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Fabrication and Design of Wood-Based High-Performance Composites

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Visual-Tactile Perception of Biobased Composites.

Manu Thundathil¹, Ali Reza Nazmi¹, Bahareh Shahri¹

¹School of Product Design, University of Canterbury, Christchurch 8041, New Zealand.

Materials (Basel, Switzerland)

|March 11, 2023

Summary

Understanding biobased composite perception is key for sustainable materials. Bimodal sensory evaluation reveals visual and tactile factors influencing perceptions of naturalness, beauty, and value.

Keywords:

aesthetics biocomposite material design material perception material sustainability product design semantic differential method visual and tactile senses

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Area of Science:

Materials Science
Sustainable Design
Sensory Perception

Background:

Biobased composites are sustainable alternatives to fossil-fuel materials.
Large-scale adoption is limited by perceptual challenges.
Understanding perception mechanisms is crucial for commercial success.

Purpose of the Study:

To investigate the role of bimodal (visual and tactile) sensory evaluation in biobased composite perception.
To identify key attributes and their correlations in material perception.
To link sensory characteristics to perceived value and naturalness.

Main Methods:

Utilized the Semantic Differential method for sensory evaluation.
Employed bimodal (visual and tactile) assessments.
Analyzed perceptual clusters based on sensory dominance.

Main Results:

Biobased composites formed distinct perceptual clusters.
Attributes like 'Natural', 'Beautiful', and 'Valuable' positively correlated, influenced by both visual and tactile cues.
'Complex', 'Interesting', and 'Unusual' attributes were visually dominated.

Conclusions:

Identified perceptual relationships and components of beauty, naturalness, and value.
Highlighted visual and tactile characteristics influencing these perceptions.
Suggests material design leveraging these insights can enhance designer and consumer appeal for sustainable materials.