Atom-probe study of Cu and NiAl nanoscale precipitation and interfacial segregation in a nanoparticle-strengthened steel

Jiao, Z. B.; Luan, J. H.; Guo, W.; Poplawsky, J. D.; Liu, C. T.

doi:10.1080/21663831.2017.1364675

Title: Atom-probe study of Cu and NiAl nanoscale precipitation and interfacial segregation in a nanoparticle-strengthened steel

Abstract

The Cu and NiAl nanoscale precipitation and interfacial segregation in the martensite and austenite phases within a high-strength steel were studied by atom-probe tomography (APT). In the martensite phase, APT reveals the precipitation of isolated NiAl nanoparticles and NiAl/Cu co-precipitates, indicating that NiAl nanoparticles form first in the precipitation sequence. In comparison, the austenite phase contains only Cu nanoparticles with Ni segregation at the particle/matrix interface, in which the Ni segregation reduces the Cu nanoparticle interfacial energy. In addition, Mn and C exhibit an enrichment at the martensite/austenite interface, and the mechanism for the interfacial segregation was also discussed.

Authors:

Jiao, Z. B. ^[1]; Luan, J. H. ^[2]; Guo, W. ^[3]; Poplawsky, J. D. ^[3]; Liu, C. T. ^[2]

City Univ. of Hong Kong (China). Center for Advanced Structural Materials. Dept. of Mechanical and Biomedical Engineering. College of Science and Engineering; The Hong Kong Polytechnic Univ. (China). Dept. of Mechanical Engineering
City Univ. of Hong Kong (China). Center for Advanced Structural Materials. Dept. of Mechanical and Biomedical Engineering. College of Science and Engineering
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences

Publication Date:: Mon Aug 14 00:00:00 EDT 2017

Research Org.:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); City Univ. of Hong Kong (China)

Sponsoring Org.:: USDOE Office of Science (SC); City Univ. of Hong Kong (China); General Research Fund, Hong Kong (China); Collaborative Research Fund, Hong Kong (China); Research Grant Council, Hong Kong (China)

OSTI Identifier:: 1474732

Grant/Contract Number:: AC05-00OR22725; 7004686; CityU11205515; C1027-14E

Resource Type:: Accepted Manuscript

Journal Name:: Materials Research Letters

Additional Journal Information:: Journal Volume: 5; Journal Issue: 8; Journal ID: ISSN 2166-3831

Publisher:: Taylor and Francis

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Cu and NiAl precipitate; nanoscale precipitation; interfacial segregation; high-strength steel; atom-probe tomography

Citation Formats


                    Jiao, Z. B., Luan, J. H., Guo, W., Poplawsky, J. D., and Liu, C. T. Atom-probe study of Cu and NiAl nanoscale precipitation and interfacial segregation in a nanoparticle-strengthened steel.  United States: N. p., 2017. 
Web.  doi:10.1080/21663831.2017.1364675.

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                    Jiao, Z. B., Luan, J. H., Guo, W., Poplawsky, J. D., & Liu, C. T. Atom-probe study of Cu and NiAl nanoscale precipitation and interfacial segregation in a nanoparticle-strengthened steel.  United States.  https://doi.org/10.1080/21663831.2017.1364675

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                    Jiao, Z. B., Luan, J. H., Guo, W., Poplawsky, J. D., and Liu, C. T. Mon .  
"Atom-probe study of Cu and NiAl nanoscale precipitation and interfacial segregation in a nanoparticle-strengthened steel".  United States.  https://doi.org/10.1080/21663831.2017.1364675.  https://www.osti.gov/servlets/purl/1474732.

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@article{osti_1474732,

  title        = {Atom-probe study of Cu and NiAl nanoscale precipitation and interfacial segregation in a nanoparticle-strengthened steel},

  author       = {Jiao, Z. B. and Luan, J. H. and Guo, W. and Poplawsky, J. D. and Liu, C. T.},

  abstractNote = {The Cu and NiAl nanoscale precipitation and interfacial segregation in the martensite and austenite phases within a high-strength steel were studied by atom-probe tomography (APT). In the martensite phase, APT reveals the precipitation of isolated NiAl nanoparticles and NiAl/Cu co-precipitates, indicating that NiAl nanoparticles form first in the precipitation sequence. In comparison, the austenite phase contains only Cu nanoparticles with Ni segregation at the particle/matrix interface, in which the Ni segregation reduces the Cu nanoparticle interfacial energy. In addition, Mn and C exhibit an enrichment at the martensite/austenite interface, and the mechanism for the interfacial segregation was also discussed.},

  doi          = {10.1080/21663831.2017.1364675},

  journal      = {Materials Research Letters},

  number       = 8,

  volume       = 5,

  place        = {United States},

  year         = {Mon Aug 14 00:00:00 EDT 2017},

  month        = {Mon Aug 14 00:00:00 EDT 2017}

}

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Title: Atom-probe study of Cu and NiAl nanoscale precipitation and interfacial segregation in a nanoparticle-strengthened steel

Abstract

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journal, January 2019

Precipitation kinetics and mechanical properties of nanostructured steels with Mo additions
journal, March 2020

Effect of Ni addition on precipitation strengthening of Cu-rich precipitates in Fe-Cu-Mn alloy
journal, August 2019

Kinetics of Early Decomposition Stages in Diluted bcc Fe–Сu–Ni–Al Alloy: MC+MD Simulation
journal, April 2019

Precipitation kinetics and mechanical properties of nanostructured steels with Mo additions
text, January 2020

Precipitation kinetics and mechanical properties of nanostructured steels with Mo additions
text, January 2020

Ti2NiCoSnSb - a new half-Heusler type high-entropy alloy showing simultaneous increase in Seebeck coefficient and electrical conductivity for thermoelectric applications
journal, March 2019