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Microstructure Evolution in a 9%Cr Heat Resistant Steel during Creep Tests

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Abstract:

Dynamic structural changes during creep tests for about 103 hours at 600 and 650oC were investigated in a P92-type 9%Cr martensitic heat resistant steel. The structural changes are characterised by the development of relatively large equiaxed subgrains with relatively low dislocation densities in place of initial martensite laths. The coarsening of substructure was accompanied by a growth of second phase precipitates. The final grain/subgrain sizes and dislocation densities evolved after the creep tests were in rough correlation with applied stresses, i.e. larger (sub)grains developed under lower stresses. The structural mechanism responsible for microstructure evolution was considered as a kind of continuous dynamic recrystallization.

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Info:

Periodical:

Materials Science Forum (Volumes 638-642)

Pages:

2315-2320

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.638-642.2315

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Online since:

January 2010

Authors:

Vladimir Skorobogatykh, Izabella Schenkova, Valeriy Dudko, Andrey Belyakov, Rustam Kaibyshev

Keywords:

Carbide Coarsening, Creep Test, Heat Resistant Steel, Micro-Structure Evolution, Tempered Martensite

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© 2010 Trans Tech Publications Ltd. All Rights Reserved

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References

[1] K. Maruyama, K. Sawada and J. Koike: Iron Steel Inst. Jpn. Int. Vol. 41 (2001), p.641.

Google Scholar

[2] P.J. Ennis and A. Czyrska-Filemonowicz: Sadhana Vol. 28 (2003), p.709.

Google Scholar

[3] M. Taneike, F. Abe and K. Sawada: Nature Vol. 424 (2007), p.294.

Google Scholar

[4] K. Sawada, M. Takeda, K. Maruyama, R. Ishii, M. Yamada, Y. Nagae and R. Komine: Mater. Sci. Eng. A Vol. A267 (1999), p.19.

Google Scholar

[5] F. Abe, T. Horiuchi, M. Taneike and K. Sawada: Mater. Sci. Eng. A Vol. A378 (2004), p.299.

Google Scholar

[6] P.A. Beck, J.C. Kremer, L.J. Demer and M.L. Holzworth: Trans. AIME Vol. 13 (1948), p.372.

Google Scholar

[7] H.J. McQueen and J.J. Jonas, in: Treatise on Materials Science and Technology, edited by R.J. Arsenoult, Academic Press, NY (1975).

Google Scholar

[8] P.A. Manohar, M. Ferry and T. Chandra: Iron Steel Ins. Jpn. Int. Vol. 38 (1998), p.913.

Google Scholar

[9] D. Hull and D.J. Bacon: Introduction to Dislocations (Butterworth Heinemann, UK 1984).

Google Scholar

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