A controlled stress-rheometer used in creep/recovery mode was used for detection of the onset of elasticity in setting elastomers. The time for the materials to develop 5-20% elastic recovery corresponded with the time to reach a phase angle of 60° in an oscillatory test.
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References
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de Araujo, A.; Jorgensen, K.D.; and Finger, W. (1985): Viscoelastic Properties of Setting Elastomeric Impression Materials, J Prosthet Dent54:633-636.
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McCabe, J.F. and Carrick, T.E. (1989): Rheological Properties of Elastomers during Setting , J Dent Res68:1218-1222.
