Resistance to mold development assessment of bio-based building materials

Marie Viel, Florence Collet, Yann Lecieux, Marc Louis Maurice François, Valentin Colson, Christophe Lanos, Atif Hussain, Mike Lawrence

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

Nowadays, insulating building materials are developed from the valorization of agro-resources. They show high ecological and hygrothermal performance. Before making them available on the market, there is a need to classify them according to their decay resistance. This paper aims to propose a test method that qualifies bio-based composites with respect to their performance. An accelerated aging test was carried out on 5 composites made with two different agro-resources (hemp and rape) and with different binders. It consists of exposing the specimens to (30 °C; 90% RH) for three months. During the test, the specimens are regularly weighed and photographed. The sample mass and the percentage of surface contaminated by fungi are measured along the test. Finally, a microscopic view allows identifying the species of the developed molds.

Original languageEnglish
Pages (from-to)406-418
Number of pages13
JournalComposites Part B: Engineering
Volume158
Early online date29 Sep 2018
DOIs
Publication statusPublished - 1 Feb 2019

Keywords

  • A. Biocomposite
  • B. Environmental degradation
  • D. Non-destructive testing
  • D. Optical microscopy
  • DIC (digital image correlation)

ASJC Scopus subject areas

  • Ceramics and Composites
  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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