activation of cross slip in Ni-based single crystal superalloy
Hydrogen induced activation of cross slip in Ni-based single crystal superalloy Open
Alteration of the deformation behavior induced by hydrogen precharging was comparatively evaluated for a Ni-based single-crystal superalloy exhibiting Lüders band deformation. For uniform hydrogen distribution along the depth, the gaseous …