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Creep rupture properties under varying load/temperature conditions on a nickel-base heat-resistant alloy strengthened by boron addition

Technical Report:

Abstract

A series of constant load and temperature creep rupture tests and varying load and temperature creep rupture tests was carried out on Hastelloy XR whose boron content level is 60 mass ppm at 900 and 1000degC in order to examine the behavior of the alloy under varying load and temperature conditions. The life fraction rule completely fails in the prediction of the creep rupture life under varying load and temperature conditions though the rule shows good applicability for Hastelloy XR whose boron content level is below 10 mass ppm. The modified life fraction rule has been proposed based on the dependence of the creep rupture strength on the born content level of the alloy. The modified rule successfully predicts the creep rupture life under the test conditions from 1000degC to 900degC. The trend observed in the tests from 900degC to 1000degC can be qualitatively explained by the mechanism that the oxide film which is formed during the prior exposure to 900degC plays the role of the protective barrier against the boron dissipation into the environment. (author).
Authors:
Tsuji, Hirokazu; Nakajima, Hajime; [1]  Tanabe, Tatsuhiko
  1. Japan Atomic Energy Research Inst., Tokai, Ibaraki (Japan). Tokai Research Establishment
Publication Date:
Sep 01, 1993
Product Type:
Technical Report
Report Number:
JAERI-M-93-173
Reference Number:
SCA: 360103; PA: JPN-93:011181; EDB-94:013260; ERA-19:004449; NTS-94:014125; SN: 93001119397
Resource Relation:
Other Information: PBD: Sep 1993
Subject:
36 MATERIALS SCIENCE; ALLOY-NI50CR22FE18MO9; FRACTURE PROPERTIES; REACTOR MATERIALS; HTTR REACTOR; PRIMARY COOLANT CIRCUITS; CREEP; STRESSES; TEMPERATURE DEPENDENCE; BORON ADDITIONS; HELIUM; TEMPERATURE RANGE 1000-4000 K; 360103; MECHANICAL PROPERTIES
OSTI ID:
10110135
Research Organizations:
Japan Atomic Energy Research Inst., Tokyo (Japan)
Country of Origin:
Japan
Language:
English
Other Identifying Numbers:
Other: ON: DE94727594; TRN: JP9311181
Availability:
OSTI; NTIS; INIS
Submitting Site:
JPN
Size:
26 p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Tsuji, Hirokazu, Nakajima, Hajime, and Tanabe, Tatsuhiko. Creep rupture properties under varying load/temperature conditions on a nickel-base heat-resistant alloy strengthened by boron addition. Japan: N. p., 1993. Web.
Tsuji, Hirokazu, Nakajima, Hajime, & Tanabe, Tatsuhiko. Creep rupture properties under varying load/temperature conditions on a nickel-base heat-resistant alloy strengthened by boron addition. Japan.
Tsuji, Hirokazu, Nakajima, Hajime, and Tanabe, Tatsuhiko. 1993. "Creep rupture properties under varying load/temperature conditions on a nickel-base heat-resistant alloy strengthened by boron addition." Japan.
@misc{etde_10110135,
title = {Creep rupture properties under varying load/temperature conditions on a nickel-base heat-resistant alloy strengthened by boron addition}
author = {Tsuji, Hirokazu, Nakajima, Hajime, and Tanabe, Tatsuhiko}
abstractNote = {A series of constant load and temperature creep rupture tests and varying load and temperature creep rupture tests was carried out on Hastelloy XR whose boron content level is 60 mass ppm at 900 and 1000degC in order to examine the behavior of the alloy under varying load and temperature conditions. The life fraction rule completely fails in the prediction of the creep rupture life under varying load and temperature conditions though the rule shows good applicability for Hastelloy XR whose boron content level is below 10 mass ppm. The modified life fraction rule has been proposed based on the dependence of the creep rupture strength on the born content level of the alloy. The modified rule successfully predicts the creep rupture life under the test conditions from 1000degC to 900degC. The trend observed in the tests from 900degC to 1000degC can be qualitatively explained by the mechanism that the oxide film which is formed during the prior exposure to 900degC plays the role of the protective barrier against the boron dissipation into the environment. (author).}
place = {Japan}
year = {1993}
month = {Sep}
}