NDLI: The precipitation and effect of nano nitrides in HSLC steel

Content Provider	Springer Nature Link
Author	Fu, Jie Liu, YangChun Wu, HuaJie
Copyright Year	2008
Abstract	The existing forms of N and Al in HSLC (high strength low carbon) steel produced by TSCR (thin slab casting and rolling process), the precipitation thermodynamics and kinetics of AlN, and its effects on structure and mechanical property are studied. The experimental results show that only a small quantity of nitrogen is combined into AlN in HSLC steel produced by TSCR and most of the nitrogen in steel is still free nitrogen. Aluminum-nitride is mainly precipitated during the period of slow air cooling after coiling, but not during rolling and water cooling. The acid-soluble aluminum has no obvious effect on the grain size and mechanical property of HSLC steel produced by TSCR whose acid-soluble aluminum content is 0.005%–0.043%. The precipitation of AlN is not the main cause of grain refinement of HSLC steel produced by TSCR, nor is AlN the dominating precipitate that has precipitation strengthening effect. The nano nitrides are not pure AlN, but have complex compositions.
Starting Page	989
Ending Page	998
Page Count	10
File Format	PDF
ISSN	10069321
Journal	Science in China Series E: Technological Sciences
Volume Number	51
Issue Number	7
e-ISSN	1862281X
Language	English
Publisher	SP Science in China Press
Publisher Date	2008-06-07
Publisher Place	Heidelberg
Access Restriction	Subscribed
Subject Keyword	thin slab casting and rolling high strength low carbon steel AlN nano nitride precipitation strengthening Engineering
Content Type	Text
Resource Type	Article
Subject	Engineering Materials Science

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