CHEM02200704003 Nilamadhab Pandhy - Homi Bhabha National ...

More documents

Recommendations

Info

Fig.3.10: Schematic of electrical equivalent circuit for (a) uncoated, (b) Ti, TiO 2 and duplex Ti-TiO 2 coated 304L SS…………………………………… 67 Fig.3.11: Schematic of electrochemical atomic force microscope………………. 71 Fig. 4.1: Ex-situ surface morphology of 304L SS in 1 M HNO 3 with increase in immersion time, (a) As polished, (b) 9 h, (c) 18 h, and (d) 27 h……………………………………………………………………...... 77 Fig. 4.2: Ex-situ surface morphology of 304L SS in 4 M HNO 3 with increase in immersion time, (a) As polished, (b) 9 h, (c) 18 h and (d) 27 h………………………………………………………………………. 78 Fig.4.3: Ex-situ surface morphology of 304L SS in 8 M HNO 3 with increase in immersion time, (a) As polished, (b) 9 h, (c) 18 h and (d) 27 h……………………………………………………………………….. 79 Fig. 4.4: Ex-situ surface morphology of 304L SS in 11.5 M HNO 3 with increase in immersion time, (a) As polished (b) 9 h, (c) 18 h and (d) 27 h………………………………………………………………………… 80 Fig. 4.5: Potentiodynamic polarization study of 304L SS in 0.1 M, 0.5 M, 0.6 M and 1 M HNO 3 …………………………………………………………. 82 Fig. 4.6: In-situ surface morphology of 304L SS in 0.1 M HNO 3 , (a) as polished, (b) 500 mV, (c) 900 mV and (d) 1100 mV vs. Ag/AgCl…… 84 Fig.4.7: In-situ surface morphology of 304L SS in 0.5 M HNO 3 , (a) as polished, (b) 500 mV, (c) 900 mV and (d) 1100 mV vs. Ag/AgCl…… 85 Fig. 4.8: In-situ surface morphology of 304L SS in 0.6 M HNO 3 , (a) as polished, (b) 500 mV, (c) 900 mV and (d) 1100 mV vs. Ag/AgCl…… 87 Fig. 4.9: In-situ surface morphology of 304L SS in 1 M HNO 3 , (a) as polished, (b) 500 mV, (c) 900 mV and (d) 1100 mV vs. Ag/AgCl……………… 88 Fig.4.10: XPS profiles for (a) Cr2p 3/2 (b) O 1s of 304L SS in as polished condition………………………………………………………………. 89-90 Fig.4.11: XPS profiles for (a) Cr2p 3/2 (b) O 1s of 304L SS passivated in 0.1 M HNO 3 …………………………………………………………………... 91 Fig.4.12: XPS profiles for (a) Cr2p 3/2 (b) O 1s of 304L SS passivated in 0.6 M HNO 3 ………………………………………………………………….. 92-93 Fig.4.13: XPS profiles for (a) Cr2p 3/2 (b) O 1s of 304L SS passivated in 1 M HNO 3 …………………………………………………………………... 93-94 Fig. 5.1: AFM surface morphology of nitrogen ion implanted 304L SS; (a) 1×10 15 (b) 1×10 16 , (c) 1×10 17 and (d) 2.5×10 17 N + /cm 2 ……………….. 99 Fig. 5.2: SIMS analysis of (a) unimplanted and (b) nitrogen ion implanted with dose of 2.5×N + /cm 2 304L SS…………................................................. 100-101 Fig. 5.3: GIXRD analysis of unimplanted and nitrogen implanted 304L SS……………………………………………………………………… 102
Fig. 5.4: Optical micrograph of 304L SS in (a) Oxalic acid, (b) Vilella’s reagent (c) Murakami’s reagent, and (d) at a dose of 1×10 16 N + /cm 2 in Vilella’s reagent…………………………………………………………………. 103 Fig. 5.5: XPS profile of (a) Cr2p 3/2 , (b) N 1S of nitrogen ion implanted 304LSS with dose of 1 ×10 17 N + /cm 2 ………………………………………….. 105-106 Fig. 5.6: OCP of unimplanted and nitrogen ion implanted 304L SS in 1 M HNO 3 ………………………………………………………………….. 107 Fig. 5.7: Potentiodynamic polarization study of unimplanted and nitrogen ion implanted 304L SS in 1 M HNO 3 …………………………………….. 108 Fig. 5.8: Electrochemical impedance of unimplanted and nitrogen ion implanted 304L SS in 1 M HNO 3 ………………………………………………… 111 Fig. 5.9: AFM surface morphology analysis after potentiodynamic polarization study (a) unimplanted, (b) 1×10 16 and (c) 2.5×10 17 N + /cm 2 in 1 M HNO 3 ………………………………………………………………….. 