DURABLE PROTECTION OF THE SURFACE OF WOOD USED OUTDOORS: MATERIAL CONSTRAINTS, PROBLEMS AND APPROACHES TO SOLUTIONS

Durable protection of the surface of wood used outdoors: material constraints, problems and approaches to solutions

The aesthetic durability of wooden structures is a major challenge for the use of this material in construction.Wood is used for its technical performances but also for its architectural qualities and its aesthetic perception.The premature aging of the wooden structures is detrimental because these disorders, even if they do not affect the strength

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Active particles in geometrically confined viscoelastic fluids

We experimentally study the dynamics of active particles (APs) in a viscoelastic fluid under various geometrical constraints such as flat walls, spherical obstacles and cylindrical cavities.We observe that the main effect of Trash Can the confined viscoelastic fluid is to induce an effective repulsion on the APs when moving close to a rigid surface

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