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ORNL/TM-11039 Metals and Ceramics D
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Page 9.3 Composite Fabrication . .
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LIST OF TABLES Table Page 5,l. Prop
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Figure 8.3. 9.1.. 9.2. 9.3. 9.4. 9.
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Figure 10.18. 10.19. 10.20. 10. 21.
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ACKNOWLEDGMENTS The author wishes t
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CWCTERIZATION AND CONTROL OF THE FI
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1. INTRODUCTION During the last sev
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The development of low-density, hig
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3. FABRICATION TECHNIQUES 3.1 Intro
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11 isostatic pressing (HIP), can be
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13 utilizing the comparatively low-
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16 ORN L- DWG 85- 4 i 4 18RS HEAT1
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5. COMPOSITE DESIGN 5.1 Introductio
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21 5,2 Mechanical Considerations Th
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23 GRNL-DWG 88-74 26 Figure 5.1. Th
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25 Equation (6) shows that the stre
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27 of reinforcement. There are two
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29 in strength. Conversely, the fib
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-I_- Table 5.2. Thermally induced a
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33 1.2 ID 0.8 ;.r 1 e fi v 0.6 a4 Q
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35 will affect the interface and, t
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38 fiber-matrix bonding; thus, a fu
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40 In the analysis of the mechanica
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42 1.2 I .o .6 - E f aa '3 0.6 cn 3
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44 will result in the matrix being
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I I MATRIX MATRIX Figure 7.1. Schem
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48 F = 2a2H, where H is the hardnes
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50 OWL-PHOTO 6866-86 i d c I 20pm F
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52 where Af is the surface area of
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54 Figure 7.4. Tensile and shear st
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56 I I I / -c rc -c / . Om / / I /
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58 ORNL-OWG 87-i 8234 F Figure 7.7.
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coating and the distribution of she
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62 O m PHOTO 6676-87 i SIC FIBERS -
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the composite, therefore an interme
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methane as the reactant and is, thu
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9. EXPERIMENTAL PROCEDURES 9.1 Depo
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71 furnace. The furnace is, therefo
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73 further protection. A 6.5-cm-dia
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76 of the specimen slowly decreased
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78 The programmer is also equipped
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80 graphite holders through multipl
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82 temperature by simply switching
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84 ORNk DWG 87- 4494 3 METAL LOGR A
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86 9.5 Fracture Surface Analvsis Th
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- Page 108 and 109: 90 9.8.2 Tensile testinq In an init
- Page 110 and 111: 92 ORNL-DUG 85-11767R.2 ? ! 2 f CEN
- Page 112 and 113: 94 fracture of individual Nicalon f
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- Page 117 and 118: 99 compared with the dimensions acq
- Page 119 and 120: 101 Table 10.3. Strength and modulu
- Page 121 and 122: 100 ORNL- DWG 87-1 6292 R CVI-I73 7
- Page 123 and 124: BULK FIBER SAMPLE NO. 173: FIBER SU
- Page 125 and 126: 107 similar samples show the film o
- Page 127 and 128: Figure 10.7. SEM micrographs showin
- Page 129 and 130: 111 Table 10.4. Thermochemical eval
- Page 131 and 132: 100 ORNL-DUG 87-15969R CVI- 170 75
- Page 133 and 134: 115 Analysis conversion of of the m
- Page 135 and 136: 117 A 1 I S N 31 N I I'd I LN 3H 3
- Page 137 and 138: 119 n 0 W n 9 v P n w- n v
- Page 139 and 140: 121 s m f c I m z - Ir 2 a 0 9 In u
- Page 141 and 142: Figure 10.14. SEM micrographs of in
- Page 143 and 144: J ORNL-DWC 88-6289 z cF u) w I- z O
- Page 145 and 146: 127 300 I CVI-480 I I 1 0 R N L-DWG
- Page 147 and 148: io0 I I I I CVI- 172 75 - - 0 z v -
- Page 149 and 150: 131 RAL 033021 RAL 033023 Figure 10
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- Page 158 and 159: 140 Table 10.9. Thermochemical eval
- Page 160 and 161: OANL-bwo 88-9025 ORNL-DWG 66-9027 I
- Page 162 and 163: 144 uncoated tows were 14 k 2 pm; t
- Page 165 and 166: 11. DISCUSSION 11.1 Constituent Pro
- Page 167 and 168: 149 The properties of CVD Sic have
- Page 169 and 170: 151 11.2.1 Matrix cracking In the N
- Page 171 and 172: 153 OWL-DWG 88-10677 CVI- (78 22 I
- Page 173 and 174: 155 Table 11.3. Property comparison
- Page 175 and 176: 157 a f ““f f- L c I Figure 11.
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- Page 179 and 180: 161 The equations demonstrate that
- Page 181 and 182: 163 calculations of the matrix depo
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- Page 185 and 186: 167 Table 11.4. Properties of glass
- Page 187 and 188: 169 rare-earth magnets and coils to
- Page 189 and 190: 171 stress fields along the fiber i
- Page 191 and 192: 173 11.3.2 Tensile testinp, The use
- Page 193 and 194: 17 5 contraction have been ignored,
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- Page 198 and 199: 180 reduces fiber strength. The str
- Page 200 and 201: 182 15. R. A. J. Sambell, D. H. Bow
- Page 202 and 203: 184 41. A. J. Caputo et al., "Fiber
- Page 204 and 205: 186 71, N. F. DOW, Study of Stresse
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188 98. M. H. Rawlins et al., "Inte
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190 125. R. Warren and C-H. Anderss
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192 155. M. F. Doerner and W, D. Ni
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APPENDIX A. AUGER ELECTRON SPECTROS
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APPENDIX B DETAILS OF THE FIBER-SHE
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200 Those for the fiber (primed) ar
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202 89-92. 93. 94. 95" 96. 97. 98-9
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204 130-133. E. I. DUPONT DE NEMOUR
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206 173. NATIONAL ACADEMY OF SCIENC
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208 203 - 204. 20s. 206 - 207. 208.