Effects of rare earth metal Ce additions on the 1150°C isothermal oxidation behavior of Ni-20Cr alloy

Hong Qiang Nan, Jin Shan Li, Rui Hu, Liang Yuan, Hong Chao Kou, Tie Bang Zhang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

Isothermal oxidation behavior was investigated for Ni-20Cr alloy with addition of different Ce 0 (wt)%, 0.042(wt)% and 0.094(wt)% at 1150°C for 100h.The surface and cross-section microstructures of the oxide scales were analyzed by EPMA (Eelectron Probe Micro-Analysis). The addition of Ce in Ni-20Cr alloy may improved the cohesion between the matrix and the oxide scales significantly and increased the oxidation resistance of Ni-20Cr alloy. Compared with 0 (wt)%Ce and 0.042(wt)% Ce in Ni-20Cr alloys, the oxide scales on Ni-20Cr alloy with addition of 0.094(wt)% Ce showed compact, which limited the internal oxidation.The cross-section microstructure of oxide scales presented three complicated oxide layers, which were Cr2O3, SiO2 and Al2O3 from the oxide scales to the matrix.

Original languageEnglish
Title of host publicationMaterials in Industry and Nanotechnology
Pages23-27
Number of pages5
DOIs
StatePublished - 2013
Event2013 2nd International Conference on Function Materials and Nanotechnology, FMN2013 - Nanchang, China
Duration: 13 Jul 201314 Jul 2013

Publication series

NameAdvanced Materials Research
Volume771
ISSN (Print)1022-6680

Conference

Conference2013 2nd International Conference on Function Materials and Nanotechnology, FMN2013
Country/TerritoryChina
CityNanchang
Period13/07/1314/07/13

Keywords

  • Ce element
  • Isothermal oxidation behavior
  • Ni-20Cr alloy
  • Oxide scale

Fingerprint

Dive into the research topics of 'Effects of rare earth metal Ce additions on the 1150°C isothermal oxidation behavior of Ni-20Cr alloy'. Together they form a unique fingerprint.

Cite this