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Products tagged with 'nickle-base alloys'

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Picture for Welding Metallurgy and Weld Metal Properties of UNS N07022 Alloy
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51318-11165-Welding Metallurgy and Weld Metal Properties of UNS N07022 Alloy

Product Number: 51318-11165-SG
Author: Jeremy L. Caron / Ed L. Hibner
Publication Date: 2018
$20.00

The focus of this paper is the welding metallurgy and weld metal properties of N07022 alloy. Evaluation of the N07022 weld metal microstructure will be discussed. Sour gas testing of N07022 weld overlay material will be highlighted. Mechanical properties will be presented.

 
Picture for Cyclic Oxidation Behavior of Ni-Cr Alloys in Wet Air
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51318-11233-Cyclic Oxidation Behavior of Ni-Cr Alloys in Wet Air

Product Number: 51318-11233-SG
Author: Jiheon Jun / Dongwon Shin / Sebastien Dryepondt, / J. Allen Haynes / Bruce A. Pint
Publication Date: 2018
$20.00

Both commercial and model Ni-based alloys were tested in 1-h cycles at 800-950°C in wet air, and the oxide scales formed on wrought Ni-(14-25)wt%Cr binary alloys were characterized.
Picture for Effect Of Chromium Dilution On SCC Growth Rate In Inconel Welds
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Effect Of Chromium Dilution On SCC Growth Rate In Inconel Welds

Product Number: ED22-17109-SG
Author: Ainsley Pinkowitz, David S. Morton, Tyler E. Moss, John V. Mullen
Publication Date: 2022
$20.00

Naval Nuclear Laboratory has developed Alloy 52i, a high chromium (~27 wt%) weld metal that can be welded onto Alloy 600, Alloy 625, or Alloy 690 wrought material. Alloy 52i by itself has shown to be very resistant to SCC in deaerated pure water. However, there is a concern when welding Alloy 52i onto the more SCC susceptible Alloy 82H or Alloy 600 that the first weld bead would be chromium diluted by the mixing with the lower-chromium base metal. This lower chromium level may lead to higher SCC susceptibility than the surrounding weld metal, since chromium content has shown a correlation with nickel alloy SCC susceptibility. In commercial nuclear power applications, many plant components are limited by SCC propagation in welded components within the weld metal; this test program seeks to understand which weld combinations, with respect to chromium concentration, may yield deleterious SCC properties for improved lifetime of plant components.
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