Hot strength and hot ductility of titanium alloys—a challenge for continuous casting process

1999 ◽  
Vol 263 (2) ◽  
pp. 230-236 ◽  
Author(s):  
H.G. Suzuki ◽  
E. Takakura ◽  
D. Eylon
Keyword(s):  
Continuous Casting ◽  
Titanium Alloys ◽  
Casting Process ◽  
Hot Ductility ◽  
Continuous Casting Process ◽  
Hot Strength

scholarly journals The Influence of Ti on the Hot Ductility of Nb-bearing Steels in Simulated Continuous Casting Process.

2002 ◽  
Vol 42 (3) ◽  
pp. 273-282 ◽  
Author(s):  
Haiwen Luo ◽  
L. Pentti Karjalainen ◽  
David A. Porter ◽  
Heidi-Marja Liimatainen ◽  
Yan Zhang
Keyword(s):  
Continuous Casting ◽  
Casting Process ◽  
Hot Ductility ◽  
Continuous Casting Process ◽  
Bearing Steels

NbCN precipitation during solidification of HSLA steels

1986 ◽  
Vol 44 ◽  
pp. 578-579
Author(s):  
M.G. Burke ◽  
N.S. Pottore ◽  
A.J. DeArdo
Keyword(s):  
Continuous Casting ◽  
Research Program ◽  
Casting Process ◽  
Hot Ductility ◽  
Continuous Casting Process ◽  
Ongoing Research ◽  
Hsla Steels ◽  
Continuously Cast

A TEM/STEM investigation has been directed towards improving the quality of continuously cast HSLA steels. The considerable economic advantages to be derived from continuous casting of HSLA steels is being arrested by the greatly reduced hot-ductility of the con-cast structures. Therefore, to determine the cause of this reduction in ductility, a microstructura1 investigation was conducted using unidirectiona11y solidified ingots to simulate the continuous casting process. This is part of an ongoing research program on Nb-bearing HSLA steels.

scholarly journals Effect of High Temperature Deformation on the Hot Ductility of Nb Microalloyed Steel

2005 ◽  
Vol 500-501 ◽  
pp. 115-122 ◽  
Author(s):  
Faramarz Zarandi ◽  
Steve Yue
Keyword(s):  
Continuous Casting ◽  
High Temperatures ◽  
Microalloyed Steel ◽  
Casting Process ◽  
Temperature Deformation ◽  
Hot Ductility ◽  
Continuous Casting Process ◽  
Billet Surface ◽  
Nb Microalloyed Steel ◽  
Very High

Low hot ductility of steel at the straightening stage of the continuous casting process is a problem found in steels containing microalloying and/or certain alloying additions. The thermal schedule undergone by the billet surface in the mill has a significant effect on the hot ductility. In this work, thermomechanical processing was employed to alleviate the problem of hot ductility in the Nb-microalloyed steel. Specimens were melted in situ and subjected to the billet surface thermal schedule in order to generate a microstructure similar to that present at the straightening stage of the continuous casting process. Some deformation schedules were incorporated with the thermal schedule at very high temperatures, specifically during solidification, within the d-ferrite region, and during the d®g transformation, and the hot ductility was subsequently evaluated at the end of the thermal schedule where the straightening operation is performed. After the thermal schedule alone, the steel exhibited a very low hot ductility at the straightening stage. It was found that deformation at very high temperatures prior to the straightening stage had a considerable effect on the hot ductility, either detrimental or beneficial, depending on the region in which the deformation has been executed. The mechanisms leading to loss and improvement of hot ductility are explained in this paper.

The Air Reoxidation and the Formation of Large Inclusions in Continuous Casting Process

1973 ◽  
Vol 59 (1) ◽  
pp. 72-84 ◽  
Author(s):  
Kichinosuke MATSUNAGA ◽  
Chikakazu NAMIKI ◽  
Taiji ARAKI
Keyword(s):  
Continuous Casting ◽  
Casting Process ◽  
Continuous Casting Process
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