Creep Behavior at 500 °C of %Cr-0.5Mo Steel

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Abstract

The creep strength of 5Cr-0.5Mo steel was determined at 600 °C and 78–170 MPa, as well as its relation to the microstructural changes during the creep tests. The microstructural characterization showed that the creep tests were conducted under the presence of a mixture of both intergranular and intragranular M7C3 and M23C6 carbides dispersed in the ferrite matrix. The n exponent of Norton–Bailey law suggested that the creep deformation process occurred through the ferrite grains, which conducted to a transgranular ductile- fracture mode after creep testing. The creep strength of this steel is directly related to the precipitation size and volume fraction during the creep test.

Original languageEnglish
Title of host publicationCharacterization of Minerals, Metals, and Materials 2023
EditorsMingming Zhang, Zhiwei Peng, Bowen Li, Jiann-Yang Hwang, Sergio Neves Monteiro, Rajiv Soman, Yunus Eren Kalay, Juan P. Escobedo-Diaz, John S. Carpenter, Andrew D. Brown, Shadia Ikhmayies
PublisherSpringer Science and Business Media Deutschland GmbH
Pages329-338
Number of pages10
ISBN (Print)9783031225758
DOIs
StatePublished - 2023
EventCharacterization of Minerals, Metals, and Materials Symposium, held at the TMS Annual Meeting and Exhibition, TMS 2023 - San Diego, United States
Duration: 19 Mar 202323 Mar 2023

Publication series

NameMinerals, Metals and Materials Series
ISSN (Print)2367-1181
ISSN (Electronic)2367-1696

Conference

ConferenceCharacterization of Minerals, Metals, and Materials Symposium, held at the TMS Annual Meeting and Exhibition, TMS 2023
Country/TerritoryUnited States
CitySan Diego
Period19/03/2323/03/23

Keywords

  • 5Cr-0.5Mo steel
  • Creep properties
  • Microstructure evolution
  • Thermo-Calc

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