The Effect of Boron on the Impact Energy of Low-Carbon Steel Weld Metal at Low Temperatures

2018 ◽  
Vol 7 (2) ◽  
pp. 143-152 ◽  
Author(s):  
Seyyed Reza Amirabadizade ◽  
Shamsodin Shafinia ◽  
Hamed Sabet ◽  
Shamsodin Mirdamadi ◽  
Hossein Ebrahimnezhad-Khaljiri
Keyword(s):  
Carbon Steel ◽  
Weld Metal ◽  
Impact Energy ◽  
Low Temperatures ◽  
Low Carbon Steel ◽  
Steel Weld ◽  
Low Carbon ◽  
Steel Weld Metal ◽  
The Impact

Low carbon steel weld metal microstructures: The role of oxygen and manganese

1987 ◽  
Vol 9 (3) ◽  
pp. 253-267 ◽  
Author(s):  
P. F. Chaveriat ◽  
G. S. Kim ◽  
S. Shah ◽  
J. E. Indacochea
Keyword(s):  
Carbon Steel ◽  
Weld Metal ◽  
Low Carbon Steel ◽  
Steel Weld ◽  
Low Carbon ◽  
Steel Weld Metal

Microstructure and toughness of low carbon steel weld metal

1991 ◽  
Vol 131 (2) ◽  
pp. 255-263 ◽  
Author(s):  
D.G. Crawford ◽  
T.N. Baker
Keyword(s):  
Carbon Steel ◽  
Weld Metal ◽  
Low Carbon Steel ◽  
Steel Weld ◽  
Low Carbon ◽  
Steel Weld Metal

Sulphur-induced ductility-dip cracking in low carbon steel weld metal

1987 ◽  
Vol 1 (7) ◽  
pp. 686-690 ◽  
Author(s):  
Yu Erjing ◽  
Ying Huiyun ◽  
Liu Quan ◽  
Si Zhongyao
Keyword(s):  
Carbon Steel ◽  
Weld Metal ◽  
Low Carbon Steel ◽  
Steel Weld ◽  
Low Carbon ◽  
Steel Weld Metal

The Influence of Zirconium and Boron on Low Carbon Steel Weld Metal Microstructure

1994 ◽  
Vol 116 (1) ◽  
pp. 26-31 ◽  
Author(s):  
D. W. Oh ◽  
D. L. Olson ◽  
R. H. Frost
Keyword(s):  
Carbon Steel ◽  
Weld Metal ◽  
Low Carbon Steel ◽  
Steel Weld ◽  
Low Carbon ◽  
Weld Deposit ◽  
Steel Weld Metal ◽  
Weld Metal Microstructure ◽  
Metal Microstructure

By substituting zirconium-boron additions for titanium-boron additions in the weld deposit, further understanding of the role of specific microalloying additions on the suppression of grain boundary ferrite and the promotion of the intragranular formation of acicular ferrite in low carbon steel weld metal is achieved.

scholarly journals Effect of Aluminum on Microstructure and Mechanical Properties of Weld Metal of Q960 Steel

Crystals ◽  
2021 ◽  
Vol 12 (1) ◽  
pp. 26
Author(s):  
Zongxuan Zou ◽  
Zhengjun Liu ◽  
Xingyu Ai ◽  
Dan Wu
Keyword(s):  
Tensile Strength ◽  
Weld Metal ◽  
Impact Energy ◽  
Hsla Steel ◽  
Low Carbon Steel ◽  
High Strength ◽  
Low Carbon ◽  
Cored Wire ◽  
Al Content ◽  
The Impact

High-strength low-alloy (HSLA) steel is used in important steel structural members because of its strength and plastic toughness. Q960 steel is HSLA steel obtained by adding an appropriate amount of alloy elements and quenching and tempering treatment on the basis of ordinary low-carbon steel. This kind of steel has strong hardenability due to the alloy elements added. Cold cracks, embrittlement and softening of the heat-affected zone easily occur after welding. In particular, the low-temperature impact toughness cannot meet the requirements and limits its use. In this paper, self-shielded welding is used to adjust the content of aluminum in flux-cored wire. The relationship between weld metal (WM) microstructure and strength and properties was studied by tensile test and impact test, and the influence mechanism of Al content on weld metal microstructure and properties was analyzed. The results show that when the content of Al is 0.21%, the impact energy at 0 °C~−60 °C is the best, the tensile strength can reach 1035 MPA and the number of pores is small. The size of inclusions in WM is mostly less than 1.0 μm Al2O3 spherical oxide. It can become the center of acicular ferrite (AF) and increase the nucleation probability. However, with the increase of Al content, large irregular AlN inclusions are produced, which reduces the tensile strength and impact energy of the welded joint.

Comprehensive Analysis for Microstructure Evolution in Welding

2008 ◽  
Vol 580-582 ◽  
pp. 25-28 ◽  
Author(s):  
Hidenori Terasaki ◽  
Yuichi Komizo ◽  
Mitsuharu Yonemura ◽  
Takahiro Osuki
Keyword(s):  
Phase Transformation ◽  
Weld Metal ◽  
Reciprocal Lattice ◽  
Low Carbon Steel ◽  
Transformation Process ◽  
Unidirectional Solidification ◽  
Steel Weld ◽  
Low Carbon ◽  
Time Resolved ◽  
Steel Weld Metal

Unidirectional solidification for low-carbon steel weld metal was characterized by using Time-Resolved X-Ray Diffraction (TRXRD) system. Solid-state phase transformation was also insitu observed in reciprocal lattice space. It was shown that TRXRD analysis had a potential as a comprehensive characterization technique for solidification and phase transformation process in welding. It made for the growth behavior of dendrites in unidirectional solidification and α γ δ − − phase transformation in steel weld metal to be characterized.

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