114 Fig. 6.1: GIXRD profile of Ti coated 304L SS………………………………… 119 Fig. 6.2: (a) Morphology of Ti coated 304L SS, (b) histogram for the particle size distribution, (c) morphology of the pores, and (d) histogram for the size distribution of the pores………………………………………. 120 Fig. 6.3: OCP vs. time measurement for uncoated and Ti coated 304L SS in (a) 1 M HNO 3 and (b) 8 M HNO 3 ……………………………………….... 121 Fig. 6.4: Electrochemical impedance analysis of uncoated and Ti coated 304L SS in HNO 3 , (a) Log f vs. (1 M HNO 3 ), (b) Log f vs. Log |Z| (1 M HNO 3 ), (c) Log f vs. (8 M HNO 3 ) and (d) Log f vs. Log |Z| (8 M HNO 3 ) ……………………………………………………………….. 123-125 Fig. 6.5: Polarization study for uncoated and Ti coated 304L SS in (a) 1 M HNO 3 , and (b) 8 M HNO 3 ……………………………………………. 127 Fig. 6.6: Surface morphology of uncoated and Ti coated 304L SS after polarization study in HNO 3 , (a) uncoated (1 M HNO 3 ), (b) Ti coated 304L SS (1 M HNO 3 ), (c) uncoated (8 M HNO 3 ), (d) Ti coated 304L SS (8 M HNO 3 )……………………………………………………….. 130 Fig. 6.7: GIXRD pattern of TiO 2 coated 304L SS……………………………… 131 Fig. 6.8: (a) Morphology of TiO 2 coated 304L SS, (b) histogram for the particle size distribution, (c) morphology of the pores, and (d) histogram for the size distribution of the pores……………………………………… 132 Fig. 6.9: OCP vs. time measurement for uncoated and TiO 2 coated 304L SS in (a) 1 M HNO 3 and (b) 8 M HNO 3 ……………………………………. 133 Fig.6.10: Electrochemical impedance analysis of uncoated and TiO 2 coated 304L SS in HNO 3 , (a) Log f vs. (1 M HNO 3 ), (b) Log f vs. Log |Z| (1 M HNO 3 ), (c) Log f vs. (8 M HNO 3 ) and (d) Log f vs. Log |Z| (8 M HNO 3 )……………………………………………………………… 135-138
Page 1 and 2: " "! %&''( )*
Page 4 and 5: ! " # $ % &
Page 6 and 7: $* +%#, The author wish to express
Page 8 and 9: 2.3 Effect of alloying elements on
Page 10 and 11: 4 C H A P T E R 4 73 # $%&' 4.1 In
Page 12 and 13: 6.2.3.2 Open circuit potential vs.
Page 14 and 15: eprocessing can be recovered, and c
Page 16 and 17: The ex-situ study of passive film w
Page 20 and 21: Fig.6.11: Polarization study of unc
Page 22 and 23: AISI: American Institute of Steel I
Page 24 and 25: Chapter 1 C H A P T E R 1 Spent Nuc
Page 26 and 27: Chapter 1 1.3 Challenges in spent n
Page 28 and 29: Chapter 1 corrosion resistance. The
Page 30 and 31: Chapter 1 choice of zirconium is du
Page 32 and 33: C H A P T E R2
Page 34 and 35: Chapter 2 temperature, (c) higher i
Page 36 and 37: Chapter 2 Chromium in excess of 12
Page 38 and 39: Chapter 2 2. 3 Effect of alloying e
Page 40 and 41: Chapter 2 The twins are identified
Page 42 and 43: Chapter 2 and at temperature around
Page 44 and 45: Chapter 2 of adsorption of oxygen o
Page 46 and 47: Chapter 2 transpassive dissolution
Page 48 and 49: Chapter 2 healing chromium oxide fi
Page 50 and 51: Chapter 2 their segregation to the
Page 52 and 53: Chapter 2 is intimately related to
Page 54 and 55: Chapter 2 in nature because the dis
Page 56 and 57: C H A P T E R3
Page 58 and 59: Chapter 3 3.1.1.2 Specimen preparat
Page 60 and 61: Chapter 3 ionized. However, differe
Page 62 and 63: Chapter 3 various industrial applic
Page 64 and 65: Chapter 3 In the present investigat
Page 66 and 67: Chapter 3 3.1.3.2 Atomic force micr
Page 68 and 69:
Chapter 3 present on the surface fo
Page 70 and 71:
Chapter 3 necessary condition is th
Page 72 and 73:
Chapter 3 Y m is the sputter yield.
Page 74 and 75:
Chapter 3 Fig. 3.7: Schematic of X-
Page 76 and 77:
Chapter 3 rate of 10Å/min using 5
