Results 151 to 160 of about 7,227 (196)

Enhanced gas and plasticizer barrier HTPB composite liner implanted with parallel orientation Fe₃O₄/RGO nanosheets by an ultrasound/magnet-coassisted method. [PDF]

Ultrason Sonochem
Lu Z, Zhou Q, Zhang Y, Atya A, Zhang T, Zhang G, Zhang Y, Liu G, Jiang W, Hu Y.   +9 more
europepmc   +1 more source

Experimental study of lubricating wear phenomena in Ag-Mg alloy systems. [PDF]

Sci Rep
Venkatasudhahar M, Muthukumar S, Kumar NM, Kumar PM, Al Awadh M, Rajendran P, Lee IE.   +6 more
europepmc   +1 more source

Optimal Bi₀.₈Ba₀.₂FeO₃ doping in Bi₀.₅(Na₀.₇₇K₀.₂₀Li₀.₀₃)₀.₅TiO₃ multiferroic ceramics synthesized by the solid-state combustion technique. [PDF]

Sci Rep
Thawong P, Prasertpalichat S, Suriwong T, Pinitsoontorn S, Jantaratana P, Chootin S, Sriondee M, Charoonsuk T, Vittayakorn N, Rittidech A, Bongkarn T.   +10 more
europepmc   +1 more source

Properties of Mixed Crystal Coprecipitation Substances of Ammonium Nitrate and Potassium Perchlorate Prepared by the Evaporative Solvent Method. [PDF]

ACS Omega
Zi R, Han Z, Yu Y, Wang C, Zhang X, Guo X, Chen J, Zhang X, Yang J.   +8 more
europepmc   +1 more source

Crystallization-Based Modification of Ammonium Perchlorate Heat Release. [PDF]

Cryst Growth Des
Smith-Papin N, Do C, Phister M, Giri G, Kalman J.   +4 more
europepmc   +1 more source

The Legacy and Future of Aluminum Alloys: Space Exploration and Extraterrestrial Settlement. [PDF]

ACS Mater Au
Tunes MA.
europepmc   +1 more source

AI-driven design of multifunctional nanomaterials in revolutionizing high-temperature, high-power solutions for space technology: potentials, challenges and perspectives. [PDF]

Discov Nano
Mengesha WG.
europepmc   +1 more source

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Thermoviscoelastic Analysis of Axisymmetric Solid Propellant Grains

Journal of Spacecraft and Rockets, 1975
Theme T paper presents a technique developed for the analysis of stress concentration in axisymmetric viscoelastic solids with a moving inner boundary. Using White's procedure of viscoelastic analysis, the technique is then used to analyze a case-bonded grain, in which a number of axisymmetric slots are spaced at intervals along the longitudinal ...
G. SANKARAN, M. JANA
openaire   +1 more source

Transient thermal stresses in solid propellant grains

1st Annual Meeting, 1964
This paper describes how finite-difference procedures are used to solve axisymmetric thermal stress problems with the aid of an electronic digital computer. In this solution, elasticity theory is employed in a stress-function formulation that includes the effects of continuously varying temperatures in both the axial and radial directions.
A. M. MESSNER, D. R. SCHLIESSMANN
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Photothermoelastic analysis of bonded propellant grains

Experimental Mechanics, 1961
A two-dimensional model of the transversal cross section of a bonded rocket propellant grain was subjected to uniform and steady thermal loading and, alternatively, to mechanically applied uniform radial displacements on the outer boundary. The optimization of perforation contours (attained in previous research programs by applying uniform pressure on ...
I. M. Daniel, A. J. Durelli
openaire   +1 more source