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Most Cited Journal Articles 1999-Materials Science

Following is a CAS database record representing a highly cited journal article.

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CAPLUS COPYRIGHT 2002 ACS

TITLE:	Ordered intermetallic alloys, part III: gamma titanium aluminides
AUTHOR(S):	Kim, Young-Won
CORPORATE SOURCE:	Material. Processes Division, UES, Dayton, OH, USA
SOURCE:	JOM (1994), 46(7), 30-9 CODEN: JOMMER; ISSN: 1047-4838
PUBLISHER:	The Minerals, Metals, and Materials Society
LANGUAGE:	English

ABSTRACT:
A review, with 162 refs., on the development and improvement of second-generation gamma alloys of engineering importance, Ti-48Al-2(Cr or Mn)-2Nb and derivs. These alloys exhibit properties, in duplex microstructural forms, meeting requirements for some gas-turbine and automobile engine components that may be used up to 760.degree.C. These achievements were made possible by an improved understanding of both fundamental and practical aspects of these aluminides, such as phase relations, microstructure evolution and control, processing, microstructure-property relationships, and deformation and fracture processes. Nevertheless, widespread higher performance and/or higher-temp. applications of these alloys appear unlikely unless the current properties are dramatically improved.