EFFECTS OF SULPHUR ON HOT DUCTILITY OF LOW-CARBON STEEL AUSTENITE.

被引：0
|
作者：
Yasumoto, K. [1 ]
Maehara, Y. [1 ]
Ura, S. [1 ]
Ohmori, Y. [1 ]
机构：
[1] Sumitomo Metal Industries Ltd,, Central Research Lab, Amagasaki, Jpn, Sumitomo Metal Industries Ltd, Central Research Lab, Amagasaki, Jpn
来源：
Materials Science and Technology | 1985年 / 1卷 / 02期
关键词：
IRON AND STEEL METALLOGRAPHY - Precipitation - SULFUR;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The hot ductility of low-carbon austenite has been studied in order to reveal the hot-cracking mechanism related to sulfur segregaton and sulfide precipitaton during solution treatment and deformation. Ductility was greatly reduced during high-strain-rate tensile deformation in the temperature range 1073-1373 K. Fracture occurred via a typical intergranular mode, characterized by both shallow dimples caused by microvoid coalescence and rather smooth facets caused by intergranular decohesion. The former morphology is a result of the dense precipitation of sulfides, identified as Fe-rich (Fe, Mn)S, on the austenite grain boundaries. Hot ductility is improved on decreasing the solution-treatment temperature, on decreasing the cooling rate from high solution temperatures, and on isothermal holding at the deformation temperature before starting the tensile test.
引用
收藏
页码：111 / 116
相关论文
共 50 条
  • [31] Investigation on the hot ductility of Q235 low-carbon steel with boron addition Jixuan
    Zhao, Jixuan
    Zhu, Hangyu
    Wang, Wei
    Wang, Lanqing
    Wang, Weisheng
    RESULTS IN PHYSICS, 2019, 15
  • [32] INFLUENCE OF MICROALLOYING ELEMENT ON HOT DUCTILITY AND PRECIPITATION OF CARBONITRIDE IN LOW-CARBON NB BEARING STEEL
    MIYAGAWA, S
    TETSU TO HAGANE-JOURNAL OF THE IRON AND STEEL INSTITUTE OF JAPAN, 1986, 72 (04): : S166 - S166
  • [33] Effect of Boron and Titanium Addition on the Hot Ductility of Low-Carbon Nb-Containing Steel
    Liu, Wei-Jian
    Li, Jing
    Shi, Cheng-Bin
    Huo, Xiang-Dong
    HIGH TEMPERATURE MATERIALS AND PROCESSES, 2015, 34 (08) : 813 - 820
  • [34] THE PRECIPITATION OF ALN AND NBC AND THE HOT DUCTILITY OF LOW-CARBON STEELS
    MAEHARA, Y
    OHMORI, Y
    MATERIALS SCIENCE AND ENGINEERING, 1984, 62 (01): : 109 - 119
  • [35] Effect of hot plastic deformation in the austenite interval on structure formation in low-alloyed low-carbon steel
    Kruglova, A. A.
    Orlov, V. V.
    Khlusova, E. I.
    METAL SCIENCE AND HEAT TREATMENT, 2007, 49 (11-12) : 556 - 560
  • [36] Effect of hot plastic deformation in the austenite interval on structure formation in low-alloyed low-carbon steel
    A. A. Kruglova
    V. V. Orlov
    E. I. Khlusova
    Metal Science and Heat Treatment, 2007, 49 : 556 - 560
  • [37] Model for the hot deformation of low-carbon steel
    Universidad Autonoma de Nuevo Leon, Nuevo Leon, Mexico
    J Mater Process Technol, 1-3 (180-184):
  • [38] A model for the hot deformation of low-carbon steel
    Colas, R
    JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 1996, 62 (1-3) : 180 - 184
  • [39] SURFACE HOT SHORTNESS IN LOW-CARBON STEEL
    NICHOLSON, A
    MURRAY, JD
    JOURNAL OF THE IRON AND STEEL INSTITUTE, 1965, 203 : 1007 - +
  • [40] Effect of electropulsing on austenite to ferrite transformation in low-carbon steel
    Zhu, Zheng-hai
    Zhou, Li
    He, Fei
    Shi, Xiao-fang
    Chang, Li-zhong
    Wang, Hai-jun
    Dong, Hong-biao
    JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL, 2021, 28 (04): : 437 - 444
12345