PropertyValue
?:abstract
  • This paper reports the effect of post-heat treatment (PHT) on laser-deposited WxC + Ni-based composite thin walls. The PHT at 700, 800, and 900 °C was conducted to modify the microstructure and mechanical properties of the composite. The results showed that the as-deposited composite had a weak flexural strength and plasticity due to the brittle nature of the eutectic phase. The eutectic phase consisted of M(7)C(3), M(2)C, and a small amount of the γ phase. However, after PHT at a certain temperature (e.g., 700 or 800 °C), the eutectic phase gradually disappeared, and carbides, such as M(7)C(3) and M(2)C, tended to be distributed uniformly in the γ matrix, which improved the flexural strength of the composite. Nevertheless, after the PHT at 900 °C, the flexural strength of the composite displayed a downward trend, which was mainly because of the severe softening of the γ phase. In addition, the plasticity of this composite continuously improved as the eutectic phase disappeared and the γ phase softened. Based on the above results, we proposed a PHT at 800 °C for 1 h as an optimal process for this WxC + Ni-based composite.
is ?:annotates of
?:creator
?:doi
?:doi
  • 10.1007/s11665-020-05346-z
?:journal
  • J_Mater_Eng_Perform
?:license
  • no-cc
?:pdf_json_files
  • document_parses/pdf_json/ca6c6442847a816c0d08a6cda2b89c0753f5f0d7.json
?:pmc_json_files
  • document_parses/pmc_json/PMC7684851.xml.json
?:pmcid
?:pmid
?:pmid
  • 33250626.0
?:publication_isRelatedTo_Disease
?:sha_id
?:source
  • Medline; PMC
?:title
  • Effect of Post-Heat Treatment on the Microstructure and Mechanical Properties of Laser-Deposited WxC + Ni-Based Composite Thin Walls
?:type
?:year
  • 2020-11-24

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