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Adhesion and interfacial fracture toughness between hard and soft materials
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10.1063/1.3021350
/content/aip/journal/jap/104/10/10.1063/1.3021350
http://aip.metastore.ingenta.com/content/aip/journal/jap/104/10/10.1063/1.3021350

Figures

Image of FIG. 1.
FIG. 1.

Schematic illustration of the layers present in the model structure.

Image of FIG. 2.
FIG. 2.

Schematic of the Brazil nut specimen and .

Image of FIG. 3.
FIG. 3.

Schematic of load vs displacement plot describing the corresponding tip-sample interaction phenomena (Ref. 17).

Image of FIG. 4.
FIG. 4.

Typical force per unit area displacement curve for (a) hertz, (b) JKR, (c) DMT, and (d) actual MD adhesion models regarding contact theory of spheres.

Image of FIG. 5.
FIG. 5.

Typical force-displacement curve obtained for parylene C/316L stainless steel adhesion.

Image of FIG. 6.
FIG. 6.

A typical force-displacement curve achieved from the Brazil nut experiment for parylene C/316L interface.

Image of FIG. 7.
FIG. 7.

Fracture toughness measurements obtained for parylene C/316L interface over a range of mode mixities.

Image of FIG. 8.
FIG. 8.

Representative backscattered SEM image of results of a Brazil nut specimen after specimen fractured in Instron. (a) and (d) show the two quadrants on the flat half and (b) and (c) are the two quadrants on the notched half on the Brazil nut.

Image of FIG. 9.
FIG. 9.

Mode I fracture toughness of the parylene C/316L interface vs the prediction from the DMT model.

Tables

Generic image for table
Table I.

XPS results of EPO-TEK adhesive illustrating the (a) elemental concentrations (normalized to 100% of the elements detected. XPS does not detect H or He) and (b) atomic concentrations of carbon chemical species.

Generic image for table
Table II.

SEM measurements of the radius of the coated AFM tips.

Generic image for table
Table III.

White light interferometry results describing the rms surface roughness of electropolished 316L coupons.

Generic image for table
Table IV.

Mechanical properties of materials used in the structure of DES.

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/content/aip/journal/jap/104/10/10.1063/1.3021350
2008-11-24
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Adhesion and interfacial fracture toughness between hard and soft materials
http://aip.metastore.ingenta.com/content/aip/journal/jap/104/10/10.1063/1.3021350
10.1063/1.3021350
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