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The Design of Hardened Case and Carburizing Process of Subway Gear Based on Spalling Fatigue
It is very important to design the suitable hardened case and carburizing-quenching process for gears. The hardened case was often determined by...
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Influence of Porosity on Ice Dynamic Tensile Behavior as Assessed by Spalling Tests
The impact of ice on structures is a strong concern, in particular for aeronautical or space crafts that are strongly damaged by the impact of...
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Wear Failure Analysis of Ball Bearings with Artificial Pits for Gas Turbines
The ingression of external contaminants probably causes spalling even severe failure, which may have significant effects on operation reliability of...
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Failure Investigation and Crack Characterization of Spalled Work Roll in Hot Strip Mill
In hot rolling mills, failure of work rolls is a major concern as it adversely affects mill operations and impacts production. These rolls fracture...
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A Shockless Plate-Impact Spalling Technique, Based on Wavy-Machined Flyer-Plates, to Evaluate the Strain-Rate Sensitivity of Ceramic Tensile Strength
Silicon carbide ceramics are widely used for armor protection due to their high compressive strength, high hardness and low density. In the present...
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Analysis of Tooth Root Crack Initiation, Propagation and Fracture Surface Based on Gear Bending Fatigue Test
Cracking from tooth root bending fatigue is the main form of tooth failure. The current research on root crack and fracture is based on analytical...
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Evaluation of dynamic tensile strength of concrete using lattice-based simulations of spalling tests
The mechanical properties and failure modes of concrete are affected by strain rate. Therefore, various experimental methods have been used to...
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Damage Mechanism of Ultra-thin Asphalt Overlay (UTAO) based on Discrete Element Method
Aiming to analyze the damage mechanism of UTAO from the perspective of meso-mechanical mechanism using discrete element method (DEM), we conducted...
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Structural characteristics and tribological properties of an ultrafine-grained Al–40Si–5Fe coating prepared by supersonic plasma spraying
AbstractHigh silicon aluminum alloy coatings (HSAACs) are characterized by high surface hardness and excellent wear resistance, and the fineness has...
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Interlaminar Bonding Performance of UHPC/SMA Based on Diagonal Shear Test
To evaluate various interlaminar bonding reinforcement techniques used for steel bridge decks, the UHPC surface was roughened with shot blasting...
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Spalling resistance of thermally grown oxide based on NiCoCrAlY(Ti) with different oxide peg sizes
NiCoCrAlY is usually used as the material to bond-coat in thermal barrier coating systems under high temperatures. Using NiCoCrAlY and adding...
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Evaluation of wear resistance of laminated FeAl/Fe3Al/Fe(Al) coatings
It is shown that in FeAl/Fe 3 Al/Fe(Al) coatings, formed on a steel substrate using explosion welding and subsequent heat treatment, the main failure...
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Bond Behaviour Between Steel Rebars and Concrete Under Elevated Temperatures-Eccentric Pullout Test
Bond behaviour between rebar and concrete is studied at the elevated temperature of 20,100,200,300,400 and 500 ℃. The parameters considered are...
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Damage Analysis of Switch Rail Welding by Examining Hardness and Microstructural Features: A Case Study of Addis Ababa Light Rail Transit
The failure of railway tracks is an unavoidable phenomenon that affects the operation intensively. Previously different failure assessments and...
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Effect of Gamma Irradiation Dose on the Interface and Tribological Properties of Acrylonitrile–Butadiene–Styrene
Acrylonitrile–butadiene–styrene (ABS) resins may undergo varying degrees of degradation in an irradiated environment, which may affect their...
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Wear Behavior of Hot Rolled 400 HB Grade Martensite-Ferrite Duplex Steel under Abrasion-Adhesion Condition
Hot rolled 400 HB grade martensite-ferrite duplex steel is a new type of wear-resistant material which is used in the manufacture of heavy-haul...
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The Boriding Process for Enhancing the Surface Properties of High-Temperature Metallic Materials
High-temperature metallic materials operate in environments with a broad spectrum of mechanical and chemical conditions, originating typical failures...
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Single Bunch X-Ray Phase-Contrast Imaging of Dynamic Tensile Failure in Geomaterials
Dynamic tensile fracturing of two quasi-brittle geomaterials during high strain rate spalling as observed in situ utilizing ultra-high speed single...
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Ablation behavior of Ta, TaC and Ta/TaC coatings on graphite under high-energy laser irradiation
To enhance the ablation resistance of graphite, double-glow plasma surface metallurgy technology was used to efficiently prepare Ta, TaC and Ta/TaC...
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Performance Evaluation of High-Chromium White Cast Irons Dual-Reinforced by Niobium Carbides in the Inner Circumference Abrasion Test with Different Abrasive Rock Types
An avenue for wear performance enhancement of high-chromium white cast irons (WCIs) is to further reinforce the composite material through the...