Page 78 and 79:
Chapter 3 different doses of nitrog
Page 80 and 81:
Chapter 3 The modulus of electroche
Page 82 and 83:
Chapter 3 equivalent circuit as sho
Page 84 and 85:
Chapter 3 reference electrode with
Page 86 and 87:
Chapter 3 for understanding the pas
Page 88 and 89:
C H A P T E R4
Page 90 and 91:
Chapter 4 encountered by all materi
Page 92 and 93:
Chapter 4 pitting, and intergranula
Page 94 and 95:
Chapter 4 The ridged structure, and
Page 96 and 97:
Chapter 4 nitric acid is that the b
Page 98 and 99:
Chapter 4 Potential (V) Vs Ag/AgCl
Page 100 and 101:
Chapter 4 4.2.3 In-situ electrochem
Page 102 and 103:
Chapter 4 The surface morphologies
Page 104 and 105:
Chapter 4 a b c d Opening up of gra
Page 106 and 107:
Chapter 4 Intensity (Arbitrary unit
Page 108 and 109:
Chapter 4 The chromium, and oxygen
Page 110 and 111:
Chapter 4 Intensity (Arbitrary unit
Page 112 and 113:
C H A P T E R5
Page 114 and 115:
Chapter 5 elements, and often impar
Page 116 and 117:
Chapter 5 5.2 Results and discussi
Page 118 and 119:
Chapter 5 Presence of oxygen is due
Page 120 and 121:
Chapter 5 was an increase in marten
Page 122 and 123:
Chapter 5 formation of Cr 2 N was a
Page 124 and 125:
Chapter 5 electrochemical environme
Page 126 and 127:
Chapter 5 N + Dose E corr (mV vs. A
Page 128 and 129:
Chapter 5 layer capacitance (C dl )
Page 130 and 131:
Chapter 5 correlation between surfa
Page 132 and 133:
Chapter 5 boundary dissolution was
Page 134 and 135:
Chapter 6 C H A P T E R 6
Page 136 and 137:
Chapter 6 193]. As a single phase c
Page 138 and 139:
Chapter 6 particles range from 8×1
Page 140 and 141:
Chapter 6 Results revealed that in
Page 142 and 143:
Chapter 6 The change over from capa
Page 144 and 145:
Chapter 6 The impedance parameters
Page 146 and 147:
Chapter 6 Conc. Substrate condition
Page 148 and 149:
Chapter 6 6.6a-d. The uncoated spec
Page 150 and 151:
Chapter 6 (55.18°) respectively, w
Page 152 and 153:
Chapter 6 OCP shifted in noble dire
Page 154 and 155:
Chapter 6 The high phase angle over
Page 156 and 157:
Chapter 6 Fig. 6.10d: Log f vs. Log
Page 158 and 159:
Chapter 6 Fig. 6.11b: Polarization
Page 160 and 161:
Chapter 6 Covalent aspect of lattic
Page 162 and 163:
Chapter 6 As compared to uncoated s
Page 164 and 165:
Chapter 6 6.2.3.2 Open circuit pote
Page 166 and 167:
Chapter 6 Similarly, the plots for
Page 168 and 169:
Chapter 6 for the duplex coating, a
Page 170 and 171:
Chapter 6 Fig.6.16b: Polarization s
Page 172 and 173:
Chapter 6 6.2.3.5 Morphological exa
Page 174 and 175:
Chapter 7 C H A P T E R 7 The cha
Page 176 and 177:
Chapter 7 1. Surface morphology exa
Page 178 and 179:
Chapter 7 6 Duplex Ti-TiO 2 coated
Page 180 and 181:
Chapter 7 EC-SPM study on effect
Page 183 and 184:
[1] Baldev Raj, U. Kamachi Mudali,
Page 185 and 186:
[37] G. Okamoto, T. Shibata, Corros
Page 187 and 188:
[79] M. Moens, M. Van Craen, F.C. A
Page 189 and 190:
[117] R.E.Williford, C.F.Windisch J
Page 191 and 192:
[157] N. Mottu, M. Vayer, R. Erre,
Page 193:
[197] M. Metikos Hukovic, M. Ceraj
Page 196 and 197:
[19] H. H. Uhlig, Corros Sci, 19 (1
Page 198 and 199:
[57] J. F. Ziegler, J. P. Biersack,
Page 200 and 201:
[97] I. Betova, M. Bojinov, V. Kara
Page 202 and 203:
[139] V. Ashworth, R. P. M. Procter
Page 204 and 205:
[176] G. Frankel, G. Grundmeier, H.
Page 207 and 208:
List of publications 1. Referred
show all

CHEM02200704003 Nilamadhab Pandhy - Homi Bhabha National ...

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?