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Title: Reliable Seal Performance Using Glass-Ceramic Composites.

Abstract

Abstract not provided.

Authors:
; ;
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1137312
Report Number(s):
SAND2007-1620C
523714
DOE Contract Number:
AC04-94AL85000
Resource Type:
Conference
Resource Relation:
Conference: Proposed for presentation at the UNM Research and Creativity Symposium held April 3, 2007 in Albuquerque, NM.
Country of Publication:
United States
Language:
English

Citation Formats

Corral, Erica L., Loehman, Ronald E., and Mclemore, Kira. Reliable Seal Performance Using Glass-Ceramic Composites.. United States: N. p., 2007. Web.
Corral, Erica L., Loehman, Ronald E., & Mclemore, Kira. Reliable Seal Performance Using Glass-Ceramic Composites.. United States.
Corral, Erica L., Loehman, Ronald E., and Mclemore, Kira. Thu . "Reliable Seal Performance Using Glass-Ceramic Composites.". United States. doi:. https://www.osti.gov/servlets/purl/1137312.
@article{osti_1137312,
title = {Reliable Seal Performance Using Glass-Ceramic Composites.},
author = {Corral, Erica L. and Loehman, Ronald E. and Mclemore, Kira},
abstractNote = {Abstract not provided.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Mar 01 00:00:00 EST 2007},
month = {Thu Mar 01 00:00:00 EST 2007}
}

Conference:
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  • Very few of the commercially available high performance fibers with low densities, high Young's moduli, and high tensile strengths possess all the necessary property requirements for providing either metal matrix composites (MMC) or ceramic matrix composites (CMC) with high structural reliability. These requirements are discussed in general and examples are presented of how these property guidelines are influencing fiber evaluation and improvement studies at NASA aimed at developing structurally reliable MMC and CMC for advanced gas turbine engines.
  • During the early days of the Canada deuterium uranium (CANDU) power reactor program, operators and designers learned that close attention to reactor coolant pump (RCP) seals was imperative for achieving high-capacity factors. This lesson was driven home by unpredictable and frequent seal failures in the following early CANDU plants. Those seal failures caused forced outages, maintenance/dose burdens, and heavy-water losses. Because then-available industrial seal technology proved inadequate in providing satisfactory fixes, Atomic Energy of Canada Limited (AECL) began a major effort to understand seal performance, develop improved designs, and evolve the station technology needed to attain the RCP seal reliablemore » lifetime requirement of 4 yr. The payback has been huge: Fixes have been successfully implemented and excellent performance is now being achieved with AECL improved RCP seals. In this paper, the CANDU RCP seal experience, the methodology (with emphasis on the station's role) for attaining reliable long RCP seal life, and the adaptability of this technology to US light water reactors (LWRs) are discussed.« less
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