Results 111 to 120 of about 37,460 (323)

Microstructure and kinetic evolutions of multi-variants lamella in γ-TiAl alloys

open access: yesMaterials & Design
The D019-α2 / L10-γ alternate lamellae microstructure in TiAl alloys brings the superior mechanical property, the lamellae with multi-variant γ phase are key characteristic of morphology-property causality.
Zan Zhang   +6 more
doaj  

Intermetallic Electrocatalysts for Small‐Molecule Fuel Oxidation

open access: yesAdvanced Energy Materials, EarlyView.
Intermetallic compounds exhibit superior activity, durability, and CO tolerance, making them top‐tier catalysts for small‐molecule fuel cells. This review focuses on their synergy‐driven performance in hydrogen, formic acid, methanol, and ethanol oxidation reactions.
Qi Mai   +13 more
wiley   +1 more source

DIFFUSION PROCESSES IN NANOSCALE NaAuy FILM [PDF]

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2016
Alkali metal diffusion processes were studied in the semiconductor film NaAuy under the sodium flux modulation conditions deposited on the surface with the following thermal desorption.
M.V. Knatko, M.N. Lapushkin
doaj  

Analysis of the high-temperature dry sliding behavior of CoCrFeNiTi0.5Al x high-entropy alloys

open access: yesFriction, 2019
In this study, CoCrFeNiTi0.5Al x high-entropy alloys were produced by induction melting and their dry sliding wear behavior was examined at different temperatures.
Azmi Erdoğan   +2 more
doaj   +1 more source

Catalytic Approaches for CO2 Conversion to Value‐Added Products: An Overview of Life Cycle Assessment Studies

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
The catalytic conversion of CO2 into value‐added products provides an emerging strategy for reducing carbon emissions and improving environmental performance. This review compares different Life Cycle Assessment studies to evaluate the environmental impacts of CO2 conversion, focusing on the main challenges, technical limitations, and potential ...
Anastasia Pappa   +3 more
wiley   +1 more source

Measurement of Elastic Properties of Brittle Materials by Ultrasonic and Indentation Methods

open access: yesApplied Sciences, 2019
The measurements of acoustic properties of three brittle materials i.e., ITO (alkaline earth boro-aluminosilicate) glass, bulk metallic glass (BMG) and nickel-based superalloy (CM247LC) are conducted in this work to obtain various properties. The elastic
Shih-Jeh Wu, Pei-Chieh Chin, Hawking Liu
doaj   +1 more source

Supercapacitors: An Emerging Energy Storage System

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
This review explores the principles, advancements, and material innovations in supercapacitor technology, covering pseudocapacitors, double‐layer capacitors, electrolytes, and nanostructured materials like carbon nanotubes, MXenes, and graphene. It examines hybrid systems bridging capacitors and batteries, promising applications in wearable devices ...
Muhammad Faisal Iqbal   +7 more
wiley   +1 more source

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