Author: Rajasekhara S. Ferreira P.J. Karjalainen L.P. Kyröläinen A.
Publisher: Springer Publishing Company
ISSN: 1543-1940
Source: Metallurgical and Materials Transactions A, Vol.38, Iss.6, 2007-06, pp. : 1202-1210
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Abstract
An ultra-fine-grained AISI 301LN austenitic stainless steel has been achieved by heavy cold rolling, to induce the formation of martensite, and subsequent annealing at 800 °C, 900 °C, and 1000 °C, from 1 to 100 seconds. The microstructural evolution was analyzed using transmission electron microscopy and the yield strength determined by tension testing. Ultra-fine austenite grains, as small as ∼0.54
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