Soluble Salt Opinions?

May 17, 2017
Elzly Technology Corporation is conducting a survey of coating inspectors on the detection and remediation of soluble salts. We invite all coating inspectors to participate in the survey. The survey should take most users 10-15 minutes to complete (dependent on the extent of experience with salt detection and remediation). The survey can be accessed at the following link:
Soluble Salt Survey

Elzly to Present at DoD Corrosion Conference

April 24, 2017
The Elzly team will be presenting several papers at the DoD - Allied Nations Technical Corrosion Conference in Birmingham, Alabama on August 7 - 10, 2017. We look forward to seeing you there!
2017 DOD - Allied Nations Technical Corrosion Conference

Join Elzly at MegaRust

April 24, 2017
The Elzly team will be presenting papers at MegaRust 2017. Join us in Newport News, VA from June 20-22, 2017 to discuss the latest in Navy corrosion control.
Mega Rust 2017

Technical Publications

Elzly Staff have published extensively during their professional careers. Following is a chronological list of technical papers published or presented by Elzly staff in a variety of subject areas. The search feature in the upper right corner of this page can be used to help you find exactly what you need. Most papers are available for download, however if the paper you are interested in is not available directly, feel free to contact us.

#6 - 10 of 51 total first | 1 2 3 4 5 6 7 8 9 10 11 | last
Title
Adhesion Criteria Between Water-Based Inorganic Zinc Coatings and their Topcoats for Steel
Abstract
This report presents the results of a test program designed to investigate, in the laboratory, possible causes for failure of water-based inorganic zinc (WBIOZ) coatings. Failures observed in the field have consisted of either topcoat delamination or the appearance of "freckle rusting" in the cured WBIOZ primer. There are many hypotheses regarding...
[view full abstract]
This report presents the results of a test program designed to investigate, in the laboratory, possible causes for failure of water-based inorganic zinc (WBIOZ) coatings. Failures observed in the field have consisted of either topcoat delamination or the appearance of "freckle rusting" in the cured WBIOZ primer. There are many hypotheses regarding the cause of these failures, but no sufficient explanation exists. Furthermore, there are no proven means to ensure that failures do not occur. The general consensus of the literature is that the failures relate to improper cure of the WBIOZ primer. This improper curing is further hypothesized to relate to environmental conditions. The project initially focused on identifying what relationship, if any, existed between environmental conditions and the observed failure modes. Since a definitive relationship did not exist, further testing was conducted to investigate the effects of substrate salt contamination, improper zinc content in the mixed coating and the effects of rinsing the primer before topcoating. This report presents the more practical results of the study. It demonstrates that environmental conditions may be a contributing cause of the failures but are not the primary cause. Substrate salt contamination and improper mixing of the coating were shown to cause freckle rusting. Acrylic topcoat delamination was related to residual alkaline compounds on the primer surface. The surface pH was reduced by applying a dilute acid solution or by weathering for 2 weeks in a northeastern marine atmosphere. Additional ways of reducing the surface pH (weathering or otherwise) should be investigated.
Author
J. P. Ault, P.E., PCS and C. L. Farschon, P.E.
Source
FHWA-RD-98-170, 2E4A, Final Report, Mar. 1999
Title
Allowable Soluble Salt Contamination Levels for Industrial Painting
Abstract
Visual evaluation of surface preparation quality is insufficient for predicting coating system performance. Dehumidification to control flash rusting can mask problem surface contamination.
Author
James A. Ellor, P.E. and Christopher L. Farschon
Source
SSPC
Title
Application and Performance of Thermally Sprayed Aluminum and Zinc on Steel
Abstract
This program evaluated various surface preparation and application parameters of thermally sprayed metallic coatings (TSMC) on carbon steel with respect to the general and corrosion performance of these TSMC materials. This work was performed for the National Cooperative Highway Research Program (NCHRP) in support of the development of an American ...
[view full abstract]
This program evaluated various surface preparation and application parameters of thermally sprayed metallic coatings (TSMC) on carbon steel with respect to the general and corrosion performance of these TSMC materials. This work was performed for the National Cooperative Highway Research Program (NCHRP) in support of the development of an American Association of State Highway and Transportation Officials (AASHTO) guide for the application of TSMC to steel sheet pile structures. This program investigated how variations within the application process for TSMC affect performance. Specifically these were: grit blast media, surface profile, edge effects, complex geometry, surface contamination, angle of application (gun angle) and distance of application (standoff). These variables were compared to the general and corrosion performance of the test samples. General performance evaluated: adhesion, flexibility, edge retention, impact resistance, microstructure analysis and sealer coverage. Corrosion performance evaluated the degradation of the TSMC and substrate in constant and cyclic seawater immersion. This paper will discuss the preparation techniques used to create test samples, their performance in the general and corrosion testing and demonstrate correlations between sample performance and preparation variable(s).
Author
Walter T. Young, P.E., John Repp, P.E.
Title
Applying Linings to Concrete Surfaces in Water and Wastewater Management
Abstract
The use of linings to rehabilitate concrete surfaces in water and wastewater environments has been increasing. This paper discusses the basics of concrete, concrete deterioration, and subsequent rehabilitation options, with an emphasis on coatings.
Author
J. P. Ault, P.E., PCS, T. K. Greenfield, PCS, and S. Hosein, M.S.
Source
Corrpro Companies, Inc.
Title
Buried Permanent Reference Cell Performance Testing - An Engineered Approach to Evaluation
Abstract
Permanent reference cells have been used for many years to monitor buried structures susceptible to corrosive elements. These reference cells were typically bagged with a backfill material that made the cells bulky. Several new reference cells have emerged with the advantages of smaller size and apparent longer life. There are currently no industry...
[view full abstract]
Permanent reference cells have been used for many years to monitor buried structures susceptible to corrosive elements. These reference cells were typically bagged with a backfill material that made the cells bulky. Several new reference cells have emerged with the advantages of smaller size and apparent longer life. There are currently no industry-standard techniques to evaluate the long-term performance of permanent reference cells for direct-burial applications. Acceptable test methods could assist the engineer in product evaluation, qualification testing and quality assurance testing. Recent in-house testing by some manufacturers has led to the formation of a NACE Technical Exchange Group. This article presents the results of one company's test program.
Author
J. P. Ault, P.E., PCS
Source
Materials Performance, March 2001
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