Grain boundary diffusion in severely deformed Al-based alloy
, 2017 Grain boundary diffusion in severely deformed Al-based AA5024 alloy is investigated. Different states are prepared by combination of equal channel angular processing and heat treatments, with the radioisotope $^{57}$Co being employed as a sensitive probe
Buranova, Yulia +7 more
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Microstructure and oxide particle stability in a novel ODS γ-TiAl alloy processed by spark plasma sintering and laser additive manufacturing [PDF]
, 2017 In this work, a novel oxide dispersion strengthened titanium aluminide alloy (Ti-45Al-3Nb-
Barras, J +10 more
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MetalsThis study investigates the presence and distribution of second phases in continuous rheo-extrusion (CRE)-processed Al-La-Ti-B grain refiners and their effect on refining A356 Al-Si alloy.
Qing He +11 more
doaj +1 more source
Variation in Carbon Content During the Melting of γ-TiAl in a Graphite Crucible
CrystalsLiquid γ-TiAl alloy was prepared by vacuum induction melting within graphite crucibles, then cast using a centrifugal technique. In this process, the degree of superheat (ΔT)—defined as the temperature above the melting point—was carefully controlled ...
Byungil Kang +3 more
doaj +1 more source
Cost benefit study of advanced materials technology for aircraft turbine engines [PDF]
The cost/benefits of eight advanced materials technologies were evaluated for two aircraft missions. The overall study was based on a time frame of commercial engine use of the advanced material technologies by 1985.
Hillery, R. V., Johnston, R. P.
core +1 more source
Carbon/Silicon Heterojunction Solar Cells: Status and Perspectives
Carbon Energy, EarlyView.This review examines carbon/silicon heterojunctions and highlights the advantages of carbon materials in terms of cost‐effectiveness, low‐temperature processing, and scalability. It adopts a comprehensive approach to bridge the gap between laboratory‐scale innovations and industrial‐scale applications, incorporating current state‐of‐the‐art findings ...
Randi Azmi +6 more
wiley +1 more source
Application of superalloy powder metallurgy for aircraft engines [PDF]
In the last decade, Government/Industry programs have advanced powder metallurgy-near-net-shape technology to permit the use of hot isostatic pressed (HIP) turbine disks in the commercial aircraft fleet.
Dreshfield, R. L., Miner, R. V., Jr.
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Structural and Functional Properties of Ingredient Composition in Kenkey Preparation: A Review
ChemFoodChem, EarlyView.This review synthesizes three decades of research on kenkey, a fermented maize staple of West Africa. Examining the structural, functional, and nutritional properties that emerge from traditional fermentation and thermal processing, and identifying priorities for future research toward quality standardization and commercial development. ABSTRACT Kenkey,
Afia Sakyiwaa Amponsah
wiley +1 more source
Seismic analysis and design of tunnels within fault ground: A review
Deep Underground Science and Engineering, EarlyView.The research methods of seismic response of tunnels within fault ground, including field investigations, analytical solutions, physical experiments, and numerical simulations, and seismic countermeasures are discussed. The present study examines the shortcomings and limitations of the current research and design, and puts forward proposals for future ...
Xingda Wang +6 more
wiley +1 more source
Geophysical Monograph Series, Page 263-304., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jessica H. Whiteside +3 more
wiley +1 more source