Fracture mechanics of materials: From steel to packaging material

Document type: Conference Papers
Peer reviewed: Yes
Author(s): Sharon Kao-Walter, Johan Tryding
Title: Fracture mechanics of materials: From steel to packaging material
Conference name: BROBERG SYMPOSIUM
Year: 2007
Publisher: University College Dublin
City: Dublin
Organization: Blekinge Institute of Technology
Department: School of Engineering - Dept. of Mechanical Engineering (Sektionen för teknik – avd. för maskinteknik)
School of Engineering S- 371 79 Karlskrona, School of Engineering S- 371 79 Karlskrona
+46 455 38 50 00
Authors e-mail:,
Language: English
Abstract: The application of fracture mechanics started during the 20th century. By natural reason, most of the early research has been related to e.g. construction and defence industries. The fracture mechanics theories have been developed based on materials used by these industries, e.g. metals, plastic, concrete and soil materials. Later, along with the development of composite materials (and now even nano-materials), fracture mechanics theory was extended to include the fracture behaviour in composite materials. Nowadays, packaging industries utilize the fracture theories to enhance the package quality and cut the costs. Paper based packages for liquid food in ambient climate have been built up by the combination of paper, plastic and aluminium-foil. Research in this area has been done by the authors. It is found that many fracture related problems that occurs in the making of liquid food packages can be analyzed by the theory of fracture mechanics. However, it is the authors experience that to fully understand the interaction of the materials leading to fracture in the package laminate, further research in fracture of laminate is needed.
Subject: Mechanical Engineering\Structural Mechanics