Carbide precipitation and high-temperature strength of hot-rolled high-strength, low-alloy steels containing Nb and Mo

Carbide precipitation and high-temperature strength of hot-rolled high-strength, low-alloy steels containing Nb and Mo

The effects of a Mo addition on both the precipitation kinetics and high-temperature strength of a Nb carbide have been investigated in the hot-rolled high-strength, low-alloy (HSLA) steels containing both Nb and Mo. These steels were fabricated by four-pass hot rolling and coiling at 650 degC, 600...

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Veröffentlicht in:Metallurgical and materials transactions. A, Physical metallurgy and materials science Physical metallurgy and materials science, 2002-06, Vol.33 (6), p.1689-1698
Hauptverfasser: LEE, Won-Beom, HONG, Seung-Gab, PARK, Chan-Gyung, PARK, Sung-Ho
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Heat treating
Kinetics
Materials science
Metallurgy
Metals. Metallurgy
Phase diagrams and microstructures developed by solidification and solid-solid phase transformations
Physics
Precipitation
Solid-phase precipitation
Steel
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Zusammenfassung:The effects of a Mo addition on both the precipitation kinetics and high-temperature strength of a Nb carbide have been investigated in the hot-rolled high-strength, low-alloy (HSLA) steels containing both Nb and Mo. These steels were fabricated by four-pass hot rolling and coiling at 650 degC, 600 degC, and 550 degC. Microstructural analysis of the carbides has been performed using field-emission gun transmission electron microscopy (TEM) employing energy-dispersive X-ray spectroscopy (EDS).
ISSN:1073-5623
1543-1940
DOI:10.1007/s11661-002-0178-2