scholarly journals The Effect of Vanadium and Niobium on the Properties and Microstructure of the Intercritically Reheated Coarse Grained Heat Affected Zone in Low Carbon Microalloyed Steels.

2001 ◽  
Vol 41 (1) ◽  
pp. 46-55 ◽  
Author(s):  
Y. Li ◽  
D. N. Crowther ◽  
M. J. W. Green ◽  
P. S. Mitchell ◽  
T. N. Baker
Keyword(s):  
Heat Affected Zone ◽  
Coarse Grained ◽  
Microalloyed Steels ◽  
Low Carbon ◽  
Carbon Microalloyed

scholarly journals Mechanical and Microstructural Investigations of the Laser Welding of Different Zinc-Coated Steels

Metals ◽  
2019 ◽  
Vol 9 (1) ◽  
pp. 91 ◽  
Author(s):  
Eva Zdravecká ◽  
Ján Slota
Keyword(s):  
Mechanical Properties ◽  
Laser Welding ◽  
Heat Affected Zone ◽  
Microstructural Analysis ◽  
Welding Process ◽  
Tensile Tests ◽  
Microalloyed Steels ◽  
Low Carbon ◽  
Tailor Welded Blanks ◽  
Carbon Microalloyed

Tailor welded blanks (TWB) represent an anisotropic and non-homogenous material. The knowledge of the mechanical properties and microstructure of the fusion zone and heat-affected zone (HAZ) obtained with laser welding is essential to ensure the reliability of the process. In this paper, laser-welded hot-dip Zn-coated low carbon microalloyed steels with different thickness and mechanical properties were used. The mechanical properties of the laser-welded blanks were determined by tensile tests and formability by Erichsen cupping tests. In addition, the pore formation during the laser welding process was analyzed. The microstructural analysis confirmed the formation of the favorable structure of the weld metal and the heat-affected zone without the presence of martensite. The obtained results showed that it is possible to produce TWBs with suitable mechanical properties by laser welding.

Effect of Mo Concentration on Dynamic Recrystallization Behavior of Low Carbon Microalloyed Steels

2013 ◽  
Vol 84 (12) ◽  
pp. 1191-1195 ◽  
Author(s):  
Thomas Schambron ◽  
Liang Chen ◽  
Taliah Gooch ◽  
Ali Dehghan-Manshadi ◽  
Elena V. Pereloma
Keyword(s):  
Dynamic Recrystallization ◽  
Microalloyed Steels ◽  
Recrystallization Behavior ◽  
Low Carbon ◽  
Dynamic Recrystallization Behavior ◽  
Carbon Microalloyed

Effect of Nb and V in the Development of Texture and Plastic Strain Ratio in Low Carbon Microalloyed Steels Produced by A.S.T. Technology

2005 ◽  
Vol 500-501 ◽  
pp. 279-286
Author(s):  
Carlo Mapelli ◽  
Roberto Venturini ◽  
Antonio Guindani
Keyword(s):  
Mechanical Properties ◽  
Strain Ratio ◽  
Tensile Tests ◽  
Microalloyed Steels ◽  
Low Carbon ◽  
Plastic Strain Ratio ◽  
Steel Technology ◽  
Back Scattering ◽  
Carbon Microalloyed ◽  
Hot Rolled

The effects of Nb and V on the anisotropy and textures featuring the hot rolled low carbon microalloyed steels produced by A.S.T. (Arvedi Steel Technology) have been studied as a function of the final coiling temperatute Tcoiling. Mechanical properties and r-values for twelve steels have been determined through tensile tests performed on three main different directions: 0°, 45°, 90° to the rolling one. The samples have been analysed by EBSD (Electron Back Scattering Diffraction) to identify the textures developed during the process. The relations among the chemical composition of the steels (i.e. C, N, Nb, V contents), the mechanical properties, the temperature during the coiling operations, the textures and the formability properties have been pointed out.

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