Thermal aging behavior of ERNiCr-3 alloy (weld and base metal)

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The nickel-base filler metal alloy ERNiCr-3, containing nominally 67% Ni, 20% Cr, 3% Fe, 3% Mn, and 2.5% Nb, is used widely to make welds for elevated-temperature service. To determine the effect of elevated temperature on tensile and creep-rupture properties of ERNiCr-3, weld metal specimens were thermally aged to 10,000 h at 510/sup 0/C, to 15,000 h at 566/sup 0/C, and to 1000 h at 677/sup 0/C. Wrought ERNiCr-3 was also aged at 566 and 677/sup 0/C. The 0.2% yield strength of the ERNiCr-3 weld metal increased with thermal aging time at 510 and 566/sup 0/C. The ultimate tensile strength ... continued below

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Pages: 36

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Klueh, R.L. & King, J.F. August 1, 1981.

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Description

The nickel-base filler metal alloy ERNiCr-3, containing nominally 67% Ni, 20% Cr, 3% Fe, 3% Mn, and 2.5% Nb, is used widely to make welds for elevated-temperature service. To determine the effect of elevated temperature on tensile and creep-rupture properties of ERNiCr-3, weld metal specimens were thermally aged to 10,000 h at 510/sup 0/C, to 15,000 h at 566/sup 0/C, and to 1000 h at 677/sup 0/C. Wrought ERNiCr-3 was also aged at 566 and 677/sup 0/C. The 0.2% yield strength of the ERNiCr-3 weld metal increased with thermal aging time at 510 and 566/sup 0/C. The ultimate tensile strength also increased continuously with aging time at 566/sup 0/C, whereas at 510/sup 0/C, it went through a maximum (the strength of the material aged 10,000 h was less than was that aged 5000 h).

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Pages: 36

Notes

NTIS, PC A03/MF A01.

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  • Other: DE81027047
  • Report No.: ORNL-5783
  • Grant Number: W-7405-ENG-26
  • DOI: 10.2172/6129420 | External Link
  • Office of Scientific & Technical Information Report Number: 6129420
  • Archival Resource Key: ark:/67531/metadc1113151

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  • August 1, 1981

Added to The UNT Digital Library

  • Feb. 22, 2018, 7:45 p.m.

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  • May 23, 2018, 1:27 p.m.

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Klueh, R.L. & King, J.F. Thermal aging behavior of ERNiCr-3 alloy (weld and base metal), report, August 1, 1981; Tennessee. (digital.library.unt.edu/ark:/67531/metadc1113151/: accessed October 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.