Research on a Surface Shot Peeling Process for Increasing the Anti-Oxidation Property of Super304H Steel in High-Temperature Steam

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

4 Scopus citations

Abstract

At present, the superheater and reheater pipes in supercritical and ultra-supercritical boilers have encountered with widespread problems of high temperature steam oxidation, seriously affecting the operation safety and economy of the power generation unit. After several tests and contrastive analysis on the main chemical composition and microstructure of specimens before and after shot peening treatment, this paper developed a set of detailed surface shot peening process with specific process parameters, and finds that for the Super304H oxide film, the relative content of Cr element increases by shot peening treatment, with the relative Cr content of the treated specimen being 2.65% higher than that of the untreated, displaying that the anti-oxidation properties of high chromium austenitic steels in high temperature steam is effectively increased.

Original languageEnglish
Title of host publicationMaterials Science, Environment Protection and Applied Research
PublisherTrans Tech Publications
Pages77-80
Number of pages4
ISBN (Print)9783038350644
DOIs
StatePublished - 2014
Event2nd International Conference on Environmental Science and Material Application, ESME 2014 - Wuhan, China
Duration: 22 Mar 201423 Mar 2014

Publication series

NameAdvanced Materials Research
Volume908
ISSN (Print)1022-6680

Conference

Conference2nd International Conference on Environmental Science and Material Application, ESME 2014
Country/TerritoryChina
CityWuhan
Period22/03/1423/03/14

Keywords

  • Anti-oxidation property
  • High temperature steam
  • Shot peening process
  • Super304H steel

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