Experiments have been conducted to modify the size distribution of oxide particles in steel weld metals which have predominantly martensitic microstructures. It is found that the toughness improves significantly when the particles are refined, even when the total concentration of oxygen is unchanged in the process.
Science and Technology of Welding and Joining 11 (2006) 580-582.
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A short audio interview of Shinichi Terashima by Mathew Peet on the content of the paper.
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