Microstructure and Impact Toughness of High-Strength Low-Alloy Steel after Tempforming

被引：9
作者：
Dolzhenko, A. S. [1 ]
Dolzhenko, P. D. [1 ]
Belyakov, A. N. [1 ]
Kaibyshev, R. O. [1 ]
机构：
[1] Belgorod State Univ, Belgorod 308015, Russia
来源：
PHYSICS OF METALS AND METALLOGRAPHY | 2021年 / 122卷 / 10期
基金：
俄罗斯科学基金会;
关键词：
tempforming; lamellar structure; impact toughness; fractography; GRAIN-STRUCTURE;
D O I：
10.1134/S0031918X21100021
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The effects of temperature and degree of tempforming deformation on the microstructure and impact toughness of high-strength low-alloy 25KhGMT steel have been considered. Tempforming forms a lamellar microstructure composed of grains and subgrains that are strongly elongated along the rolling direction. The average size of the grain section is 570-790 nm. Deformation texture includes < 001 > || ND and < 111 > || ND fibers. Tempforming increases the fracture work of this steel at lower test temperatures (KV-40 degrees C >= 360 J) due to the delamination of the specimen perpendicular to the impact direction, which prevents crack propagation towards the direction of the impact.
引用
收藏
页码：1014 / 1022
页数：9
相关论文
共 50 条
  • [21] Effect of Nb Content on the Microstructure and Impact Toughness of High-Strength Pipeline Steel
    Jiang, Jinxing
    Zhang, Zhongde
    Guo, Kai
    Guan, Yingping
    Yuan, Liangzeng
    Wang, Qingfeng
    METALS, 2024, 14 (01)
  • [22] Effect of Microstructure and Segregation of Elements on the Impact Toughness of High-Strength Low-Carbon Bainitic Steel
    Du Minxian
    Peng Huaxia
    Tian Hongbin
    Sun Li
    Ou Ling
    Metal Science and Heat Treatment, 2016, 58 : 138 - 141
  • [23] Effect of Microstructure and Segregation of Elements on the Impact Toughness of High-Strength Low-Carbon Bainitic Steel
    Du Minxian
    Peng Huaxia
    Tian Hongbin
    Sun Li
    Ou Ling
    METAL SCIENCE AND HEAT TREATMENT, 2016, 58 (3-4) : 138 - 141
  • [24] Interrelationships between yield strength, low-temperature impact toughness, and microstructure in low-carbon, copper-precipitation-strengthened, high-strength low-alloy plate steels
    Thompson, S. W.
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2018, 711 : 424 - 433
  • [25] Impact Toughness of Low-Carbon, Low-Alloy Steel with a Ferrite–Bainite Microstructure from Multiple Test Results
    M. M. Kantor
    K. G. Vorkachev
    V. A. Bozhenov
    K. A. Solntsev
    Inorganic Materials, 2024, 60 (6) : 801 - 814
  • [26] Additive manufacturing of high-strength low-alloy AISI 4340 steel with an optimal strength-ductility-toughness trade-off
    Yao, Ju
    Tan, Qiyang
    Venezuela, Jeffrey
    Atrens, Andrej
    Zhang, Ming-Xing
    ADDITIVE MANUFACTURING, 2024, 94
  • [27] The Low-Temperature Toughness Improvement of High-Strength Low-Alloy Steel Due to the Microstructural Changes Caused by the Reheating/Rolling Temperature
    Liu, Wei
    Zhao, Hong-Li
    Tian, Yong
    Wang, Bing-Xing
    Wang, Bin
    STEEL RESEARCH INTERNATIONAL, 2024, 95 (05)
  • [28] Effect of Cr Content on Microstructure and Impact Toughness in the Simulated Coarse-Grained Heat-Affected Zone of High-Strength Low-Alloy Steels
    Huang, Gang
    Wan, Xiang Liang
    Wu, Kai Ming
    STEEL RESEARCH INTERNATIONAL, 2016, 87 (11) : 1426 - 1434
  • [29] Effect of Cu addition on microstructure and impact toughness in the simulated coarse-grained heat-affected zone of high-strength low-alloy steels
    Huang, G.
    Wan, X. L.
    Wu, K. M.
    Isayev, O.
    Hress, O.
    Rodionova, I.
    Shirzadi, A. A.
    MATERIALS SCIENCE AND TECHNOLOGY, 2017, 33 (05) : 602 - 614
  • [30] Tailoring Variant Pairing to Enhance Impact Toughness in High-Strength Low-Alloy Steels via Trace Carbon Addition
    Yu, Yi-Shuang
    Wang, Zhi-Quan
    Wu, Bin-Bin
    Zhao, Jing-Xiao
    Wang, Xue-Lin
    Guo, Hui
    Shang, Cheng-Jia
    ACTA METALLURGICA SINICA-ENGLISH LETTERS, 2021, 34 (06) : 755 - 764
12345