PhD Position in Chemical and Materials Technology

Updated: about 2 months ago
Job Type: FullTime
Deadline: 31 May 2021

Tallinn University of Technology, School of Engineering, Department of Materials and Environmental Technology, Laboratory of Wood Technology is offering a 4-year PhD position to a well-qualified individual to work on a research project to design innovative multilayer engineered wood products from low-quality wood species. The PhD student will be employed part-time as an early-stage researcher.

Proposed doctoral thesis topic: "Valorizing low-quality wood species into innovative multilayer engineered wood products"

Supervisors: Professor Jaan Kers and Researcher Anti Rohumaa

Description

This PhD project investigates the use of low-quality hardwood species, suitable modifications and composite structure in the development of environmentally friendly innovative-engineered wood products. The project will also emphasize the role of different wood material processing stages and adhesive-wood interaction with veneer-based composites' properties.

Moreover, for some innovative and value-added applications such as fire safety or further increasing strength of composites, the virgin properties of wood will not suffice. In these cases, modification of veneer could be an excellent opportunity to tailor veneers to optimize quality and to develop new and innovative veneer-based composites. Examples include thermal treatment or acetylation, which could reduce the equilibrium moisture content, improve dimensional stability and durability of wood, or impregnating some layers of veneers to improve fire resistance. All these modifications affect adhesive interaction with modified wood and the quality of the final product.

Research objectives:

  • to study the influence of the wood processing parameters and modification methods on veneer surface properties of different hardwood species
  • to study how wood processing parameters and modifications affect the bonding quality
  • to develop innovative multilayer-engineered wood composites with enhanced strength, durability and fire safety

Tasks of the PhD student:

  • review existing knowledge in the field of veneer-based engineered wood products.
  • prepare a research plan and execute it
  • develop the processing parameters and modifications for hardwood species
  • design innovative veneer-based engineered wood products with enhanced quality

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