Characteristics of Microstructure and Fracture Toughness According to the Groove Shape of Submerged Arc Welding

Characteristics of Microstructure and Fracture Toughness According to the Groove Shape of Submerged Arc Welding

This study investigates the effects of heat input on the microstructure and fracture toughness of SAW (Submerged Arc Welding) joints with K-groove and X-groove weld preparations using S460NL steel. Microstructural analysis focused on acicular ferrite, grain boundary ferrite, and MA (Martensite–Auste...

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Bibliographic Details
Main Authors: Yong-Taek Shin, Chang-Ju Jung, Seong-Han Bae, Gyubaek An, Myungrak Son, Young-Il Park
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Metals
Subjects:
submerged arc welding (SAW)
groove shapes
cooling rate
crack tip opening displacement (CTOD)
martensite–austenite constituents (MA)
Online Access:https://www.mdpi.com/2075-4701/15/1/10
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