Elastic properties of silicone mammary implants
S.A. Muslov
, S.A. Plaksin
, V.V. Shadrin
, P.Yu. Sukhochev
, S.S. Pertsov
, N.V. Zaitseva
, M.V. Chistyakov
, A.A. Korneev
, K.V. Davletyarova
, E.A. Postnova
, M.V. Fedotova
Abstract: Objective: The aim of this study is to determine the elastic moduli of silicone shell materials of breast implants using various deformation models based on mechanical tensile tests. Materials and methods: The elastic moduli of silicone shell materials from Mentor breast implants after 8 years of use in the body, Eurosilicone implants after 8 years, and Motiva implants after 2 years were determined. The calculations were based on the data obtained by modeling stress–strain curves σ–ε from mechanical tests. The implant shells were stretched up to 200%. Formally defined linear and hyperelastic models were used: phenomenological neohookean, Mooney-Rivlin, Ogden, Yeoh, polynomial, and Veronda Westmann models, which are well established in the mechanics of large and nonlinear deformations. Results: Among the considered silicones, the Mentor polymer is the “stiffest” (0.942 MPa), the Eurosilicone siloxane is “softer” (0.641 MPa), and Motiva is “the softest” (0.639 MPa).
Series on Biomechanics, Vol.40, No. 2 (2026), 94-102
DOI: 10.7546/SB.40.02.09.2026
Keywords: implants; moduli; silicone; Еlasticity
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| Date published: 2026-07-17
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