|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Pan American Materials Congress: Nanocrystalline and Ultra-fine Grain Materials and Bulk Metallic Glasses
||Influence of SPD in Phase Transformation of Duplex Steels
||Núria Llorca-Isern, Isabel Lopez, Jose Maria Cabrera, Mohan Chand, Irene Calliari, Antoni Roca
|On-Site Speaker (Planned)
Duplex and superduplex stainless steels allow high corrosion resistance and high mechanical strength. However these steels may suffer the formation of secondary brittle phases when they reach temperatures between 600C and 950C causing catastrophic service failure of components. In order to understand the influence of the mechanical history of the steel part, equal channel angular pressing was applied followed by different thermal treatments. Microstructural characterisation was carried out on the ecapped samples before and after themal treatment. The analysis of the hardness evolution of the same samples was also evaluated.
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