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The out-of-plane behaviour of spread-tow fabrics

Maciej Wysocki (Institutionen för tillämpad mekanik, Material- och beräkningsmekanik) ; M. Szpieg ; P. Hellström ; F. Ohlsson
16th European Conference on Composite Materials, ECCM 2014; Seville; Spain; 22 June 2014 through 26 June 2014 (2014)
[Konferensbidrag, refereegranskat]

In this paper the constitutive compressive behaviour of nearly parallel spread-tow textile reinforcement is studied. The striking result of our analysis is that the spread-tow type of reinforcement should obey linear relation between force and deformation. This is in contrast to standard textile reinforcements that obey a power-law type of behaviour. To support the theoretical investigation we have developed an test rig who's chief purpose is to achieve compression between nearly perfectly parallel surfaces. This is achieved using a mechanical arrangement consisting of a ball-joint.

Nyckelord: Experimental characterisation; Hertzian contact; Preform mechanics; Textile composites



Denna post skapades 2014-12-23.
CPL Pubid: 208913

 

Institutioner (Chalmers)

Institutionen för tillämpad mekanik, Material- och beräkningsmekanik (2005-2017)

Ämnesområden

Textil-, gummi- och polymermaterial

Chalmers infrastruktur