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Hierarchical Characteristics of Hydrogen-Assisted Crack Growth and Microstructural Strain Evolution in Tempered Martensitic Steels: Case of Quasi-cleavage Fracture
The local plastic strain evolution associated with crack growth in hydrogen-assisted quasi-cleavage fracture was investigated using tempered lath...
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Cleavage fracture micromechanisms in thick-section quenched and tempered S690 high-strength steels
For structural assessment and optimal design of thick-section high-strength steels in applications under harsh service conditions, it is essential to...
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Formation of basal slip-induced cleavage microcracks in a peak-aged cast Mg–Gd–Y alloy deformed in tension
In this study, the room temperature microscopic fracture behavior in a peak-aged cast Mg–Gd–Y alloy deformed in tension was investigated. Interrupted...
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Effect of Central Multiphase Microstructure of Thick Plates on Work Hardening and Crack Propagation
The effect of multiphase microstructure in the center segregation zones (CSZ) of high-strength steel thick plates on work hardening characteristics...
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Influence of Hydrogen on Fatigue Crack Growth in 7075 Aluminum Alloy
Fatigue crack growth (FCG) behavior of 7075 T6 aluminum alloy was studied using constant stress intensity factor range (ΔK) envelopes in air and...
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Crack-Tip Shielding by Swelling in Silica Proved from Measurement of Crack-Terminating Angles in DCDC-Tests
AbstractCracks terminating at free surfaces are affected by local stresses in the surface region. Under residual compression, the crack front must...
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Tensile and Fatigue Strength, Fatigue Crack Propagation Rate, and Fracture Behavior of CaO-Added AM30 Alloy
This work investigated the tensile and fatigue strength, fatigue crack propagation rate and corresponding mechanism, and fracture behavior (under the...
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Pit-to-crack mechanisms of 316LN stainless steel reinforcement in alkaline solution influenced by strain induced martensite
The pit-to-crack transition of AISI 316LN stainless steel reinforcement exposed to stress corrosion cracking (SCC) in chlorides contaminated alkaline...
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Inter-granular and Intra-granular Crack Behavior in Mg Bicrystal of [\(1\overline{2 }10\)] Symmetric Tilt Grain Boundary: LEFM Prediction and Atomic Simulation
The grain boundary (GB) influences crack propagation, and the intrinsic brittleness/ductility of GB may be related to the interfacial structures....
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Crack Growth Behavior and Mechanism of X90 Steel in High pH Soil Environment under Different Applied Potentials
In this work, the stress corrosion cracking (SCC) behavior of X90 steel was investigated at various cathodic protection potentials by slow strain...
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Metallurgical Analysis of Crack in AISI 446 Steel Solenoid Bobbin of Latchable Series Redundant Valve (LSRV)
The propellant flow control valves, also referred to as latchable series redundant valves (LSRV’s) are essentially used in satellite control systems....
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Experimental study on fatigue crack growth behavior and fracture toughness of SA508-III steel for nuclear reactor pressure vessel
Fatigue crack growth (FCG) tests under constant amplitude loading and fracture toughness tests of SA508-III steel were performed in this work. The...
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Crack propagation resistance of TiAl alloys
In their temperature window of application, TiAl alloys typically fail in a semi-brittle manner. For this material class, the Griffith concept,...
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Effect of Axial Misalignment on Fatigue Properties and Fatigue Crack Growth Rate of Plasma Arc Butt Welded Joints
This paper investigated the effect of axial misalignment on the fatigue strength and fatigue crack propagation rate of butt weld joints made of...
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Fatigue Crack Initiation and Propagation Dominated by Crystallographic Factors in TiB/near α-Ti Composite
Discontinuously reinforced titanium matrix composites (DRTMCs) with a network structure have been extensively researched due to their superior...
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Effect of tilt and twist angles on the cleavage crack propagation in ferritic steel
The cleavage crack deviation at grain boundary has been studied in detail in a ferritic steel. The crystallographic orientations of the neighboring...
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Cleavage-dissolution assisted stress corrosion cracking under elastic loads
As a significant cause of disastrous accidents, stress corrosion cracking (SCC) under elastic loads was investigated in type 316 L single-crystal...
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A Study on Brittle Cleavage Fracture on Ti-Mo Nano-precipitation-Strengthened High-Strength Steel
Hot-rolled high-strength steel having ferrite matrix and nano-size precipitation possesses a good combination of strength and ductility, and it finds...
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Effect of Ultrasonic Impact on Fatigue Crack Growth Rate of Titanium Alloy Welding Joints
In this study, the effect of ultrasonic impact treatment (UIT) on the fatigue crack growth (FCG) rate of titanium alloy laser-welded joints was...
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Investigation of Fatigue Small Crack Propagation Behavior in Superalloy FGH96 under Different Stress Ratios
The characteristic analysis of fatigue small crack propagation behavior of superalloy FGH96 in a plane stress state was carried out based on a series...
