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ASTM Selected Technical Papers
Mechanical, Thermal and Environmental Testing and Performance of Ceramic Composites and Components
By
MG Jenkins
MG Jenkins
1Department of Mechanical Engineering
University of Washington
?
Seattle, WA 98195-2600 Symposium co-chair and co-editor
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E Lara-Curzio
E Lara-Curzio
2
Mechanical Characterization and Analysis Group Oak Ridge National Laboratory
?
Oak Ridge, TN 37831-67064 Symposium co-chair and co-editor
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ST Gonczy
ST Gonczy
3
Gateway Materials Technology
?
Mt. Prospect, IL 60056 Symposium co-chair and co-editor
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ISBN-10:
0-8031-2872-X
ISBN:
978-0-8031-2872-9
No. of Pages:
340
Publisher:
ASTM International
Publication date:
2000

Many of the key thermomechanical tensile properties of continuous-fiber ceramic composites (CFCC), such as ultimate fast-fracture strength and long-term rupture strength, are controlled by the deformation and fracture properties of the reinforcing fibers. For this reason, research efforts are ongoing at NASA to develop fiber test procedures and composite property models that will allow use of the fiber data to accurately predict these CFCC strength properties for a variety of potential application conditions. Because of the current interest in two-dimensional woven composites, emphasis is being placed on the testing of single small-diameter fibers and single-ply fabrics. The primary objective of this paper is to review the status of these efforts. It is shown that the fabric tests and procedures need further development in order to use bundle strength theory to predict the fast-fracture strength of as-fabricated CFCC. On the other hand, the single-fiber tests using simple composite rupture models yield predictions in good agreement with available data for CFCC rupture strength at high temperatures.

1.
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,
J. A.
, “
Property Goals and Test Methods for High Temperature Ceramic Fibre Reinforcement
,”
Ceramics International
, Vol.
23
,
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, p. 283.
2.
DiCarlo
,
J. A.
and
Dutta
,
S.
, “
Continuous Ceramic Fibers for Ceramic Composites
”,
Handbook On Continuous Fiber Reinforced Ceramic Matrix Composites
Lehman
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,
El-Rahaiby
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, and
Wachtman
,
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, Eds.,
CIAC, Purdue University
,
West Lafayette, Indiana
,
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, pp. 137–183.
3.
Tressler
,
R. E.
and
DiCarlo
,
J. A.
, “
High Temperature Mechanical Properties of Advanced Ceramic Fibers
,”
Proceedings for HTCMC-1
,
Naslain
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,
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, and
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,
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,
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, p.33.
4.
Tressler
,
R. E.
and
DiCarlo
,
J. A.
, “
Creep and Rupture of Advanced Ceramic Fiber Reinforcements
,” Proceedings for HTCMC-2, Vol.
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,
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, Vol.
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,
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, p. 141.
5.
DiCarlo
,
J. A.
and
Yun
,
H. M.
, “
Thermostructural Performance Maps for Ceramic Fibers
,”
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,
Florence, Italy
,
1998
.
6.
DiCarlo
,
J. A.
and
Yun
,
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, “
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,”
Proceedings of ICCM-12
,
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,
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7.
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,”
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,
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, pp. 98–102.
8.
Corten
,
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Micromechanics and Fracture Behavior of Composites
,”
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9.
Lara-Curzio
,
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, “
On the Relationship Between the Parameters of the Distributions of Fiber Diameters, Breaking Loads and Fiber Strengths
,” submitted for publication in the
Journal of Materials Science Letters
,
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.
10.
DiCarlo
,
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and
Bansal
,
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Fabrication Routes for Continuous Fiber-Reinforced Ceramic Composites (CFCC)
,”
NASA/TM
-
1998
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11.
Yun
,
H. M.
and
DiCarlo
,
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, “
Thermomechanical Characterization of SiC Fiber Tows and Implications for CMC
,”
Proceedings of ICCM-12
,
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,
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.
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, pp. 79–94.
13.
Yun
,
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,
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, “
Thermostructural Behavior of SiC Fiber Fabrics and Implications for CMC
,” submitted for publication in
Ceramic Engineering and Science Proceedings
,
2000
.
14.
Yun
,
H. M.
,
Goldsby
,
J. C.
, and
DiCarlo
,
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, “
Tensile Creep and Stress-Rupture Behavior of Polymer Derived SiC Fibers
,”
Ceramic Transactions
, Vol.
46
,
1994
, pp. 17–28.
15.
Yun
,
H. M.
and
DiCarlo
,
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, “
Time/Temperature Dependent Tensile Strength of SiC and Al2O3-Based Fibers
,”
Ceramic Transactions
, Vol.
74
.
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, pp. 17–26.
16.
Larson
,
F. R.
and
Miller
,
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, “
A Time-Temperature Relationship for Rupture and Creep Stresses
,”
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, Vol.
74
,
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, pp. 765–775.
17.
Zhu
,
S.
,
Mizuno
,
M.
,
Nagano
,
Y.
,
Cao
,
J.
,
Kagawa
,
Y.
, and
Kaya
,
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, “
Creep and Fatigue Behavior in an Enhanced SiC/SiC Composite at High Temperature
,”
Journal of American Ceramic Society
, Vol.
81
, No.
9
,
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, pp. 2269–2277.
18.
Holmes
,
J. W.
and
Wu
,
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, “
Elevated Temperature Creep Behavior of Continuous Fiber-Reinforced Ceramics
,”
High Temperature Mechanical Behavior of Ceramic Composites
,
Nair
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, and
Jakus
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, Eds.,
Butterworth-Heinemann
,
Newton, MA
,
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, pp.193–259.
19.
Morscher
,
G. N.
, “
Tensile Stress Rupture of SiC/SiC Minicomposites with Carbon and Boron Nitride Interphases at Elevated Temperatures in Air
,”
Journal of American Ceramic Society
, Vol.
80
, No.
8
,
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, pp. 2029–2042.
20.
Monkman
,
F. C.
and
Grant
,
N. J.
, “
An Empirical Relationship between Rupture Life and Minimum Creep Rate
,”
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, Vol.
56
,
1956
, pp. 593–620.
21.
Yun
,
H. M.
,
Goldsby
,
J. C.
, and
DiCarlo
,
J. A.
, “
Time-Temperature Effects on the Rupture and Creep Strength of Oxide Fibers
,” to be published.
22.
Zuiker
,
J. R.
A Model for the Creep Response of Oxide-Oxide Ceramic Matrix Composites
”,
Thermal and Mechanical Test Methods and Behavior of Continuous-Fiber Ceramic Composites
, ASTM STP 1309,
Jenkins
M.
,
Gonczy
S.
,
Lara-Curzio
E.
,
Ashbaugh
N.
, and
Zawada
L.
, Eds.,
American Society for Testing and Materials
,
West Conshohocken, PA
,
1997
, pp. 250–263.
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