Interfacial Shear Strength of Thin Polymeric Coatings on Glass

1988 ◽  
Vol 130 ◽  
Author(s):  
J. E. Ritter ◽  
L. Rosenfeld ◽  
M. R. Lin ◽  
T. J. Lardner
Keyword(s):  
Shear Strength ◽  
Interfacial Shear Strength ◽  
Indentation Test ◽  
Interfacial Shear ◽  
Polymeric Coatings ◽  
Shear Tests ◽  
Glass Substrates ◽  
Lap Shear ◽  
Order Of Magnitude ◽  
Intrinsic Strength

AbstractThe interfacial adhesive shear strengths of epoxy and acrylate coatings on glass substrates were measured by the indentation and lap shear tests. The lap shear strengths were about an order of magnitude less and exhibited considerably more variability than those measured by indentation. It is believed that the lap shear strength is controlled by large processing flaws (pores in this study); whereas, the indentation test measures the “intrinsic” strength of the coating.

Measuring the interfacial shear strength of thin polymer coatings on glass

1990 ◽  
Vol 5 (5) ◽  
pp. 1110-1117 ◽  
Author(s):  
M.R. Lin ◽  
J.E. Ritter ◽  
L. Rosenfeld ◽  
T.J. Lardner
Keyword(s):  
Shear Strength ◽  
Interfacial Shear Strength ◽  
Indentation Test ◽  
Soda Lime ◽  
Polymer Coatings ◽  
Interfacial Shear ◽  
Soda Lime Glass ◽  
Lap Shear ◽  
Thin Polymer ◽  
Order Of Magnitude

The interfacial adhesive shear strengths of four commercial polymer coatings on soda-lime glass were measured by the microindentation and single lap shear tests. The indentation interfacial shear strengths were over an order of magnitude greater and exhibited significantly less variability than those measured by lap shear. It is believed that the indentation test measures the “intrinsic” interfacial shear strength of the bonded coatings, whereas the lap shear strengths are controlled by large processing flaws (pores in this study) in the region of stress concentration near the overlap edge.

Processing and mechanical behavior of SiC fiber-reinforced Si3N4 composites

1991 ◽  
Vol 6 (9) ◽  
pp. 1926-1936 ◽  
Author(s):  
J-M. Yang ◽  
Steven T.J. Chen ◽  
S.M. Jeng ◽  
R.B. Thayer ◽  
J-F. LeCoustaouec
Keyword(s):  
Shear Strength ◽  
Mechanical Behavior ◽  
Interfacial Shear Strength ◽  
Indentation Test ◽  
Interfacial Properties ◽  
Interfacial Shear ◽  
Bending Test ◽  
Frictional Stress ◽  
Propagation Behavior ◽  
Sic Fiber

The interfacial properties and mechanical behavior of the SCS-6/Si3N4 composites fabricated by hot pressing from powder lay-up and tape lay-up techniques were studied. Interfacial shear strength and frictional stress were measured using an indentation test. Fracture toughness and work-of-fracture were measured using a three-point bending test on a chevron-notched specimen. The influence of interfacial shear strength on the toughening mechanisms and crack propagation behavior were investigated. The results indicate that the processing routes and fiber orientation will affect the interfacial properties, which in turn have a significant influence on mechanical properties.

scholarly journals Evaluation of Interfacial Shear Strength of C/C Composites by means of Micro-Indentation Test

1996 ◽  
Vol 37 (5) ◽  
pp. 1161-1165 ◽  
Author(s):  
K. Watanabe ◽  
A. Kohyama ◽  
S. Sato ◽  
H. Serizawa ◽  
H. Tsunakawa ◽  
...  
Keyword(s):  
Shear Strength ◽  
Interfacial Shear Strength ◽  
Indentation Test ◽  
Interfacial Shear ◽  
Micro Indentation

scholarly journals Enhanced Interfacial Shear Strength and Critical Energy Release Rate in Single Glass Fiber-Crosslinked Polypropylene Model Microcomposites

Materials ◽  
2018 ◽  
Vol 11 (12) ◽  
pp. 2552 ◽  
Author(s):  
Uwe Gohs ◽  
Michael Mueller ◽  
Carsten Zschech ◽  
Serge Zhandarov
Keyword(s):  
Shear Strength ◽  
Electron Beam ◽  
Energy Release Rate ◽  
Glass Fiber ◽  
Release Rate ◽  
Interfacial Shear Strength ◽  
Glass Fibers ◽  
Critical Energy ◽  
Interfacial Shear ◽  
Critical Energy Release Rate

Continuous glass fiber-reinforced polypropylene composites produced by using hybrid yarns show reduced fiber-to-matrix adhesion in comparison to their thermosetting counterparts. Their consolidation involves no curing, and the chemical reactions are limited to the glass fiber surface, the silane coupling agent, and the maleic anhydride-grafted polypropylene. This paper investigates the impact of electron beam crosslinkable toughened polypropylene, alkylene-functionalized single glass fibers, and electron-induced grafting and crosslinking on the local interfacial shear strength and critical energy release rate in single glass fiber polypropylene model microcomposites. A systematic comparison of non-, amino-, alkyl-, and alkylene-functionalized single fibers in virgin, crosslinkable toughened and electron beam crosslinked toughened polypropylene was done in order to study their influence on the local interfacial strength parameters. In comparison to amino-functionalized single glass fibers in polypropylene/maleic anhydride-grafted polypropylene, an enhanced local interfacial shear strength (+20%) and critical energy release rate (+80%) were observed for alkylene-functionalized single glass fibers in electron beam crosslinked toughened polypropylene.

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