Microstructural Features of Low-Alloy Pipeline Steels that Determine Impact Strength of Welded Joint Heat-Affected Zone

Microstructural mechanisms reducing the impact strength values of a coarse grained heat-affected zone are studied for two K60 microalloyed steels. Research is conducted on specimens subjected to simulation of a heat-affected zone. The microstructure and fracture surface are studied using scanning el...

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Veröffentlicht in:	Metallurgist (New York) 2021-09, Vol.65 (5-6), p.500-516
Hauptverfasser:	Sudin, V. V., Stepanov, P. P., Bozhenov, V. A., Kantor, M. M., Efron, L. E., Zharkov, S. V., Chastukhin, A. V., Ringinen, D. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloys Aluminum compounds Aluminum oxide Backscattering Bainite Brittle fracture Calcium aluminum ferrite Calcium sulfides Characterization and Evaluation of Materials Chemistry and Materials Science Cleavage Electron diffraction Fracture surfaces Heat affected zone Heat treating High strength low alloy steels Impact strength Lime Materials Science Metallic Materials Metallurgy & Metallurgical Engineering Microstructure Nitrides Nonmetallic inclusions Science & Technology Structural steels Technology Titanium Titanium nitride Welded joints
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