Effect of Laves Phase on Ductile-Brittle Transition of 12 Pct Cr Steel

Volume: 50, Issue: 8, Pages: 3528 - 3543
Published: May 20, 2019
Abstract
The impact toughness of a martensitic 12 Cr-0.6 Mo-2.2 W-4 Co-0.8 Cu-VNb (in wt pct) steel subjected to tempering at 770 °C for 3 hours and aging at 650 °C for 643 hours was examined in the temperature range of − 20 to 250 °C. The steel in the tempered condition exhibits a ductile-brittle transition temperature (DBTT) of 41 °C and a Charpy V-notch impact energy of 100 J/cm2 at a temperature of 20 °C. The tempered steel becomes completely brittle...
Paper Details
Title
Effect of Laves Phase on Ductile-Brittle Transition of 12 Pct Cr Steel
Published Date
May 20, 2019
Volume
50
Issue
8
Pages
3528 - 3543
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