Abstract
The steel A-203D in martensitic, tempered martensitic and ferritic-pearlitic microstructural conditions, was deformed in tension at temperatures between 77 to 300 K and at a strain rate of 6.67×10−5 sec−1. The thermal component of the flow stress and the activation parameters were measured as a function of temperature. It was observed that the microstructure did not affect either the thermal part of the flow stress (σ*) or the activation parameters (V* and ΔH) and that its effect was felt only on the athermal component (σ μ ) of the flow stress. Further the relations of the activation parameters with stress, strain and temperature were found to be consistent with Dorn-Rajnak theory of Peierls mechanism of plastic deformation. In addition measurements of slow-bend and impact transition were also carried out for ferritic-pearlitic structure. Based on these observations, it is shown that the impact transition temperature of this structure can be emperically correlated with the thermal activation parameters.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
J. E. Dorn andS. Rajnak,Trans. Met. Soc. AIME 230 (1964) 1052.
J. W. Christian andB. C. Masters,Proc Roy. Soc (London) A281 (1964) 240.
R. J. Arsenault,Acta Metall. 15 (1967) 501.
D. F. Stein, J. R. Low andA. V. Seybolt,ibid. 14 (1966) 99.
R. L. Fleischer,ibd. 15 (1967) 1513.
J. E. Dorn, “Dislocation Dynamics”, edited by A. R. Rosenfield, G. T. Hahn, A. L. Berrent and R. I. Jaffee (McGraw Hill, New York, 1967) p. 27.
H. Conrad,J. Iron Steel. Inst. 198 (1961) 364.
H. Conrad andS. Freedricks,Acta Metall. 10 (1962) 1013.
H. Conrad, “The Relation Between the Structure and Mechanical Properties of Metals” (NPL Symposium, HMSO, London, 1963) p. 475.
Y. Nakada andA. S. Keh,Acta Metall. 16 (1968) 903.
S. K. Lahiri andM. E. Fine,Met. Trans. 1 (1970) 1495.
T. Tanaka andS. Watanabe,Acta Metall. 19 (1971) 999.
W. A. Spitzig andW. C. Leslie,ibid. 19 (1971) 1143.
W. A. Spitzig,Mater. Sci. Eng. 12 (1973) 191.
Y. T. Chen, D. G. Atteridge andW. W. Gerberich,Acta Metall. 29 (1981) 1171.
F. A. Smidt Jr, Technical Report of Battelle-North West, BNWL-1045 (1969).
P. Wynblatt andJ. E. Dorn,Trans. AIME 236 (1966) 1451.
S. Floreen,ibid. 236 (1966) 1429.
W. J. Owen andM. J. Roberts, “Dislocation Dynamics”, edited by A. R. Rosenfield, G. T. Hahn, A. L. Berrent and R. I. Jaffee (McGraw-Hill, New York, 1967) p. 357.
J. Harding,Met. Technol. 1 (1977) 6.
S. Jin, D. Huang andJ. W. Morris,Met. Trans. 7 (1976) 637.
H. Conrad, “High Strength Materials”, edited by V. F. Zackay (John Wiley and Sons, New York, 1964) p. 436.
G. S. Pisarenko andA. J. Krasowsky, Second International Conference on Mechanical Behaviour of Materials, Special Volume (ASM, Metals Park, Ohio, 1978) p. 348.
R. W. Armstrong, “Fracture 1969”, edited by P. L. Pratt, (Chapman and Hall, London, 1969) p. 314.
W. W. Gerberich, Y. T. Chen, D. G. Atteridge andT. Johnson,Acta Metall. 29 (1981) 1187.
L. A. Norstrom,Scan. J. Metall. 5 (1976) 41.
J. F. Knott,J. Mech. Phys. Solids 15 (1967) 97.
Idem, “Fundamentals of Fracture Mechanics” (Butterworths, London, 1973).
A. Seeger, “Dislocation and Mechanical Properties of Crystals, Conference Volume”, edited by J. C. Fisher, W. G. Johnston, R. Thomson and T. Vreelard (John Wiley and Sons, New York, 1957) p. 243.
M. S. Duesbery andP. B. Hirch, “Dislocation Dynamics”, edited by A. R. Rosenfield, G. T. Hahn, A. L. Berrent and R. I. Jaffee (McGraw-Hill, New York, 1967) p. 57.
A. Seeger,Phil. Mag. 45 (1954) 771.
H. Conrad,Acta Metall. 6 (1958) 339.
G. E. Dieter, “Mechanical Metallurgy” (McGraw Hill, New York, 1961) p. 372.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Sinha, T.K., Chakravartty, J.K., Wadekar, S.L. et al. Low temperature deformation behaviour of ASTM A-203D nuclear structural steel. J Mater Sci 19, 1446–1455 (1984). https://doi.org/10.1007/BF00563039
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF00563039