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Article
The mechanisms of γ (fcc) → ε (hcp) → α′ (bcc) and direct γ (fcc) → α′ (bcc) martensitic transformation in a gradient austenitic stainless steel
Strain-induced martensitic transformation (SIMT) of face-centered cubic austenite (γ-fcc) to body-centered cubic structured martensite (α′-bcc) plays a crucial role in the controlling of the microstructure and...
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Article
Correlation of orientation relationships and strain-induced martensitic transformation sequences in a gradient austenitic stainless steel
Orientation relationships (ORs) play a crucial role in the phase transformation of face-centered cubic austenite (γ-fcc) to body-centered cubic martensite (α′-bcc) upon plastic deformation. So far, ORs between γ-...
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Article
Strain-Induced Phase Transformation and Nanocrystallization of 301 Metastable Stainless Steel Upon Ultrasonic Shot Peening
The following study investigated the strain-induced phase transformation in metastable austenitic 301 stainless steels via an ultrasonic shot peening treatment (USP) for 5 to 30 minutes. Following the USP, the mi...
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Article
Defect-induced visible-light emission in GaN nanocrystals synthesized through a solution-based route
In this study, nanocrystalline GaN was synthesized through a metathesis reaction at room temperature. The microstructure of the GaN was examined by using X-ray diffraction (XRD), and transmission electron micr...
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Article
Microstructural characteristization of InGaN/GaN epitaxial Layers with Pt nanoclusters grown by using MOCVD on c-plane sapphire substrates
Transmission electron microscopy (TEM) was used to survey the microstructures of InGaN/GaN epitaxial layers deposited on c-plane sapphire substrates by using the metalorganic chemical vapor deposition (MOCVD) ...
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Article
Tailoring of optoelectronic properties of InAs/GaAs quantum dot nanosystems by strain control
Full three-dimensional numerical analysis based on continuum elasticity and model solid theory has been carried out to evaluate some possible means of tailoring the optoelectronic properties of InAs/GaAs quant...
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Article
Quantitative analysis of void morphology in Fe-40 wt.%Ni alloy by electron holography
In this paper, we briefly report on a detailed investigation of the morphology of voids in the Fe-40 wt.%Ni alloy using the electron holography technique. By analyzing the phase shift across the voids, we coul...
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Article
Thickness effect on interdiffusion of Fe/Pt multilayers
The effect of thickness on interdiffusion in Fe/Pt multilayer thin films was studied using rapid thermal annealing. [Fe(1 nm)/Pt(1 nm)]20 and [Fe(3 nm)/Pt(3 nm)]10 multilayers were prepared via DC magnetron sputt...
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Article
Effect of Laser Power on Microstructure and Wear Resistance of WCP/Ni Cermet Coating
Laser cladding nickel-based alloy coating (Ni60) and nickel-based composite coating doped with WC particles by 35% (WCP/Ni) were produced on the low-carbon steel substrate by CO2 continuous wave laser with power ...
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Article
Property improvement of stainless-steel-base surface composites fabricated by high-energy electron-beam irradiation
This is a study on the fabrication of surface composites of SiC, TiC particulates, and AISI 304 substrate by high voltage electron beam irradiation. Using CaF2 powders as flux, two kinds of surface composites wer...
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Article
Interfacial microstructure and intermetallics developed in the interface between in solders and Au/Ni/Ti thin films during reflow process
Intermetallic phases and microstructures formed between In solder and Au/Ni/Ti thin films during reflow were characterized using x-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission el...
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Article
Microstructure of TiB2/carbon steel surface-alloyed materials fabricated by high-energy electron beam irradiation
The processing and the microstructural analysis of TiB2/carbon steel surface-alloyed materials using the irradiation of a high-energy electron beam were investigated in this study. The mixtures of TiB2 powders an...
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Article
Fabrication Conditions, Microstructures and Mechanical Properties of P/M Processed 2XXX Al-SiCW Composites
The powder metallurgy fabrication of 2XXX Al composites reinforced with SiC whiskers was studied by investigating the evolution of microstructure and its relation to the mechanical properties. In this study, S...
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Article
The effect of consolidation temperature on microstructure and mechanical properties in powder metallurgy-processed 2XXX aluminum alloy composites reinforced with SiC particulates
The effects of consolidation temperature on the development of microstructure and resulting mechanical properties of 2XXX aluminum composites were studied in an effort to fabricate composites with enhanced pro...
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Article
Correlation of microstructure and thermal fatigue property of three work rolls
This is a study of the thermal fatigue property in three centrifugally cast work rolls, i.e., a nickel-grain cast-iron roll (Ni-grain roll), a high-chromium cast-iron roll (Hi-Cr roll), and a high-speed steel rol...
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Article
High-Resolution STEM Observations of Nanometer-Sized Cavities in Rapidly Solidified 304 Stainless Steel
Based upon coarsening studies of larger cavities (8 nm) in a rapidly solidified 304SS, it was determined that there should be a large number of very small cavities (1-2 nm) in these materials that are too smal...
