Zobrazeno 1 - 10
of 62
pro vyhledávání: '"M. G. Mendiratta"'
Autor:
Bernard Patrick Bewlay, John J. Lewandowski, Melvin Robert Jackson, Ji-Cheng Zhao, M. G. Mendiratta, P. R. Subramanian
Publikováno v:
MRS Bulletin. 28:646-653
This article reviews the most recent progress in the development of Nb-silicide-based in situ composites for potential applications in turbine engines with service temperatures of up to 1350°C. These composites contain high-strength Nb silicides tha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f37435137a1d173b01015a642e9c1f1
https://doi.org/10.1557/mrs2003.192
https://doi.org/10.1557/mrs2003.192
Autor:
Dennis M. Dimiduk, Triplicane A. Parthasarathy, P. M. Hazzledine, M. G. Mendiratta, Sriram Seshagiri
Publikováno v:
Metallurgical and Materials Transactions A. 29:37-47
More than 5 years ago, wrought processing was first used to produce fully lamellar (FL) microstructures in TiAl alloys having grain sizes less than ≈400 µm. These alloys exhibit an improvement in overall balance of properties, especially at high t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10863efaa6389c7c97aee4a9820a63e3
https://doi.org/10.1007/s11661-998-0157-3
https://doi.org/10.1007/s11661-998-0157-3
Publikováno v:
Materials Science and Engineering: A. :1-13
Recent studies have shown that Nb-base refractory intermetallic materials may be viable for service at temperatures that compete with the nickel-based superalloys in structural applications. While advanced intermetallics in monolithic form have limit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc66791612537b5ec23a924ae32cc63c
https://doi.org/10.1016/s0921-5093(97)00555-8
https://doi.org/10.1016/s0921-5093(97)00555-8
Publikováno v:
Scripta Materialia. 37:315-321
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87ec4f2f7a6ed983f69ff4e4cd9d2080
https://doi.org/10.1016/s1359-6462(97)00099-7
https://doi.org/10.1016/s1359-6462(97)00099-7
Publikováno v:
Acta Materialia. 45:3135-3142
The primary and steady-state creep behavior of ductile-phase toughened Nb{sub 5}Si{sub 3}/Nb in situ composites has been simulated using the analytical and finite element (FE) continuum techniques described in Part 1 of this paper. The material const
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a5a8067dbc3329f004ce2c8256dee86c
https://doi.org/10.1016/s1359-6454(97)00009-8
https://doi.org/10.1016/s1359-6454(97)00009-8
Publikováno v:
Metallurgical and Materials Transactions A. 27:3903-3912
The notch fracture behavior of twoγ-titanium aluminide alloys, having duplex and fully lamellar microstructures, has been investigated as a function of notch geometry and test temperature. The unnotched tensile properties and notch fracture loads ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56a3cfd87f40f68c8b6d4741e5604ab6
https://doi.org/10.1007/bf02595639
https://doi.org/10.1007/bf02595639
Publikováno v:
Metallurgical and Materials Transactions A. 27:2583-2592
A detailed investigation of the effects of microstructural changes on the mechanical behavior of twoin situ intermetallic composites with Cr and Cr2Hf phases in the Cr-Hf system was performed. The nominal compositions (at. pct) of the alloys were Cr-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d6773d58758d2ee3aadf5d5e9074dca
https://doi.org/10.1007/bf02652352
https://doi.org/10.1007/bf02652352
Publikováno v:
JOM. 48:33-38
A new generation of refractory material systems with significant increases in temperature capability is required to meet the demands of future aerospace applications. Such materials require a balance of properties such as low-temperature damage toler
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f89d97b267797be45de29460cdb7223
https://doi.org/10.1007/bf03221360
https://doi.org/10.1007/bf03221360
Publikováno v:
Metallurgical and Materials Transactions A. 26:1767-1776
The unnotched and notched tensile behavior of the β-phase constituent (Nb with Si in solid solution) of the (Nb)/Nb5Si3 composite has been investigated at room temperature and -196 °C. At room temperature, the unnotched tensile behavior comprises s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9fa18f99485d95955a11334150b2847a
https://doi.org/10.1007/bf02670764
https://doi.org/10.1007/bf02670764
Publikováno v:
Scripta Metallurgica et Materialia. 32:1227-1232
The compressive creep data for Nb5Si3 can be described by the following relation: e = 2.773 × 10 −22 kT exp ( −28125 T σ 0.8±0.1 in the temperature range of 1200 to 1400 °C and stress regime of 52 to ~174 MPa. Based on a stress exponent of ~1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d11e8d33dc64ca8bdc54e996aebc28b5
https://doi.org/10.1016/0956-716x(95)00130-n
https://doi.org/10.1016/0956-716x(95)00130-n