Numerical Simulations of the Vulcanization Process of a Low Cost Elastomeric Seismic Isolator

Gabriele Milani*, Federico Milani, Ahmad B. Habieb, Renato Cerchiaro

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A 3D numerical model based on finite differences is proposed to predict the degree of vulcanization of a Fiber Reinforced Elastomeric Isolator FREI constituted by five EPDM pads and four GFRP laminas interposed between contiguous pads. EPDM used is composed by 2/3 of regenerated rubber and 1/3 of virgin rubber. A prototype is cured at 130°C for 40 minutes and shore A hardness is measured in the central cross section on two points, the first located in the middle, the second near the comer. It is found that the crosslinking density obtained is suboptimal (but still acceptable for an engineering point of view) and that it is required to increase the vulcanization temperature to 150°C to obtain a full and homogeneous curing.

Original languageEnglish
Title of host publicationInternational Conference on Numerical Analysis and Applied Mathematics, ICNAAM 2020
EditorsT.E. Simos, T.E. Simos, T.E. Simos, T.E. Simos, Ch. Tsitouras
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735441828
DOIs
Publication statusPublished - 6 Apr 2022
EventInternational Conference on Numerical Analysis and Applied Mathematics 2020, ICNAAM 2020 - Rhodes, Greece
Duration: 17 Sept 202023 Sept 2020

Publication series

NameAIP Conference Proceedings
Volume2425
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceInternational Conference on Numerical Analysis and Applied Mathematics 2020, ICNAAM 2020
Country/TerritoryGreece
CityRhodes
Period17/09/2023/09/20

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