Technical Paper Archive


This site contains all papers presented at Rubber Division, ACS Technical Meetings from 2000-2018. Meetings prior to 2000 are incomplete and papers are added as they are digitized.


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Recent Progresses in Physical Understanding, Mechanical Characterization and Modeling of the Mullins Softening in Carbon-Black Filled Rubbers

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Event: 187th Technical Meeting
Location: Greenville, SC
Date: April 27, 2015
Author: Julie Diani
Paper Number:

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  • Sparks-Thomas Award Address
    Carbon-black filled rubbers undergo substantial stress-softening and possible residual strain upon first stretch. This softening is known as the Mullins effect for Mullins’ significant contribution on the mechanical characterization, physical understanding and modelling of the phenomenon. The presentation will review some recent progresses in: the mechanical characterization of the Mullins softening, defining an objective parameter to quantify the effect and a general criterion for its activation; the constitutive modelling, introducing damage directional constitutive equations reproducing induced anisotropy; and the physical understanding sorting out which of the physical damages may cause such a significant mechanical softening.
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    Papers from 187th Technical Meeting

    Items from 187th Technical Meeting