Identification of Viscoelastic Parameters for Composite Propellant by Indentation Technique

A method for identifying the relaxation modulus or creep compliance of composite propellant based on indentation technique is proposed, which can rapidly and nondestructively measure the mechanical properties of solid rocket motor grain in storage. According to viscoelastic indentation theories, a c...

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Veröffentlicht in:	Propellants, explosives, pyrotechnics explosives, pyrotechnics, 2023-03, Vol.48 (3), p.n/a
Hauptverfasser:	Mei, Yuan, Li, Dao‐Kui, Zhou, Shi‐Ming, Shen, Zhi‐Bin, Wu, Wei‐Jing
Format:	Artikel
Sprache:	eng
Schlagworte:	Composite propellant Composite propellants Constitutive model Constitutive models Hardness tests Indentation Indentation tests Life prediction Loading rate Mechanical properties Parameter identification Parameters identification Rockets Solid propellant rocket engines Storage life Stress relaxation Stress relaxation tests Structural analysis Tensile relaxation tests Tensile stress Viscoelasticity
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