Journal ArticleDOI
Strength and ductility in TiAl alloys
TLDR
In this paper, the Hall-Petch relationship with high constants in fully-lamellar material is explained as a combined function of grain-size and deformation-anisotropy.About:
This article is published in Intermetallics.The article was published on 1998-01-01. It has received 173 citations till now. The article focuses on the topics: Ductility & Fracture toughness.read more
Citations
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Journal ArticleDOI
Advances in gamma titanium aluminides and their manufacturing techniques
TL;DR: Gamma titanium aluminides display attractive properties for high temperature applications as discussed by the authors, including microstructure, deformation mechanisms, and alloy development, which has led to the production of gamma-titanium aluminide sheets.
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TiAl alloys in commercial aircraft engines
TL;DR: In this paper, the authors describe aspects of the science and technology of titanium aluminide (TiAl) alloy system and summarise the low and high temperature mechanical and environmental properties exhibited by different alloy generations.
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Novel design concepts for gamma-base titanium aluminide alloys
TL;DR: In this paper, the authors examine more closely these strengthening processes in order to assess their potential for extending the service range of the titanium aluminides towards higher temperatures, with particular emphasis on processing routes acceptable for these materials.
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Modeling concepts for intermetallic titanium aluminides
TL;DR: In this article, a selection of such models is introduced and explained in a comprehensive way, and several experimental approaches that could characterize the relevant deformation mechanisms are described that could be used to describe thermomechanically controlled processes.
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Advances in Gammalloy Materials-Processes-Application Technology: Successes, Dilemmas, and Future
Young-Won Kim,Sang-Lan Kim +1 more
TL;DR: In this article, the authors evaluate current engineering gammalloys and their limitations and introduce eight strengthening pathways that can be adopted immediately for the development of advanced, higher temperature gammaloys.
References
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Journal ArticleDOI
Ordered intermetallic alloys, part III: Gamma titanium aluminides
TL;DR: In this paper, an improved understanding of both fundamental and practical aspects of these aluminides, such as phase relations, microstructure evolution and control, processing, micro-structure-property relationships, and deformation and fracture processes, is presented.
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Gamma titanium aluminides
TL;DR: The first International Symposium on Gamma Titanium Aluminides (ISGTA) was held in conjunction with the TMS '95 Annual Meeting, 13-16 February 1995, Las Vegas, under the sponsorship of the Structural Materials Division--Titanium Committee as discussed by the authors, which covered almost the entire aspects of the current gamma technology such as fundamentals, alloy development and design, process development, microstructure and property evaluation, and applications.
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Progress in the understanding of gamma titanium aluminides
Young-Won Kim,Dennis M. Dimiduk +1 more
TL;DR: In this article, the authors present a review of the current understanding of the above specific aspects and the processing-microstructure-property relationships, and identify pacing problems and applications, as well as identify pacing issues and applications.
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Tensile properties and fracture toughness of TiAl alloys with controlled microstructures
TL;DR: In this paper, the authors improved the mechanical properties by careful control of both microstructure and alloy additions in two-phase TiAl alloys based on Ti-47Al-2Cr-2Nb (at%).