Results 121 to 130 of about 66,971 (310)
FOD impact testing of composite fan blades [PDF]
The results of impact tests on large, fiber composite fan blades for aircraft turbofan engine applications are discussed. Solid composite blades of two different sizes and designs were tested. Both graphite/epoxy and boron/epoxy were evaluated.
Johns, R. H.
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High-temperature Adhesive Development and Evaluation [PDF]
, 1985 High-temperature adhesive systems are evaluated for short and long-term stability at temperatures ranging from 232C to 427C. The resins selected for characterization include: NASA Langley developed polyphenylquinoxaline (PPQ), and commercially available ...
Hale, J. N., Hendricks, C. L.
core +1 more source
Degradation Mechanism of Phosphate‐Based Li‐NASICON Conductors in Alkaline Environment
Advanced Energy Materials, Volume 15, Issue 11, March 18, 2025.The presence of water in the cathode of a Li‐air battery shifts reactions to produce LiOH, creating a corrosive, alkaline environment. This study investigates the alkaline stability of the common Li‐NASICON solid‐state conductor chemistries through a systematic experimental study combined with computational modeling to understand the degradation ...
Benjamin X. Lam +3 more
wiley +1 more source
, 2017 We report on the realization of a sputter deposition system for the in situ- and in operando-use in polarized neutron reflectometry experiments. Starting with the scientific requirements, which define the general design considerations, the external ...
Böni, Peter +9 more
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Deciphering Intricacies in Directional CO2 Conversion From Electrolysis to CO2 Batteries
Advanced Energy Materials, EarlyView.This review will delve into the inherent connections and distinctions of CO2‐directed conversion in ECO2RR and CO2 batteries, in terms of product types, catalyst selection, catalytic mechanisms, and electrochemical performances, while proposing a benchmarking framework for the evaluation of CO2 batteries and innovative CO2 battery configurations for ...
Changfan Xu +5 more
wiley +1 more source
Pengaruh Jenis Pahat Bubut Terhadap Kekasaran Permukaan Hasil Bubutan pada Bahan Stainless Steel
Jurnal Energi Dan Manufaktur, 2014 Kualitas pembubutan logam sangat dipengaruhi oleh jenis pahat bubut yang digunakan, seperti misalnya pahat bubut high speed steel(HSS), boron Karbida, dan pahat polycristaline diamond (PCD).
Ida Bagus Puspa Indra
doaj
INEL Spray-forming Research [PDF]
, 1992 Spray forming is a near-net-shape fabrication technology in which a spray of finely atomized liquid droplets is deposited onto a suitably shaped substrate or mold to produce a coherent solid.
Key, James F., Mchugh, Kevin M.
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The 8Li Calibration Source for the Sudbury Neutrino Obervatory
, 2002 A calibration source employing 8Li (t_1/2 = 0.838s) has been developed for use with the Sudbury Neutrino Observatory (SNO). This source creates a spectrum of beta particles with an energy range similar to that of the SNO 8B solar neutrino signal.
A.S. Hamer +16 more
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Advanced Energy Materials, EarlyView.Oxygen substitution in NaTaOxCl6‐2x drives structural evolution from isolated [TaCl6]– octahedra, through oxygen‐bridged [Ta2OCl10]2– dimers, toward extended trans‐[TaO2Cl4]3– chain‐like arrangements. At intermediate compositions, zero‐dimensional corner‐sharing motifs are proposed to create a flexible, disordered framework that peaks ionic ...
Justin Leifeld +17 more
wiley +1 more source
Thermal design improvements for 30kWe arcjet engine [PDF]
Two thermal design improvements for 30 kWe arcjet engines are described. A ZrB2 high temperature coating was used to increase the surface emissivity of the nozzle radiating surface, enabling lower temperature operation, which should lead to longer nozzle
Chopra, A. +3 more
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