Thesis topic proposal
János Égert
Vehicle engineering applications of bio-composite materials


Institute: Széchenyi István University, Győr
transportation and vehicle engineering
Multidisciplinary Doctoral School of Engineering Sciences

Thesis supervisor: János Égert
Location of studies: Széchenyi István University
Abbreviation of location of studies: SZE

Description of the research topic:

Description of the research topic:
The developing of bio-composite materials has started in the last few years. Bio-composites consist of natural reinforcement fibres (mainly flax) and bio-resin (e.g. polylactic acids). Their mechanical material properties can reach the level of glass fibre-reinforced polymers properties. The main goal of the research work is to prepare the application of bio-composite materials for the vehicle industry from a mechanical point of view. This preparation covers every experimental investigation, mechanical modelling and constructional design procedures that are necessary for the proper vehicle engineering applications.
First one has to determine through experiments all the mechanical properties that are needed for mechanical computer analysis (stress, strength, vibration, fatigue, etc. analysis) of bio-composite vehicle-parts. Bio-composites are very new materials therefore these properties are not available in the literature. Then one has to investigate the applicability of simulation methods of numerical mechanics (stress, strength, vibration, fatigue, etc. analysis), of material laws, failure criterion, etc. for bio-composite vehicle parts. Also part of the research is the further developing and adaptation of these procedures for bio-composite vehicle elements. The final task is to prove the effective applicability of these numerical procedures for the design and dimensioning of a given bio-composite vehicle part.

Research goals:
 Determination of material properties and failure parameters of orthotropic bio-composite materials by experiments.
 Verification for bio-composites of the applicability of failure criterions that are for usual composites generally valid.
 Experimental confirmation of finite element modeling of bio-composite vehicle parts.

National and international contact related to the research topic, if there are any:
 Meshining Engineering Ltd. and Meshlin Composites Inc. Győr
 Budapest University of Technology and Economics, Faculty of Mechanical Engineering, Department of Polymer Technology

Others (requirements, expectations):
Knowledge of finite element program codes and CAD systems in mechanical engineering, knowledge of experimental methods in the field of mechanics of materials, knowledge of theory of elasticity at least on MSc level, knowledge of English language at least on intermediate level, knowledge of programming codes

Number of students who can be accepted: 1

Deadline for application: 2016-12-31

2016. X. 26.
ODT ülés
Az ODT következő ülésére 2016. november 18-án 10.00 órakor kerül sor a Semmelweis Egyetem Szenátusi termében (Bp. Üllői út 26. I. emelet).

All rights reserved © 2007, Hungarian Doctoral Council. Doctoral Council registration number at commissioner for data protection: 02003/0001. Program version: 1.2290 ( 2016. X. 03. )