Effect of Phosphorus on Microstructure, Mechanical Properties, and Formation of Retained Austenite in TRIP Steels

Eui Pyo Kwon; Shun Fujieda; Kozo Shinoda; Shigeru Suzuki

doi:10.4028/www.scientific.net/KEM.508.128

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Effect of Phosphorus on Microstructure, Mechanical Properties, and Formation of Retained Austenite in TRIP Steels
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 508Effect of Phosphorus on Microstructure, Mechanical...

Effect of Phosphorus on Microstructure, Mechanical Properties, and Formation of Retained Austenite in TRIP Steels

Abstract:

In this Study, Influences of P on the Microstructure, Mechanical Properties, and Retained Austenite Characteristics in Transformation Induced Plasticity (TRIP) Steels Were Investigated. Microstructure of 0.2mass%P Containing TRIP Steel Was Inhomogeneous and it Resulted in Deterioration of the Mechanical Properties. Retained Austenite Characteristics such as Volume Fraction and Carbon Concentration Were Also Affected by P. The Stability of Retained Austenite in P Containing TRIP Steel Was Different from that in P-Free TRIP Steel. Such Difference in the Stability of Retained Austenite Was Attributed to the Effect of the Carbon Concentration in Retained Austenite as Well as their Different Microstructure.

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Key Engineering Materials (Volume 508)

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128-132

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https://doi.org/10.4028/www.scientific.net/KEM.508.128

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March 2012

Authors:

Eui Pyo Kwon, Shun Fujieda, Kozo Shinoda, Shigeru Suzuki

Keywords:

Mechanical Property, Microstructure, Phosphorus Segregation, TRIP Steel

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