Results 31 to 40 of about 226,378 (280)

Approach to the assessment of the hazard [PDF]

open access: yes, 1980
An overview of the carbon fiber hazard assessment is presented. The potential risk to the civil sector associated with the accidental release of carbon fibers from aircraft having composite structures was assessed along with the need for protection of ...
Huston, R. J.
core   +1 more source

Affordable Biogenic Anti‐Icing Surfaces

open access: yesAdvanced Materials Interfaces, EarlyView.
The article explores affordable biogenic coatings that prevent icing by combining coconut shell charcoal with natural hydrophobic agents such as beeswax. It shows how particle size and surface treatment influence water repellence, heat absorption, and self‐cleaning ability.
Yiqing Xue   +4 more
wiley   +1 more source

Pnma-BN: Another Boron Nitride Polymorph with Interesting Physical Properties

open access: yesNanomaterials, 2016
Structural, mechanical, electronic properties, and stability of boron nitride (BN) in Pnma structure were studied using first-principles calculations by Cambridge Serial Total Energy Package (CASTEP) plane-wave code, and the calculations were performed ...
Zhenyang Ma   +5 more
doaj   +1 more source

Advanced Ceramics in Aerospace and Defense: The Interrelationship between Traditional and Additive Manufacturing Approaches

open access: yesAdvanced Materials Technologies, EarlyView.
Additive manufacturing revolutionizes production by enabling on‐demand, customized, and sustainable manufacturing with streamlined supply chains. While metal and polymer AM are well‐established, advanced ceramic AM is rapidly emerging, overcoming traditional material challenges.
Kateryna Oleksandrivna Shvydyuk   +2 more
wiley   +1 more source

High-speed Civil Transport Aircraft Emissions [PDF]

open access: yes, 1992
Estimates are given for the emissions from a proposed high speed civil transport (HSCT). This advanced technology supersonic aircraft would fly in the lower stratosphere at a speed of roughly Mach 1.6 to 3.2 (470 to 950 m/sec or 920 to 1850 knots ...
Albers, Martin   +9 more
core   +1 more source

Superelastic High‐Entropy Oxide Ceramic Aerogels for Thermal Superinsulation and Sealing at Extreme Conditions

open access: yesAdvanced Science, EarlyView.
A high‐entropy oxide ceramic of (Gd1/2Lu1/2)2(Ti1/3Zr1/3Hf1/3)2O7 is prepared through a molecular synthesis route of pyrolytic solid‐solution reactions. The architectured nanofiber aerogel manifests unprecedented thermomechanical properties, including superelastic compressibility of 98% from −196 to 1500 °C, and thermal superinsulation capacity (24.14 ...
Xiaoke Jiang   +9 more
wiley   +1 more source

Civil aircraft system process assurance application based on ARP4754A

open access: yesHangkong gongcheng jinzhan
“Guidelines for development of civil aircraft and systems” is a recommended and accepted standard for the airworthiness of civil aircraft systems,which provides a structured development process assurance method to identify and correct development errors.
ZHOU Pei, LI Jing, XIE Hongman
doaj   +1 more source

The Future of Hydrogen‐Powered Aviation: Technologies, Challenges, and a Strategic Roadmap for Sustainable Decarbonization

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
Hydrogen‐powered aviation offers a transformative pathway to zero‐emission flight by eliminating in‐flight CO2 emissions. Key considerations include propulsion systems (fuel cells and hydrogen combustion), cryogenic storage and insulation challenges, infrastructure and cost barriers, and supply‐chain constraints.
Mubasshira   +4 more
wiley   +1 more source

BCAR section S issue 2 - What is possible and a review of existing designs [PDF]

open access: yes, 2000
British Civil Airworthiness Requirements Section S “Small Light Aeroplanes” is a standard based upon the European light aircraft standard JAR-VLA.
Gratton, GB
core  

Smart Bioinspired Material‐Based Actuators: Current Challenges and Prospects

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
This work gathers, in a review style, an extensive and comprehensive literature overview on the development of autonomous actuators based on synthetic materials, bringing together valuable knowledge from several studies. Furthermore, the article identifies the fundamental principles of actuation mechanisms and defines key parameters to address the size
Alejandro Palacios   +4 more
wiley   +1 more source

Home - About - Disclaimer - Privacy