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Mechanisms of grindning and refining

Date: 1.1.1996-31.12.1996
Code: K7620
Department: Åbo Akademi University / Faculty of Chemical Engineering (KTF), Laboratory of Pulping Technology
Address: Porthansgatan 3, FIN-20500 Åbo
Phone +358-2-2154 126
Fax +358-2-2517 797
E-mail blonnber@abo.fi
Project leader: TkD Bruno Lönnberg, professor (1.1.1996-31.12.1996)
Researchers: TkL Göran Gros (1.1.1996-31.12.1996)
Type of research: 2 (0=Within duty, 1=Ordered research, 2=Co-operation)
- basic research 100 %
ŇA internal financing: FIM 10000
Finnish funding organizations: TEKES, Helsingfors (Kestävä paperi) FIM 120000
Man months: Totally: 6 months
Partners: Paprican, Grenoble
Contacts: Paprican, Grenoble, Sunds
Keywords: träkemi, fibrer, puukemia, kuidut, viskoelastisitet, trä, spänning, töjning, brott, viscoelasticity, wood, stress, strain, fracture,

The sterss/strain behaviour of wood shall be measured at various speeds of shear by an apparatus to be built for this purpose.The structure of the fracture surface will be studied to understand where and why shear forces act.The results will help develop the refining technology.

Publication(s)

26.2.1996 / 11.4.1996