Application of control theory principles to optimisation of grain size during hot extrusion

Materials Science and Technology

Volumn 14, Issue 1, 1998, Pages 25-31

  Frazier, W G ^a   Malas III, J C ^a   Medina, E A ^a   Medeiros, S ^a   Venugopal, S ^a   Mullins, W M ^a   Chaudhary, A ^a   Irwin, R D ^b  

^a AIR FORCE RESEARCH LABORATORY   (United States)

^b US Institute of Navigation   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001803008     PISSN: 02670836     EISSN: None     Source Type: Journal    
DOI: 10.1179/mst.1998.14.1.25     Document Type: Article

References (18)

1. D. E. KIRK: in 'Optimal control theory: an introduction', 29-46, 184-309; 1970, Englewood Cliffs, NJ, Prentice-Hall.
2. J. J. JONAS, C. M. SELLARS, and McG. TEGART: Int. Metall. Rev., 1969, 14, 1-24.
3. C. M. SELLARS: Philos. Trans. R. Soc. (London), 1978, 288, 147.
4. H. J. McQUEEN and J. J. JONAS: in 'Treatise on materials science and technology', (ed. R. J. Arsenault), Vol. 6, 393-493; 1975, New York, Academic Press.
5. W. ROBERTS: in 'Deformation, processing and structure', (ed. G. Krauss), 109-84; 1984, Metals Park, OH, ASM International.
6. W. ROBERTS: in 'Microstructure evolution and flow stress during hot working', Vol.3, (ed. H. J. McQueen, et al.) 1859-1891; 1986, New York, Pergamon.
7. J. C. MALAS: PhD dissertation, Ohio University, Athens, OH, USA, 1991.
8. J. C. MALAS and V. SEETHARAMAN: JOM, 1992, 44, 8-13.
9. S. C. JAIN: JOM, 1989, 41, 26.
10. S. C. JAIN: JOM, 1990, 42, 15.
11. Y. V. R. K. PRASAD, H. L. GEGEL, S. M. DORAIVELU, J. C. MALAS, J. T. MORGAN, K. A. LARK, and D. R. BARKER: Metall. Trans. A, 1983, 15A, 1883.
12. H. J. FROST and M. F. ASHBY: in 'Deformation mechanism maps; the plasticity and creep of metals and ceramics', 1; 1982, Oxford, Pergamon.
13. R. RAJ: Metall Trans. A, 1981, 12A, 1089.
14. W. G. FRAZIER: in 'Robust control techniques for hot deformation processes: contributive research and development, Vol. 228. Task 178, Contract F33615-90-C5944, Systran, March 1995.
15. H. YADA: in 'Accelerated cooling of rolled steels: conference of metallurgists', (ed. G. E. Ruddle and A. F. Crawley), 105-120; 1987, Willowdale, Pergamon.
16. A. KUMAR, K. P. RAO, E. B. HAWBOLT, and I. V. SAMARASEKARA: in 'Application of constitutive equations for use in the finite element analysis of hot rolling steel', unpublished research, 1987.
17. UES: 'Antares software user manual', 1995.
18. G. VANDER VOORT: in 'Metallography, principles and practice', 410; 1974, New York, McGraw-Hill.