Results 71 to 80 of about 370 (179)

Properties of high-energy propellants based on oxygen-enriched thermoplastic elastomer binders

FirePhysChem
Composite propellants are widely used in applications ranging from gas generators and small rockets to large rocket systems in space programs. This study presents a novel thermoplastic elastomer (TPE) binder system based on oxygen-enriched polyether ...
Vladica S Bozic
doaj   +1 more source

An Overview of the Technological Progress in Propellants Using Hydroxyl-Terminated Polybutadiene as Binder During 2002–2012

Journal of Aerospace Technology and Management, 2013
http://dx.doi.org/10.5028/jatm.v5i3.242 The purpose of this article is to present a study on the technological development of propellants, which are used in solid and hybrid rocket motor, that have been employing hydroxyl-terminated polybutadiene (HTPB)
Gilson da Silva, Simone Carvalho Rufino, Koshun Iha   +2 more
doaj  

Progress on additive manufacturing technology of solid propellants

Energetic Materials Frontiers
The application of Additive Manufacturing (AM) in the production of solid propellants presents new opportunities to enhance the propulsion performance of rockets, missiles, and space launch vehicles.
Christian Ingabire, Dao-lun Liang, Li-xiang Li   +2 more
doaj   +1 more source

Synergistic dual dynamic bonds for enhanced self-repair performance in HTPB binders

Energetic Materials Frontiers
Energetic materials serve as critical energy sources for weapon systems and equipment. During manufacturing and storage processes, microcracks may form in these materials, posing significant safety risks.
Ming-hao Zhang, Xing-ling Hu, Zhi-shuai Geng, Wei Yang, Fan-zhi Yang, Yun-jun Luo, Min Xia   +6 more
doaj   +1 more source

Experimental study on the porosity of HTPB propellant: characterization of damage evolution

Journal of Materials Research and Technology
To characterize the damage evolution mechanism of HTPB composite solid propellant, the porosity as well as the sphericity will be analyzed using micro-CT. Under normal temperature and pressure, the damage mechanisms include voids, ''dewetting'' damage at
Huihui Zhang, Ruyan Zhao, Zhibin Shen, Haiyang Li, Dapeng Zhang, Kuangwei Deng   +5 more
doaj   +1 more source

Synthesis of propellant grade HHTPB by hydrogenation of HTPB using Pd-activated charcoal as catalyst

FirePhysChem
To derive more performance from the conventional composite propellant based on hydroxyl-terminated polybutadiene (HTPB) and ammonium perchlorate (AP), it is envisaged to hydrogenate HTPB, which increases the H/C (hydrogen to carbon ratio) of the base ...
Ch. Devi Vara Prasad, P. Kanakaraju, R Vinu, Abhijit P Deshpande   +3 more
doaj   +1 more source

Impacts of metal oxide crystalline structure on the decomposition of solid propellants under combustion heating rates

Fuel Communications
Ammonium perchlorate (AP) has been the oxidizer of choice for composite solid propellants for decades and has been the object of decomposition studies for safety monitoring.
Andrew R. Demko, Justin A. Lajoie, Alexander R. Jimenez-Thomas, David J. Ramirez, Travis R. Sippel   +4 more
doaj   +1 more source

Mechanical properties of HTPB propellants: Recent advances and underlying mechanisms

Energetic Materials Frontiers
Hydroxyl-terminated polybutadiene (HTPB)-based composite solid propellants (CSPs) are widely used in solid rocket motors due to their excellent mechanical properties and low cost.
Wasiullah Qazi, Rui Pu, Yuan Qin, Qi-Long Yan   +3 more
doaj   +1 more source

Curing Properties of HTPB-based Solid Propellants

Journal of the Korean Society of Propulsion Engineers, 2022
Su-A Jeon, Jee-Hun Ahn, Hang-seok Seo, Han-Jun Kim, Eui-yong Park   +4 more
openaire   +1 more source

Characteristics of HTPB/AP/AOT Solid Propellant

Journal of the Korean Society of Propulsion Engineers, 2018
Miri Kim, Jaesung Choi, Jeongeun Kim, Myungpyo Hong, Hyoungjin Lee   +4 more
openaire   +1 more source