Table 2 The best-fitted parameters of mater curve of \(S_{0}\) for CSP.

From: A nonlinear viscoelastic constitutive model with damage and experimental validation for composite solid propellant

Parameters

\(A_{1}\)

\(A_{2}\)

\(A_{3}\)

\(A_{4}\)

\(R^{2}\)

Values

45.732

− 48.266

0.0634

− 3.564

0.991

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