Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Robert L. Goetz"'
Publikováno v:
Metallurgical and Materials Transactions A. 48:1666-1677
The effects of thermo-mechanical processing parameters on the resulting microstructure of an experimental Nickel-based superalloy containing 24 wt pct Co were investigated. Hot compression tests were performed at temperatures ranging from 1293 K to 1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a0db1b542237d36b826e0ccfcb5f586
https://doi.org/10.1007/s11661-017-3977-1
https://doi.org/10.1007/s11661-017-3977-1
Publikováno v:
Journal of Materials Science. 51:5122-5138
The application of grain boundary engineering (GBE) techniques to enhance the physical and mechanical properties of Ni-based superalloys could potentially increase the efficiency of turbine engines. Compared to traditional GBE processes that require
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ba6a0dfca172d2edd8b592bed0b271d
https://doi.org/10.1007/s10853-016-9815-9
https://doi.org/10.1007/s10853-016-9815-9
Autor:
Robert L. Goetz, Stoichko Antonov, Dieter Isheim, Martin Detrois, Eugene Sun, David N. Seidman, Sammy Tin, Randolph C. Helmink
Publikováno v:
Materials & Design, Vol 86, Iss, Pp 649-655 (2015)
In response to the increasing need for higher operating temperatures in advanced gas turbine engines, new alloying concepts are required to develop novel nickel-base superalloys with enhanced temperature capabilities. Recent studies have shown that p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f6f8eaf12bd4f597f3975fcbca5d83d
https://doi.org/10.1016/j.matdes.2015.07.171
https://doi.org/10.1016/j.matdes.2015.07.171
Publikováno v:
Materials Science and Engineering: A. 647:157-162
Enhancement of the physical and mechanical properties of polycrystalline Ni-base superalloys may be achieved through control of the grain boundary structure and is dependent on the optimization of the thermal–mechanical processing parameters. Super
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b0467b13ea2ea4d3a2d89ec95a421bf
https://doi.org/10.1016/j.msea.2015.09.022
https://doi.org/10.1016/j.msea.2015.09.022
Publikováno v:
Metallurgical and Materials Transactions A. 46:3943-3959
The plastic-flow behavior which controls the formation of bulk residual stresses during final heat treatment of powder-metallurgy (PM), nickel-base superalloys was quantified using conventional (isothermal) stress-relaxation (SR) tests and a novel ap
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0aacd335db17a0812540806c21473d2
https://doi.org/10.1007/s11661-015-3033-y
https://doi.org/10.1007/s11661-015-3033-y
Publikováno v:
Materials Science and Engineering: A. 627:95-105
Traditional processing routes for Grain Boundary Engineering (GBE) often require multiple iterations of cold work followed by short annealing cycles. Since each iteration of deformation and annealing imparts a modest increase in the fraction of twin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c905921e819cd0b1cb5e8094b09f9e71
https://doi.org/10.1016/j.msea.2014.12.112
https://doi.org/10.1016/j.msea.2014.12.112
Publikováno v:
Superalloys 2016
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f698bac70c23a949dbaedd1e6114f271
https://doi.org/10.1002/9781119075646.ch49
https://doi.org/10.1002/9781119075646.ch49
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:
Journal of Manufacturing Science and Engineering. 118:235-243
The development of temperature gradients and thermal stresses during the heating of large ingots has been investigated with special reference to the selection of heating schedules for brittle intermetallic materials such as titanium aluminides. A 1-D
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1872860a5a40ce1601d922cd6c79aedf
https://doi.org/10.1115/1.2831016
https://doi.org/10.1115/1.2831016
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