Results 131 to 140 of about 339,266 (327)

An Atomic‐Scale View at γ’‐Fe4N as Hydrogen Barrier Material

open access: yesAdvanced Materials Interfaces, EarlyView.
This study demonstrates the efficacy of γ’‐Fe4N nitride layers, formed via gas nitriding, as hydrogen permeation barriers. Advanced characterization, hydrogen permeation analysis, and DFT calculations reveal a 20 fold reduction in hydrogen diffusion at room temperature.
Aleksander Albrecht   +11 more
wiley   +1 more source

Study of the integration of wind tunnel and computational methods for aerodynamic configurations [PDF]

open access: yes
A study was conducted to determine the effectiveness of using a low-order panel code to estimate wind tunnel wall corrections. The corrections were found by two computations.
Ashby, Dale L., Browne, Lindsey E.
core   +1 more source

Electrochemically‐Assisted Low Power Density Laser Writing on Stainless Steel via Enrichment of Chromium Oxides

open access: yesAdvanced Materials Interfaces, EarlyView.
This research describes the invention of a new method to color the surface of stainless steel with brown to blue hues at micron resolution using a low‐power laser. This method is safer and lower cost than previous methods. The study determines that the main coloring compound is chromium oxide.
Zechariah J. Pfaffenberger   +4 more
wiley   +1 more source

Optimum design of structures of composite materials in response to aerodynamic noise and noise transmission [PDF]

open access: yes
Elastic wave propagation and attenuation in a model fiber matrix was investigated. Damping characteristics in graphite epoxy composite materials were measured.
Tsui, C. Y., Yang, J. C. S.
core   +1 more source

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