Iron-Based Amorphous Coatings Produced by HVOF Thermal Spray Processing-Coating Structure and Properties

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The feasibility to coat large SNF/HLW containers with a structurally amorphous material (SAM) was demonstrated on sub-scale models fabricated from Type 316L stainless steel. The sub-scale model were coated with SAM 1651 material using kerosene high velocity oxygen fuel (HVOF) torch to thicknesses ranging from 1 mm to 2 mm. The process parameters such as standoff distance, oxygen flow, and kerosene flow, were optimized in order to improve the corrosion properties of the coatings. Testing in an electrochemical cell and long-term exposure to a salt spray environment were used to guide the selection of process parameters.

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Beardsley, M B March 26, 2008.

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Description

The feasibility to coat large SNF/HLW containers with a structurally amorphous material (SAM) was demonstrated on sub-scale models fabricated from Type 316L stainless steel. The sub-scale model were coated with SAM 1651 material using kerosene high velocity oxygen fuel (HVOF) torch to thicknesses ranging from 1 mm to 2 mm. The process parameters such as standoff distance, oxygen flow, and kerosene flow, were optimized in order to improve the corrosion properties of the coatings. Testing in an electrochemical cell and long-term exposure to a salt spray environment were used to guide the selection of process parameters.

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PDF-file: 20 pages; size: 4.2 Mbytes

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  • Journal Name: Metallurgical and Materials Transactions , vol. 40A, no. 6, June 1, 2009, pp. 1; Journal Volume: 40; Journal Issue: 6

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  • Report No.: LLNL-JRNL-402708
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 1019067
  • Archival Resource Key: ark:/67531/metadc839938

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  • March 26, 2008

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • Nov. 29, 2016, 4:32 p.m.

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Beardsley, M B. Iron-Based Amorphous Coatings Produced by HVOF Thermal Spray Processing-Coating Structure and Properties, article, March 26, 2008; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc839938/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.