Zobrazeno 1 - 10
of 608
pro vyhledávání: '"A. Titanium aluminides, based on TiAl"'
Publikováno v:
Intermetallics. 18:2145-2153
Repeated stress-relaxation experiments are conducted from RT to 1073 K on three different gamma + alpha(2) TiAl alloys (Ti-46Al with 8Ta, 8Nb or 7Nb) One is a conventional duplex alloy, the two other are novel "convoluted" cast titanium aluminides de
Publikováno v:
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
In this work, a Tie48Al alloy was induction melted and allowed to cool and solidify in a ZrO2 based crucible with an inner layer of Y2O3, and the effect of superheating parameters (time and temperature) on the metalecrucible interface, alloy chemical
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
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A new family of Al-matrix composites containing γ-TiAlintermetallic reinforcement particles has been processed by extruding aluminium and TiAl powders in different proportions up to 50% of the intermetallic. To modify the size and distribution of th
Autor:
Kouichi Maruyama, Dongyi Seo, Mark G. Blackford, Hanliang Zhu, Tao Wei, Lyndon Edwards, Robert P. Harrison, D.G. Carr, Ken Short
A Ti-45Al-2Nb-2Mn + 0.8 vol.% TiB2 (at.%) alloy with fully lamellar microstructure consisting of hexagonal-close-packed (hcp) α2 and face-centred-tetragonal (fct) γ phases was irradiated by implanting helium ions to different fluences. Microstructu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe094fe1773ea0f7891e38108d68d831
https://nrc-publications.canada.ca/eng/view/object/?id=f379eba5-70f7-429b-becc-21372b1bc43b
https://nrc-publications.canada.ca/eng/view/object/?id=f379eba5-70f7-429b-becc-21372b1bc43b
Publikováno v:
Intermetallics. 9:923-927
Tensile creep tests were conducted on directionally solidified TiAl alloys to discern the effect of alloying and lamellar orientation. A seeding technique was used to align the TiAl/Ti3Al lamellar structure parallel to the growth direction for alloys
Publikováno v:
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
In this work a Ti–48Al alloy was induction melted in a CaO crucible using different superheating temperatures. In the first stage, samples were allowed to cool to room temperature inside the crucibles, in order to simulate a low cooling rate, and i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe6216b8010447333da80d85a161f15b
Publikováno v:
INTERMETALLICS. 8(5-6):511-517
Mechanical properties of the lamellar microstructure of TiAl-base alloys are extremely anisotropic with respect to the lamellar orientation. However, if the lamellar microstructure can be aligned parallel to the growth direction, the resulting materi
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
Digital.CSIC: Repositorio Institucional del CSIC
Consejo Superior de Investigaciones Científicas (CSIC)
instname
Digital.CSIC: Repositorio Institucional del CSIC
Consejo Superior de Investigaciones Científicas (CSIC)
Dislocation pinning processes have been examined by studying strain-ageing effects in a range of γ-TiAl alloys. The yield stress increase after static strain ageing is shown to depend on the prior strain imposed before the ageing step and the time a
Autor:
Ulf Ackelid, Claudio Francesco Badini, Silvia Sabbadini, Matteo Pavese, Paolo Fino, O. Tassa, Sara Biamino, P. Gennaro, Andrea Penna
Gas atomized Ti–48Al–2Cr–2Nb powders have been used as precursor material in order to evaluate additive manufacturing for the production of near-net-shape γ-TiAl specimens to be employed in the field of aero-engines. In particular electron bea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::046095eca2c5d4560e74d3f65ae181f2
http://hdl.handle.net/11583/2379022
http://hdl.handle.net/11583/2379022
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