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Grain-Boundary Diffusion of 57Сo in Niobium
Abstract —The grain-boundary diffusion of Co in Nb has been studied by a layer-by-layer radiometric analysis in the temperature range of 723–873 K....
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Grain-Boundary Diffusion of 57Со in Ultrafine-Grained Niobium after Severe Plastic Deformation
Abstract—The grain-boundary diffusion of Co in ultrafine-grained Nb subjected to severe plastic deformation by high pressure torsion was studied by...
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Thermal stability and diffusion barrier performance of amorphous Ni-P layer at Sn/Ni-P/Cu interface
As chip integration increases and micro-bump size reduces in 3D integrated circuits (ICs), issues with service reliability due to electromigration...
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Point-defect avalanches mediate grain boundary diffusion
Grain boundary diffusion in polycrystalline materials is a physical phenomenon of great fundamental interest and practical significance. Although...
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Modeling the Effect of Diffusion Layer and Interface on the Flow Stress for a Ni/Al Laminate Prepared by Vacuum Hot Pressing
During the forming-reaction integrated process of NiAl alloy thin-walled components, Ni/Al laminates exhibit a complicated deformation behavior. In...
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Macroscopically heterogeneous grain boundary diffusion process for efficient coercivity enhancement of Nd–Fe–B magnets
Grain boundary diffusion (GBD) is an effective process to enhance coercivity for Nd–Fe–B magnets with relatively low consumption of expensive heavy...
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Influence of Tool Steel Chemical Composition on Structure and Phase Composition of a Diffusion Layer after Microarc Boriding
The effect of alloy tool steel chemical composition on structure and phase composition of a diffusion layer after microarc boriding is studied....
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Microstructure and wear resistance of laser cladding NiCrAlY/TC4 composite coatings with in-situ synthesized transition layer by modulating thermal boundary in nitrogen atmosphere
To improve the wear resistance of TC4 and mitigate surface cracking defects in laser cladding NiCrAlY/TC4 composite coatings, thermal boundary...
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Grain-Boundary Diffusion of 57Co in Ultrafine Nickel after Severe Plastic Deformation
AbstractThe grain-boundary-diffusion coefficient of Co in ultrafine Ni subjected to severe plastic deformation by high-pressure torsion was...
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Mechanical Properties and Formation Mechanism of Surface Hard Nanocrystalline Carbon Diffusion Layer on 18Cr2Ni4WA Steel Induced by Supersonic Fine Particle Bombarding
Nanostructured carbon diffusion layers were produced on the 18Cr2Ni4WA low carbon steel using supersonic fine particles bombarding (SFPB) with...
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Mechanism of Grain-Boundary Diffusion and Grain-Boundary Segregation of 57Co in Polycrystalline Nb
AbstractThe Mössbauer emission spectroscopy has been used to study the mechanisms of grain-boundary diffusion and grain-boundary segregation of 57 Co...
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An Innovative Method to Calculate the Boundary Layer Thickness of the Gas–Slag Interface
An innovative method to calculate the thickness of gas–slag boundary layer is proposed in CaO–SiO 2 –10 wt pct MnO at 1873 K. The samples were kept...
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Suppression of Coating Layer Crack by Diffusion Heat Treatment in Al-Si Coated HPF Steels
The effect of diffusion heat treatment (DHT) on the cracking of the coating layer in Al-Si coated hot press forming (HPF) steel was investigated....
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Reaction–diffusion bonding of CVD SiC using CrAl thin coating layer
A new reaction–diffusion bonding method using a CrAl thin coating interlayer was proposed for joining chemical vapor deposition (CVD) SiC. The 180 nm...
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Modeling of the Thermodeformation Stressed State in the Diffusion Joint Formed through a Powder Layer
AbstractModel samples of a steel–powder layer–steel layered composite material are fabricated. The microstructure and phase composition of the...
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Formation Mechanism of Transition Layer/Base Layer Weld Interface of S32304/Q390C Composite Material
S32304/Q390C welded joints with two kinds of transition layer weld morphologies were prepared by the same welding method and different welding...
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A multiscale ion diffusion framework sheds light on the diffusion–stability–hysteresis nexus in metal halide perovskites
Stability and current–voltage hysteresis stand as major obstacles to the commercialization of metal halide perovskites. Both phenomena have been...
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Formation Mechanism of Transition Layer Weld/Substrate Interface of S32304/Q390C Composite Material
S32304/Q390C welded joints with two kinds of transition layer weld shapes were prepared by the same welding method and different welding parameters....
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Characterization of Hydrogen Diffusion in Offshore Steel S420G2+M Multi-layer Submerged Arc Welded Joint
As onshore installation capacity is limited, the increase in the number of offshore wind turbines (OWT) is a major goal. In that connection, the OWTs...
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Advances in Diffusion Barrier Coatings for High-Temperature Applications
Diffusion barrier coating (DBC) systems on heat resistant alloys consist of a multi-layer structure: an outer Al-reservoir layer and an inner...
