Zobrazeno 1 - 10
of 24
pro vyhledávání: '"J. C. Malas"'
Publikováno v:
Materials Science and Engineering: A. 368:41-47
Powder metallurgy (P/M) aluminum alloy 2024 (Al-2024) reinforced with SiC whiskers is difficult to shape-form because of microstructural complexities introduced by rapid solidification and whisker additions. In the present investigation, four forms o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::102863dea8b73a7e8716c431fe296e3c
https://doi.org/10.1016/j.msea.2003.09.078
https://doi.org/10.1016/j.msea.2003.09.078
Publikováno v:
Materials Science and Technology. 16:1029-1036
The hot deformation behaviour of commercial and extra low interstitial (ELI)grades of Ti–6Al–4V (Ti-6-4) alloy with a transformed β starting microstructure has been studied in the temperature range 750–1100°C and strain rate range 0.001–10
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70c158bc824e8110137d3d86eb975d4d
https://doi.org/10.1179/026708300101508829
https://doi.org/10.1179/026708300101508829
Autor:
William G. Frazier, J. T. Morgan, J. C. Malas, T. Seshacharyulu, Y. V. R. K. Prasad, S. C. Medeiros
Publikováno v:
Materials Science and Engineering: A. 279:289-299
The hot deformation behavior of extra-low interstitial (ELI) grade Ti–6Al–4V alloy with Widmanstatten preform microstructure over wide temperature (750–1100oC) and strain rate ranges (0.001–100 s−1) has been studied with the help of process
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd55a61dfbc8bc3e8318082787e5e782
https://doi.org/10.1016/s0921-5093(99)00173-2
https://doi.org/10.1016/s0921-5093(99)00173-2
Autor:
J. T. Morgan, S. C. Medeiros, Y. V. R. K. Prasad, T. Seshacharyulu, William G. Frazier, J. C. Malas
Publikováno v:
Scripta Materialia. 41:283-288
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ee19b27689f30727dd442c8c2110524
https://doi.org/10.1016/s1359-6462(99)00163-3
https://doi.org/10.1016/s1359-6462(99)00163-3
Autor:
R. D. Irwin, S. C. Medeiros, S. Venugopal, J. C. Malas, A. Chaudhary, W. M. Mullins, William G. Frazier, E. A. Medina
Publikováno v:
Materials Science and Technology. 14:25-31
Modern control theory has been applied to the optimisation of microstructure development during hot extrusion. This approach involves state space type models for describing the material behaviour and the mechanics of the process. The problem of deter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::581ba4fe20c18ea187d10be24fe79b6e
https://doi.org/10.1179/mst.1998.14.1.25
https://doi.org/10.1179/mst.1998.14.1.25
Autor:
W. Garth Frazier, S. C. Medeiros, S. Venugopal, Anil Chaudhary, R. Dennis Irwin, Enrique A. Medina, W. M. Mullins, J. C. Malas, Raghavan Srinivasan
Publikováno v:
Metallurgical and Materials Transactions A. 28:1921-1930
A new approach for controlling microstructure development during hot working processes is proposed. This approach is based on optimal control theory and involves state-space type models for describing the material behavior and the mechanics of the pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fdefe5d584968626aa425168e635966f
https://doi.org/10.1007/s11661-997-0122-6
https://doi.org/10.1007/s11661-997-0122-6
Publikováno v:
Optimal Control Applications and Methods. 16:19-39
This paper describes a systematic procedure to build reduced-order analytical models for representing metal-forming processes. The non-linear finite element method (FEM) is used to model and simulate the metal-forming process. The procedure for const
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::634bb462ea9a6cf542d7ea7d22569a73
https://doi.org/10.1002/j.1099-1514.1995.tb00002.x
https://doi.org/10.1002/j.1099-1514.1995.tb00002.x
Autor:
Seshacharyulu Tamirisakandala, William G. Frazier, S. C. Medeiros, Prasad V. R. K. Yellapregada, Bhaskar Dutta, J. C. Malas
Publikováno v:
Advanced Engineering Materials. 5:667-669
High-Speed Deformation Processing of a Titanium Alloy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::244a7b8ca99cb8749d3d00f2fc0817cd
https://doi.org/10.1002/adem.200300368
https://doi.org/10.1002/adem.200300368
Publikováno v:
Journal of Materials Engineering and Performance. 2:703-713
A new strategy for systematically calculating near optimal control parameters for hot deformation processes is presented in this article. This approach is based on modern control theory and involves deriving state-space models directly from available
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e42ad0e7dbea218116d05f5f8b1dc2f
https://doi.org/10.1007/bf02650060
https://doi.org/10.1007/bf02650060
Publikováno v:
Journal of Materials Engineering and Performance. 2:727-732
Emerging methods, procedures, and performance measures are presented for the design of intelligent materials processing systems that combine both comprehensive new process representations and correspondingly advanced process control systems. The desc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c59c30a882dada6dfe7c5ff8ca348344
https://doi.org/10.1007/bf02650063
https://doi.org/10.1007/bf02650063