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Submerged arc welding (SAW) – Definition

January 16, 2018 by Mariano Iannuzzi

This post defines submerged arc welding process and includes a very instructive video that explains the process in detail.

Filed Under: Definitions, Manufacturing, Videos, Welding Tagged With: definition, nickel alloys, SAW, stainless steel, Submerged arc welding, welding

Anodic polarization curves UNS N07718 (140K) in 3.5% NaCl

November 11, 2017 by Mariano Iannuzzi

This post illustrates three cyclic anodic polarization curves of the precipitation hardening nickel alloy (PHNA) UNS N07718 —with a Specified Minimum Yield Strength of 140 ksi— in 3.5 wt% NaCl (pH 8.0).

Filed Under: OpenLab! Tagged With: anodic polarization, localized corrosion, na718, nickel alloys, polarization curves

Anodic polarization curves UNS N07718 (120K) in 3.5% NaCl

November 10, 2017 by Mariano Iannuzzi

This post illustrates three cyclic anodic polarization curves of the precipitation hardening nickel alloy (PHNA) UNS N07718 —with a Specified Minimum Yield Strength of 120 ksi— in 3.5 wt% NaCl (pH 8.0).

Filed Under: OpenLab! Tagged With: anodic polarization, localized corrosion, na718, nickel alloys, polarization curves

Anodic polarization curves UNS N07718 (mill annealed) in 3.5% NaCl

September 15, 2017 by Mariano Iannuzzi

This post illustrates three cyclic anodic polarization curves of the precipitation hardening nickel alloy (PHNA) UNS N07718 —mill annealed— in 3.5 wt% NaCl (pH 8.0).

Filed Under: OpenLab! Tagged With: anodic polarization, localized corrosion, na718, nickel alloys, polarization curves

Unusual Correlation between SKPFM and Corrosion of Nickel Aluminum Bronzes – Publication

September 11, 2017 by Mariano Iannuzzi

In this article, we investigate the inverse correlation between Volta potentials measured by SKPFM and the observed localized corrosion morphology of NAB.

Filed Under: Journal Articles, Localized corrosion, Nickel aluminum bronze, Physical Metallurgy Tagged With: afm, atomic force microscopy, localized corrosion, marine corrosion, nab, nickel aluminum bronze, selective dissolution, skpfm, surface potential, Volta potential

Materials and corrosion trends in offshore and subsea oil and gas production – Publication

August 8, 2017 by Mariano Iannuzzi

In this article, we discuss materials and corrosion research topics that could have a transformative effect on the business. In particular, we discuss how scientists and engineers could push the boundaries of existing technologies, learning from the experience gained by other industries such as the nuclear, aerospace, and defense sectors.

Filed Under: Hydrogen Embrittlement, Journal Articles, Nickel Alloys, Stainless steels, Stress corrosion cracking, Sulfide Stress Cracking Tagged With: corrosion resistant alloys, hydrogen, Hydrogen Stress Cracking, localized corrosion, materials selection, nanoindentation, oil & gas, sour service

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