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In situ observations of crack propagation mechanisms along interfaces between confined polymer layers and glass
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10.1063/1.2172713
/content/aip/journal/apl/88/6/10.1063/1.2172713
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/6/10.1063/1.2172713
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic drawing of an ADCB experiment. A razor blade (black) is inserted between PET and glass. , crack opening; a, crack length; L, uncracked length. , height; , Young’s modulus; , Poisson’s ratio; subscript refer to glass, steel, respectively.

Image of FIG. 2.
FIG. 2.

Front 1. (a1) Part of image at , showing metal roughness, wedge fringes where laminate has separated (left), brightness change at crack front. (a2) Part of image at . Arrow represents exaggerated displacement vector necessary to bring background into registry. (b) Pixelwise subtraction after image registration. (c) Thresholding. (d) Filling behind front. (e) Front. Insets: Example of treatment of holes. (c1) Type 2 hole in some image combined with front from . (d1) .

Image of FIG. 3.
FIG. 3.

(a) Example of front 1. Grey line indicates the mean front position . (b) , light parts: , dark parts: . (c) Forward “acceleration” [with ] as a function of time and position along front. .

Image of FIG. 4.
FIG. 4.

(a) Snapshot of front 2. (b) Image showing approximately 400 subsequent front positions. Front movement is mainly due to bursts parallel to the front. .

Image of FIG. 5.
FIG. 5.

Propagation of front 2. All displacements with respect to front position at time zero. (a) . (b) [with ]. . (c) Sketches clarifying appearance in (b) of forward bursts (top) and laterally propagating forward steps.

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/content/aip/journal/apl/88/6/10.1063/1.2172713
2006-02-09
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: In situ observations of crack propagation mechanisms along interfaces between confined polymer layers and glass
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/6/10.1063/1.2172713
10.1063/1.2172713
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