Analysis of the capability of cork and cork agglomerates to absorb multiple compressive quasi-static loading cycles

Despite the higher specific mechanical properties and the lower density of polymeric foams, these materials present cumulative damage behaviour that implies in the second and successive impacts, their mechanical properties decrease drastically. However, cork and cork agglomerates have the ability to...

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Bibliographic Details
Published in:European journal of wood and wood products 2021-09, Vol.79 (5), p.1195-1208
Main Authors: Miralbes Buil, Ramon, Ranz Angulo, David, Ivens, Jan
Format: Article
Language:English
Subjects:
Agglomerates
Agglomeration
Biomedical and Life Sciences
Ceramics
Composites
Compression
Compression loads
Cumulative damage
Flux density
Foams
Glass
Impact damage
Life Sciences
Machines
Manufacturing
Mechanical properties
Natural Materials
Original Article
Plastic foam
Polystyrene
Polystyrene resins
Processes
Protective equipment
Wood Science & Technology
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Summary:Despite the higher specific mechanical properties and the lower density of polymeric foams, these materials present cumulative damage behaviour that implies in the second and successive impacts, their mechanical properties decrease drastically. However, cork and cork agglomerates have the ability to absorb multiple impacts so they could be a more suitable material in some products, such as bumpers and helmets. This article is focused on the study of five different cork agglomerates and a natural cork under four different maximum deformations subjected to four consecutive compression loading cycles. Main diagrams, such as the stress–strain, energy density and efficiency, and the variation in diverse parameters, such as the absorbed energy density and maximum efficiency, were investigated and compared with an expanded polystyrene foam.
ISSN:0018-3768
1436-736X
DOI:10.1007/s00107-021-01658-6