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Measurement of Internal Coating Stresses of MIL-PRF-23377 Top Coated with MIL-PRF-8528

Measurement of Internal Coating Stresses of MIL-PRF-23377 Top Coated with MIL-PRF-8528
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Internal coatings stress (ICS) develops in coatings applied to a rigid substrates. During drying, volume changes due to solvent loss and/or cure induces stresses in the films. Differences in the thermal expansion coefficients of the coating and substrate also affect the ICS. ICS affects the interfacial adhesion and results in delamination once the stress exceeds the force of adhesion. 

Product Number: 41215-884-SG
Author: Devin Clark, Richard C. Ferguson, James W. Rawlins
Publication Date: 2015
Industries: Test Method , Coatings
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$20.00
$20.00

Internal coatings stress (ICS) develops in coatings applied to a rigid substrates. During drying, volume changes due to solvent loss and/or cure induces stresses in the films. Differences in the thermal expansion coefficients of the coating and substrate also affect the ICS. ICS affects the interfacial adhesion and results in delamination once the stress exceeds the force of adhesion. To measure ICS, a coating is applied to a thin strip of stainless steel and placed into a cantilever deflection apparatus (CDA) and the deflection from the base of the CDA to the bottom of the substrate is measured and incorporated into Corcoran’s equation.

Internal coatings stress (ICS) develops in coatings applied to a rigid substrates. During drying, volume changes due to solvent loss and/or cure induces stresses in the films. Differences in the thermal expansion coefficients of the coating and substrate also affect the ICS. ICS affects the interfacial adhesion and results in delamination once the stress exceeds the force of adhesion. To measure ICS, a coating is applied to a thin strip of stainless steel and placed into a cantilever deflection apparatus (CDA) and the deflection from the base of the CDA to the bottom of the substrate is measured and incorporated into Corcoran’s equation.

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Measurement of Internal Coating Stresses of MIL-PRF-23377 Top Coated with MIL-PRF-8528
Available for download

Measurement of Internal Coating Stresses of MIL-PRF-23377 Top Coated with MIL-PRF-8528

Product Number: 41216-954-SG
Author: Devin Clark, Richard C. Ferguson, James W. Rawlins
Publication Date: 2016
$20.00

Internal coatings stress (ICS) develops in coatings applied to a rigid substrates. During drying, volume changes due to solvent loss and/or cure induces stresses in the films. Differences in the thermal expansion coefficients of the coating and substrate also affect the ICS. ICS affects the interfacial adhesion and results in delamination once the stress exceeds the force of adhesion. 
Method for Measuring Energy Savings on Highly Reflective Coatings
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Method for Measuring Energy Savings on Highly Reflective Coatings

Product Number: 41215-886-SG
Author: Francisco Cortes, Pablo Aragón
Publication Date: 2015
$20.00

Real energy savings data for residential buildings is scarce and difficult to find. To address this concern, two identical houses were built in the outskirts of Monterrey, Mexico, where summer temperatures are usually very high (˜113°F). Energy consumptions using different waterproof coatings with different values of solar reflectance were evaluated. 
Methodology for Coated Infrastructure Inspection by Mobile Potentiostat
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Methodology for Coated Infrastructure Inspection by Mobile Potentiostat

Product Number: 41215-912-SG
Author: Bobbi Jo Merten, Susan Drozdz, Cassidy Gills, David Tordonato, Jeff Ryan
Publication Date: 2015
$20.00

A test methodology is shown for field application of electrochemical impedance spectroscopy (EIS). The method utilizes low-cost, accessible materials to secure a temporary solution cell to the infrastructure’s coated surface. A laptop computer provides the power source and operating system for the mobile potentiostat during EIS data collection. This data provides a quantitative measure of the coating condition. The objective of this work is to incorporate EIS testing into standard coatings inspection to estimate remaining service life for the intact coating, which improves coatings maintenance planning for facility owners. 
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