Results 41 to 50 of about 1,005 (167)

Macro-microscopic study on the damage threshold strain of particle-filled polymer composites

Polymer Testing
During the loading process, particle-filled polymer composites will soften due to damage to their internal microstructure, resulting in a decrease in stiffness, toughness, and strength.
Wang Jiaxiang, Qiang Hongfu, Wang Xueren, Wang Zhejun, Li Shiqi   +4 more
doaj   +1 more source

Lifetime prediction of composite rocket propellant with dynamic mechanical analysis

Polymer Testing
The structural integrity of composite rocket propellants is critical for the reliability of rocket motors, as insufficient integrity can lead to failure or even motor explosion.
Viktor Bladholm, Emil Karlsson, Fritjof Nilsson   +2 more
doaj   +1 more source

Studies on creep–recovery viscoelastic behavior of high-energetic composite propellants using dynamic mechanical analyser (DMA)

FirePhysChem
Reliable assessment of the long-term structural integrity of solid rocket motors requires quantitative understanding of the stress- and temperature-dependent viscoelastic response of composite propellants subjected to sustained thermo-mechanical loading.
Nellutla Pandarinath Rao, Bipin Kumar Bihari, Sunil Jain, Deepak Yadav, Kshitija Vaidya, Balasubramanian Kandasubramanian   +5 more
doaj   +1 more source

Effect of MAPO and T313 on the Rheological and Mechanical Properties of Composite Solid Propellant Based on HTPB [PDF]

فناوری در مهندسی هوافضا, 2019
Composite solid propellants have found wide spread applications in missile industries, such as high density, high specific impulse, and possibility of producing large scale grains.
Seyed Amanollah Mousavi Nodoushan, Yahya Ebrahim abadi, Navab Fathi, Hamed Sheikh hasani   +3 more
doaj  

Combustion Behaviour of ADN-Based Green Solid Propellant with Metal Additives: A Comprehensive Review and Discussion

Aerospace
Solid propellants play a crucial role in various civil, scientific, and defence-related aerospace propulsion applications due to their efficient energy release, high energy density, low fabrication cost, and ease of operation.
Rushikesh Kore, Ashish Vashishtha
doaj   +1 more source

An SEM and EDS study of the microstructure of nitrate ester plasticized polyether propellants [PDF]

Journal of the Serbian Chemical Society, 2010
To probe the microstructures of nitrate ester plasticized polyether (NEPE) composite propellants and observe the morphology of each constitute in the propellant, the microstructure and elemental constitutes of NEPE propellants were investigated using ...
YONG LIU, LUOXIN WANG, XINLIN TUO, SONGNIAN LI   +3 more
doaj  

Synergistic catalysis-activation mechanism of NiF2 modifier for boosting the combustion performance and energy release of aluminized HTPB propellants

Defence Technology
The dense oxide layer on the surface of aluminum (Al) particles is recognized as a major limitation to their combustion efficiency in solid propellants.
Kan Xie, Yiyang Wang, Zijie Zhao, Jingyu Lei, Sulan Yang, Bin Tian   +5 more
doaj   +1 more source

Advances in the development and characterization of combustible cartridge cases and propellants: Preparation, performance, and future prospects

Reviews on Advanced Materials Science
This study presents a comprehensive analysis of combustible cartridge cases (CCCs) and propellants with a focus on their preparation methods, characterization techniques, and application in modern weaponry.
Wu Mengde, Xiao Zhenggang
doaj   +1 more source

Thermal decomposition kinetics and storage life prediction of nitramine propellants with different energetic plasticizers based on model-fitting method

Case Studies in Thermal Engineering
The research on the thermal decomposition of propellant is critical to determining its safe storage life. The thermogravimetry (TG) testing of nitramine propellants plasticized by nitroglycerin (NG), glycidyl azide polymer (GAP), 2,2-dinitropropanol ...
You Fu, Zhitao Liu, Bin Xu, Feiyun Chen, Xiaoan Wei, Yiqiang Long, Xin Liao   +6 more
doaj   +1 more source

Identification of Isocyanate Number on IPDI and TDI Due to Storage Period and Their Impact on Composite Solid Propellant

Reaktor
Isocyanate compounds serve as a curing agent in the production of composite propellants, playing a crucial role in determining their characteristics. Due to its high reactivity with moisture, it is essential to determine the isocyanate number of stored ...
Anita Pinalia, Ratnawati Ratnawati
doaj   +1 more source