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Re-Evaluating Electrochemical Impedance Spectroscopy (EIS) for the Field Inspector’s Toolbox: A First Approach

Product Number: 41214-837-SG

Author: Bobbi Jo Merten, Allen Skaja, David Tordonato, Daryl Little

Publication Date: 2014

$20.00

Electrochemical Impedance Spectroscopy (EIS) has maintained a presence in protective coatings laboratories for decades. EIS is valuable in that it captures resistive and capacitive changes to a coating film as it is exposed to the environmental conditions that produce these changes, i.e., degradations. It also assists in ranking coating systems for their anticipated corrosion protection performance, complementing qualitative, visual observations.

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Refinement Of Citric Acid Passivation Methods And Comparison To Traditional Nitric Acid Based Chemistries

Product Number: 51322-17628-SG

Author: David G. Enos, Derek Wichhart

Publication Date: 2022

$20.00

Traditional solutions for the chemical passivation of stainless steel are nitric acid based, with the addition of sodium dichromate as an inhibitor for precipitation hardened and free machining stainless steels. These passivation chemistries are difficult to handle from an environmental health and safety point of view, particularly the dichromate inhibited versions. Citric acid passivation has been pursued as a replacement for both nitric acid and inhibited nitric acid based chemistries for many years, and has been incorporated into consensus specifications such as ASTM A967 and SAE AMS2700.

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Repainting Monumental Buildings

Product Number: 41206-246-SG

Author: Paul P. Greigger

Publication Date: 2006

$20.00

Metal curtain wall and extrusions in prominent office buildings may need to be repainted either because the original factory applied finishes have dulled or because the owner wants to give the building a fresh look. Many monumental buildings are constructed with factory painted aluminum or steel cladding (curtain wall) and window extrusions. These buildings need to be repainted with field applied coatings that match the appearance and durability of the factory finishes.

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Repair Coatings for TSA

Product Number: 51317--9369-SG

ISBN: 9369 2017 CP

Author: Ole Knudsen

Publication Date: 2017

$20.00

Thermally sprayed aluminium (TSA) has successfully been used for corrosion protection for several decades. In this investigation different repair coatings have been studied with respect to performance when applied on both TSA and bare steel.

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Replica Tape- A Source of New Surface Profile Information

Product Number: 41214-808-SG

Author: David Beamish

Publication Date: 2014

$20.00

Steel surfaces are frequently cleaned by abrasive impact prior to the application of protective coatings. The resultant surface profile, sometimes called an anchor pattern, is comprised of a complex pattern of peaks and valleys, which must be accurately assessed to ensure compliance with job or contract specifications.

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Replica Tape- Relating 3 Surface Profile Parameters to Pull-Off Adhesion

Product Number: 41215-878-SG

Author: David Beamish

Publication Date: 2015

$20.00

Steel surfaces are frequently cleaned by abrasive impact prior to the application of protective coatings. The resultant surface profile must be accurately assessed to ensure compliance with job or contract specifications. But is profile height alone (the most commonly measured parameter) a good indicator of long-term coating performance?

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Research On Cluster Well Group Casing Cathodic Protection For Field Test And Optimization Of Anode Bed

Product Number: 51322-17724-SG

Author: Dawei Zhuang, Qian Zhao, Yanxia Du, Xiaoyong Wang, Qiongwei Li

Publication Date: 2022

$20.00

Deep well casing is an important part of oilfield production. In the long service life of well casing, corrosion can result in wall thinning and even perforation of the casing due to contacting with soil, water and other naturally occurring substances within the formation. The most economic and effective method to decrease corrosion of well casing is cathodic protection (CP). However, the vertical depth of casing is several kilometers, and CP current requirements of casing in different layers are quite different. At the same time, the conductivity of different formations will affect the distribution of CP current.

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Resistance of U-bend and Integral Finned Duplex Stainless Steel UNS-S32205 and UNS-S32750 to Sulfide Stress Corrosion Cracking

Product Number: 51322-18038-SG

Author: Karen Picker, Luiza Esteves, Yong-Joo Kim

Publication Date: 2022

$20.00

The use of Duplex Stainless Steels (DSS) in refinery sour environments is governed by ANSI/NACE MR0103/ISO 17945NACE “Metallic materials resistant to sulfide stress cracking in corrosive petroleum refining environments” which limits DSS base materials to be used in Hydrogen Sulfide (H2S) services to a maximum hardness of 28 HRC for materials with a PREN ≤ 40 and to a maximum hardness of 32 HRC for those materials with PREN > 40.¹ These hardness values are in line with the hardness requirements of solution annealed as produced straight tubes, but when the heat exchanger design requires the use of integral finning or u-bend tubes, these are subject to significant work hardening that results in as bent and as finned heat exchanger tubes with hardness measurement as high as 418 HV0.5 or 35.6 HRC which clearly exceeds the allowable limits stated above.

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Restoration of Historic Architectural Tiffany Metalwork Relies on HighPerformance, Environmentally Safe Coating System for Long-Lasting Protection

Product Number: 41214-872-SG

Author: Kurt Wood, Vince Casmirri, Tami Lasseter Clare

Publication Date: 2014

$20.00

Caretakers of outdoor monuments, sculptures and high-value architectural metalwork face formidable preservation challenges. Durable, low-maintenance coatings are needed that provide longer-lasting protection against corrosion and degradation, while being safe for the environment. We describe work done in collaboration with conservators at the Philadelphia Museum of Art, and Portland State University, to develop water-based fluoropolymer coatings that meet the critical needs of the conservation and architectural communities.

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Resurrecting a Concrete Landmark

Product Number: 41215-896-SG

Author: Todd Gomez

Publication Date: 2015

$20.00

The spray-applied, two-component, ambient-cured polyurea, which features no VOC’s and low odor, can be applied at colder temperatures than current available coatings. This wider temperature application range extends the season for restoring outdoor concrete substrates. The technology provides quick dry times; leading to faster return-to-service and helping applicators and owners meet tight deadlines.

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Rethinking Sulfide Stress Cracking (SSC) Resistance Super Martensitic Stainless Steel (SMSS-13Cr) Bar Stock With 95 Ksi MY

Product Number: 51322-17614-SG

Author: Karthik Krishnan, Chad Glaesman

Publication Date: 2022

$20.00

13Cr-5Ni-2Mo type Super Martensitic stainless steels referred to as SMSS-13Cr type grades can provide good general corrosion resistance such as in high CO₂ environments combined with higher strengths and excellent toughness² making them a prospective material choice for long term downhole completion equipment depending on actual well conditions. One of the main limiting factors for the use of SMSS-13Cr type grades is the Sulfide Stress Cracking (SSC) resistance in presence of H₂S in downhole well conditions. Therefore, a good understanding of this behavior is essential to facilitate the material selection process.

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Review Of The State Of The Art Of Siliceous Scale Management In Industrial Systems

Product Number: 51322-17731-SG

Author: Peter G. Koutsoukos, Panagiota D. Natsi, Zahid Amjad

Publication Date: 2022

$20.00

Fouling of equipment surfaces by siliceous salts such as silica, metal silicates,
coprecipitated silica with mineral salts such as calcium carbonate, calcium sulfate, etc.,
is a serious challenge facing the technologists in the efficient operation of industrial
systems. Severe fouling at times results in premature expensive equipment replacement,
early shutdown, increase in operating pressure of pumps, and enhance the probability of
corrosion damage. In many cases, the removal of foulants leads to discontinuous
operation of the system, resulting in higher operating costs. In geothermal applications,
siliceous scale typically occurs when brine is cooled in the course of brine handling and
energy extraction.

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