Effect of High Temperature Aging on the Corrosion Resistance of Iron Based Amorphous Alloys

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Iron-based amorphous alloys can be more resistant to corrosion than polycrystalline materials of similar compositions. However, when the amorphous alloys are exposed to high temperatures they may recrystallize (or devitrify) thus losing their resistance to corrosion. Four different types of amorphous alloys melt spun ribbon specimens were exposed to several temperatures for short periods of time. The resulting corrosion resistance was evaluated in seawater at 90 C and compared with the as-prepared ribbons. Results show that the amorphous alloys can be exposed to 600 C for 1-hr. without losing the corrosion resistance; however, when the ribbons were exposed at 800 ... continued below

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Day, S D; Haslam, J J; Farmer, J C & Rebak, R B August 10, 2007.

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Iron-based amorphous alloys can be more resistant to corrosion than polycrystalline materials of similar compositions. However, when the amorphous alloys are exposed to high temperatures they may recrystallize (or devitrify) thus losing their resistance to corrosion. Four different types of amorphous alloys melt spun ribbon specimens were exposed to several temperatures for short periods of time. The resulting corrosion resistance was evaluated in seawater at 90 C and compared with the as-prepared ribbons. Results show that the amorphous alloys can be exposed to 600 C for 1-hr. without losing the corrosion resistance; however, when the ribbons were exposed at 800 C for 1-hr. their localized corrosion resistance decreased significantly.

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PDF-file: 15 pages; size: 0.5 Mbytes

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  • Presented at: Materials Science and Technology 2007 (MS&T'07), Detroit, MI, United States, Sep 16 - Sep 20, 2007

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  • Report No.: UCRL-CONF-233638
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 924603
  • Archival Resource Key: ark:/67531/metadc898029

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  • August 10, 2007

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  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 7, 2016, 10:57 a.m.

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Day, S D; Haslam, J J; Farmer, J C & Rebak, R B. Effect of High Temperature Aging on the Corrosion Resistance of Iron Based Amorphous Alloys, article, August 10, 2007; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc898029/: accessed September 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.