View in EDS HTML Full Text PDF Full Text

Effect of Tempering Temperature on Mechanical Properties of 45CrNiMoVA Steel.

Saved in:
Bibliographic Details
Title: Effect of Tempering Temperature on Mechanical Properties of 45CrNiMoVA Steel.
Authors: Li, Haodi1 (AUTHOR), Lu, Shumeng2 (AUTHOR), Wang, Shuye2 (AUTHOR), Zheng, Shanju2 (AUTHOR) zhengshanju1@163.com, Zhou, Liexing2 (AUTHOR) zhouliexing@163.com, Li, Mengnie2 (AUTHOR) limengnie@kust.edu.cn
Source: Steel Research International. Dec2025, Vol. 96 Issue 12, p115-125. 11p.
Subjects: Heat treatment, Tempering, Strength of materials, Low alloy steel, Microstructure, Mechanical behavior of materials, Fracture mechanics, Ultimate strength
Abstract: The microstructure of low‐alloy ultra‐high strength steel after heat treatment plays a decisive role in mechanical properties. This paper systematically investigates the influence of tempering temperature on the microstructure evolution and mechanical properties of 45CrNiMoVA steel. Through tempering at different temperatures (300–550 °C), combined with microstructure characterization, fracture analysis, and mechanical property testing, the correlation mechanism between tempering temperature and material strength, toughness, and fracture behavior are revealed. The results show that when tempered at 300–430 °C, the decomposition of retained austenite and the dispersed precipitation of carbides lead to an increase in hardness. At 460 °C tempering, the microstructure uniformity is the best, the proportion of lath martensite is the highest, the carbide distribution is uniform, and the comprehensive mechanical properties are the best (tensile strength 1470 MPa, impact energy 47 J). Tempering at 550 °C promotes the coarsening of carbides and the formation of tempered sorbite, resulting in a significant decrease in material strength. The secondary tempering process further optimizes the microstructure uniformity and significantly increases the elongation (about 25% increase). The influence of secondary tempering on 45CrNiMoVA steel was studied for the first time. The research results provide a basis for optimizing the heat treatment process of 45CrNiMoVA steel. [ABSTRACT FROM AUTHOR]
Copyright of Steel Research International is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
Full text is not displayed to guests.
FullText Links:
  – Type: pdflink
Text:
  Availability: 1
Header DbId: egs
DbLabel: Engineering Source
An: 190792957
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
Items – Name: Title
  Label: Title
  Group: Ti
  Data: Effect of Tempering Temperature on Mechanical Properties of 45CrNiMoVA Steel.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Li%2C+Haodi%22">Li, Haodi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lu%2C+Shumeng%22">Lu, Shumeng</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Shuye%22">Wang, Shuye</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zheng%2C+Shanju%22">Zheng, Shanju</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> zhengshanju1@163.com</i><br /><searchLink fieldCode="AR" term="%22Zhou%2C+Liexing%22">Zhou, Liexing</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> zhouliexing@163.com</i><br /><searchLink fieldCode="AR" term="%22Li%2C+Mengnie%22">Li, Mengnie</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> limengnie@kust.edu.cn</i>
– Name: TitleSource
  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Steel+Research+International%22">Steel Research International</searchLink>. Dec2025, Vol. 96 Issue 12, p115-125. 11p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Heat+treatment%22">Heat treatment</searchLink><br /><searchLink fieldCode="DE" term="%22Tempering%22">Tempering</searchLink><br /><searchLink fieldCode="DE" term="%22Strength+of+materials%22">Strength of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Low+alloy+steel%22">Low alloy steel</searchLink><br /><searchLink fieldCode="DE" term="%22Microstructure%22">Microstructure</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+behavior+of+materials%22">Mechanical behavior of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Fracture+mechanics%22">Fracture mechanics</searchLink><br /><searchLink fieldCode="DE" term="%22Ultimate+strength%22">Ultimate strength</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The microstructure of low‐alloy ultra‐high strength steel after heat treatment plays a decisive role in mechanical properties. This paper systematically investigates the influence of tempering temperature on the microstructure evolution and mechanical properties of 45CrNiMoVA steel. Through tempering at different temperatures (300–550 °C), combined with microstructure characterization, fracture analysis, and mechanical property testing, the correlation mechanism between tempering temperature and material strength, toughness, and fracture behavior are revealed. The results show that when tempered at 300–430 °C, the decomposition of retained austenite and the dispersed precipitation of carbides lead to an increase in hardness. At 460 °C tempering, the microstructure uniformity is the best, the proportion of lath martensite is the highest, the carbide distribution is uniform, and the comprehensive mechanical properties are the best (tensile strength 1470 MPa, impact energy 47 J). Tempering at 550 °C promotes the coarsening of carbides and the formation of tempered sorbite, resulting in a significant decrease in material strength. The secondary tempering process further optimizes the microstructure uniformity and significantly increases the elongation (about 25% increase). The influence of secondary tempering on 45CrNiMoVA steel was studied for the first time. The research results provide a basis for optimizing the heat treatment process of 45CrNiMoVA steel. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Steel Research International is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=190792957
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1002/srin.202500233
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 11
        StartPage: 115
    Subjects:
      – SubjectFull: Heat treatment
        Type: general
      – SubjectFull: Tempering
        Type: general
      – SubjectFull: Strength of materials
        Type: general
      – SubjectFull: Low alloy steel
        Type: general
      – SubjectFull: Microstructure
        Type: general
      – SubjectFull: Mechanical behavior of materials
        Type: general
      – SubjectFull: Fracture mechanics
        Type: general
      – SubjectFull: Ultimate strength
        Type: general
    Titles:
      – TitleFull: Effect of Tempering Temperature on Mechanical Properties of 45CrNiMoVA Steel.
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Li, Haodi
      – PersonEntity:
          Name:
            NameFull: Lu, Shumeng
      – PersonEntity:
          Name:
            NameFull: Wang, Shuye
      – PersonEntity:
          Name:
            NameFull: Zheng, Shanju
      – PersonEntity:
          Name:
            NameFull: Zhou, Liexing
      – PersonEntity:
          Name:
            NameFull: Li, Mengnie
    IsPartOfRelationships:
      – BibEntity:
          Dates:
            – D: 01
              M: 12
              Text: Dec2025
              Type: published
              Y: 2025
          Identifiers:
            – Type: issn-print
              Value: 16113683
          Numbering:
            – Type: volume
              Value: 96
            – Type: issue
              Value: 12
          Titles:
            – TitleFull: Steel Research International
              Type: main
ResultId 1