Results 61 to 70 of about 12,339 (306)

On the oxidation and combustion of AlH3 a potential fuel for rocket propellants and gas generators

open access: yes, 2022
S.213-221Aluminum hydride is a promising candidate for application in energetic materials and hydrogen storages. E.g. an AP/HTPB rocket propellant filled with alane was calculated for a 100 N s kg(-1) higher specific impulse compared to the same ...
Weiser, V.   +3 more
core   +1 more source

Advances in Sustainable and Wearable Textile Based Soft Robotics

open access: yesAdvanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas   +6 more
wiley   +1 more source

Deconsolidation and combustion performance of thermally consolidated propellants deterred by multi-layers coating

open access: yesDefence Technology, 2014
Both heating and solvent-spray methods are used to consolidate the standard grains of double-base oblate sphere propellants plasticized with triethyleneglycol dinitrate (TEGDN) (TEGDN propellants) to high density propellants.
Zheng-gang Xiao   +2 more
doaj   +1 more source

Rapid Fabrication of Self‐Propelled and Steerable Magnetic Microcatheters for Precision Medicine

open access: yesAdvanced Materials, EarlyView.
A rapid Joule heating fabrication method for the production of self‐propelling, adaptive microcatheters, with tunable stiffness and integrated microfluidic channels is presented. Demonstrated through three microrobotic designs, including a steerable guiding catheter, an untethered wave‐crawling TubeBot, and a distal‐end propelled microcatheter, it was ...
Zhi Chen   +5 more
wiley   +1 more source

Determination of chemical stability of propellants using the vacuum stability test method [PDF]

open access: yesScientific Technical Review, 2016
This paper includes the results of the examination of the single base propellants, double base propellants and double base rocket propellants with the Czech Vacuum Stability Test STABIL.
Fidanovski Bojana   +3 more
doaj  

The Role of Thrusters in Space Systems [PDF]

open access: yesفناوری در مهندسی هوافضا, 2020
Spacecrafts, such as artificial satellites and space probes have small rockets called thrusters for orbital maneuvering, and satellite attitude control. These thrusters produce thrust by exhausting gases from their nozzles.
Sajjad Hosseinzadeh alqoo   +1 more
doaj  

Experimental Study of Pyrolysis and Laser Ignition of Low-Vulnerability Propellants Based on RDX

open access: yesMolecules, 2020
Low-vulnerability propellants are propellants designed to resist unintended stimuli to increase safety during transport, storage and handling. The substitution of usual nitrocellulose-based gun propellants with these new materials allows maintaining ...
Jordan Ehrhardt   +3 more
doaj   +1 more source

Mesoporous Silica Nanoparticles in Biomedicine: Advances and Prospects

open access: yesAdvanced Materials, EarlyView.
Mesoporous silica nanoparticles offer unique properties like high surface area, tunable pores, and functionalization. They excel in drug delivery, tissue engineering, and stimuli‐responsive therapies, enabling targeted and controlled treatments. With roles in cancer therapy and diagnostics, their clinical translation requires addressing challenges in ...
Miguel Manzano, María Vallet‐Regí
wiley   +1 more source

2D Co‐Mo‐Hydroxide‐Based Multifunctional Material for the Development of H2‐Based Clean Energy Technologies

open access: yesAdvanced Materials, EarlyView.
2D α‐Co(OH)2 interleaved with Mo species displays an appealing dual functionality for the production and use of green hydrogen.Mo incorporation greatly benefits the electrochemical behaviour in Oxygen Evolution Reaction for H2 production, while the magnetocaloric response at liquid H2 temperature paves the way for alternative cryogenic refrigerants ...
Daniel Muñoz‐Gil   +14 more
wiley   +1 more source

Combustion phenomena of boron containing propellants

open access: yes, 2022
S.896-905The combustion of boron-contg. propellants, based on AP/GAP and AP/HMX/GAP formulations, was investigated by applying fast spectroscopic, pyrometric, and photog. techniques. The propellants burn at a rate of 17 mm/s at 5 MPa. Addn.
Eisenreich, N.   +5 more
core  

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