Understanding Neutron Radiography Reading VII-NRHB Part 2 of 2

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127 A.c Defects in dishing A filled up and deformed dishing can be seen on Fig. 4.7. A.c.12 Dishing filled-up A.c.13 Dishing deformed Fig. 4.7 Filled -up and deformed dishing.
128 A.d Central void Central void can be detected in one pellet or going through several pellets (as shown on Fig. 4.8) or can even go through the whole fuel column. A.d.14 Central void in one pellet A.d.1 5 Central void through several pellets Fig. 4.8 Central void in one and in several pellets A.e Defects <strong>of</strong> fuel-to-clad gap Defects <strong>of</strong> fuel-to-clad gap are hard to detect and even harder to reproduce in print. Therefore no such example is given here.
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Understanding Neutron Radiography R
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Nuclear Power Reactors applications
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The Magical Book of Neutron Radiogr
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ASNT Certification Guide NDT Level
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4. Interpretation/Evaluation • Im
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Fion Zhang at Shanghai 21th July 20
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Charlie Chong/ Fion Zhang http://gr
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Quantum Mechanics Part 3 of 4 - The
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Neutron Radiography ■ https://www
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2. RECOMMENDED PRACTICE FOR THE NEU
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2.1 APPLICABLE DOCUMENTS a) Neutron
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2.3 EQUIPMENT 2.3.1 General 2.3.1.1
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Charlie Chong/ Fion Zhang
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2.3.3.2 For the neutron radiography
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Discussion Subject 1: 2.3.3.2 For t
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2.4 RADIOGRAPHIC TECHNIQUES 2.4.1 G
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2.4.2.3 When using overlapping radi
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Table 1.4 The Characteristics of So
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Image Converters ■ ■ ■ Indire
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2.4.4 Image Recorders 2.4.4.1 As th
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2.4.5 Cassettes 2.4.5.1 The cassett
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2.4.7 Geometry 2.4.7.1 The manner i
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2.4.8 Density of the Radiograph 2.4
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2.4.10 Image Quality Indicators (IQ
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2.4.11.2 This should record the fol
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2.4.12.3 When track etch materials
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2.5 MEASUREMENT 2.5.1 Definition an
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Fuel Pins Charlie Chong/ Fion Zhang
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2.5.3 The Neutron Radiographic Tech
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2.5.5 Making the Measurements 2.5.5
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Table 1.4 The Characteristics of So
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2.5.5.7 Image recorders to be used
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2.5.5.10 Cassettes of the vacuum ty
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2.5.6 Image Enhancement 2.5.6.1 Ele
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2.7 FILM HANDLING 2.7.1 Storage of
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2.8 FILM PROCESSING 2.8.1 General T
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2.8.3.4 Development Normal developm
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2.8.3.8 Fixer Neutralising (?) The
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2.8.3.14 Drying Drying is a functio
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Manual Processing ■ https://www.y
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2.10 REFERENCE RADIOGRAPHS Part 4 o
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2.12 RECORDS AND REPORTS 2.12.1 Rec
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3. NRWG INDICATORS FOR TESTING OF B
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Those indicators, fabricated at Ris
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Fig. 3.1 The ASTM Beam Purity Indic
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Picture and drawing of Beam Purity
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Charlie Chong/ Fion Zhang Standard
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DL Film densities measured through
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BPI Radiograph Charlie Chong/ Fion
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The body of the BPI is made of a 8
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The body of the BPI-F consists of a
Page 107 and 108: Charlie Chong/ Fion Zhang
Page 109 and 110: 3.1.3 Sensitivity Indicator (SI) In
Page 111 and 112: The calibration fuel pin CFP-E1 (Fi
Page 113 and 114: Charlie Chong/ Fion Zhang Fig. 3.3
Page 115 and 116: Charlie Chong/ Fion Zhang BPI & AST
Page 117 and 118: Correct placement of Indicators in
Page 119 and 120: 3.2 ASSESSMENT OF TEST RESULTS FOR
Page 121 and 122: From those values the neutron expos
Page 123 and 124: From those values the neutron expos
Page 125 and 126: BPI Radiograph Charlie Chong/ Fion
Page 127 and 128: Pair Production Charlie Chong/ Fion
Page 129 and 130: Pair Production Charlie Chong/ Fion
Page 131 and 132: From those values, exposure contrib
Page 133 and 134: 3.2.4 Assessment for the Calibratio
Page 135 and 136: Radial dimensions • Pellet diamet
Page 137 and 138: 4. ATLAS (COMPACT VERSION) OF DEFEC
Page 139 and 140: It contains a collection of typical
Page 141 and 142: Those components are marked with ca
Page 143 and 144: Fig. 4.1 Components of a typical nu
Page 145 and 146: 4.2.3 Defect Location On Fig. 4.2 t
Page 147 and 148: 4.2.4 Defect Nature and Origin Defe
Page 149 and 150: 4.2.8 Measuring of Dimensions Besid
Page 151 and 152: 4.3.2 The Use of the Collection in
Page 153 and 154: Insert Page 137~149 Charlie Chong/
Page 155 and 156: 124 A.a.5 Corner chips A.a.6 Other
Page 157: 126 A.b Defects in pellet-to-pellet
Page 161 and 162: 130 B.a Hydrides in cladding Hydrid
Page 163 and 164: 132 C.b Defects of spring sleeve Fi
Page 165 and 166: 134 D. Defects in end plugs Fig. 4.
Page 167 and 168: Defects not shown in the present Co
Page 169 and 170: Table 5.1 Neutron Radiography Insta
Page 171 and 172: Table 5.1 Contd. Site Facility Came
Page 173 and 174: Table 5.2 Contd. I S1te Facility Co
Page 175 and 176: Table 5.3 Site Contd. Facility Karl
Page 177 and 178: 145 -y, n SHIELDING a. SHIELDING AS
Page 179 and 180: 0 I 10 I 147 WlJJm • m g Alumini
Page 181 and 182: 149 . . • . . . • • I . J '
Page 183 and 184: 0 • ":> ··,p ,. ... en ... BEAM
Page 185 and 186: neutron source cassette image recor
Page 187 and 188: 155 PNEUMATIC OPERA TI N BEAM C G S
Page 189 and 190: DIDO REACTOR SHELL WALL REACTOR SHI
Page 191 and 192: 5 8 020 --r REACTOR RE _liUL CO 12
Page 193 and 194: 161 e CHANNEL WllH FUEL f)·r-: ;.t
Page 195 and 196: t POOL WATER J I I .. ·l i I FLANG
Page 197 and 198: 165 OBJECT TA BLE TOP-SHIELDING REA
Page 199 and 200: -- - 1 Removable precollimation 2 I
Page 201 and 202: 169 _-, . II II I I ___ r-----J 1 .
Page 203 and 204: Nuclear fuel pellets made of proces
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Peach - 我爱桃子 Charlie Cho
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Good Luck Charlie Chong/ Fion Zhang
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Understanding Neutron Radiography Reading VII-NRHB Part 2 of 2

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