Creep rupture properties and microstructures of 9Cr–3Co–3W-Nd-B steel welded joints

The creep rupture properties of welded joints and microstructures before and after creep rupture were evaluated for the 9Cr–3W–3Co-Nd-B steel, and simulated HAZ test was conducted to evaluate the creep strength and microstructures of HAZ. The creep strengths of welded joints were almost equivalent t...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2022-01, Vol.831, p.142231, Article 142231
Hauptverfasser:	Hamaguchi, Tomoaki, Kurihara, Shinnosuke, Hirata, Hiroyuki, Okada, Hirokazu
Format:	Artikel
Sprache:	eng
Schlagworte:	9Cr–3W–3Co-Nd-B steel Austenite Base metal Creep strength Electron backscatter diffraction patterns (EBSD) method Grain boundaries Grain refinement Heat affected zone Microstructure Precipitates Rupturing Simulated HAZ Steel Transformation temperature Type IV failure Welded joint Welded joints
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