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What is Ductile-Brittle Transition in Miniaturized Specimens about?
1) The study evaluated the ductile-brittle transition of Japanese swords and weld metals using miniaturized impact specimens. 2) For swords, hardness was highest at the edge (martensite) and lowest at the back (ferrite/pearlite), showing the graded balance of strength and toughness from traditional processing. 3) For welds, specimens from different weld metals allowed determining ductile-brittle transition curves and temperatures, correlated to standard Charpy tests. Laser welds showed superior toughness
- Author
- Andrea Caldera
- Language
- EN