CHEM02200704003 Nilamadhab Pandhy - Homi Bhabha National ...

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C H A P T E R2
Chapter 2 C H A P T E R 2 Corrosion Issues of Austenitic Stainless Steel in Nitric Acid Material, Medium & Mechanism The chapter gives brief introduction to the austenitic stainless steel with respect to their formation using Fe-C, Fe-Cr, Fe-Cr-Ni phase diagram, microstructure, physical, mechanical, and chemical properties. Apart from this, the chapter introduces to the process environment of nuclear fuel reprocessing, and the various corrosion problems of austenitic steel in the oxidizing environment of nitric acid. 2. 1 Introduction Economy in the production and construction of industrial plant, and equipment depends upon the existence of good processing properties as well as the cost of the materials to be used. The satisfactorily performance of the materials depends upon many features, such as selection of proper material, appropriate design, fabricability, sustainable mechanical and physical properties of the designed structure/equipment, chemical conditions of the process environment, and their maintenance aspect. However, the interplay between these chemical, mechanical and physical properties produces a wide range of requirements which must be considered in choosing the correct material for the application in question. The most important material properties required are mechanical strength and ductility, machinability, sufficient cold and hot formability, excellent weldability, and good corrosion resistance. Austenitic stainless steels [33] are widely used as constructional materials in various industries such as nuclear and other chemical processing industries, food processing industry, hydro-power generation, and for many other engineering applications. The advantages with this class of materials are (a) exceptional formability, (b) resistance to brittle cleavage at low temperature, and good mechanical strength at higher
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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 18 and 19: Fig.3.10: Schematic of electrical e
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 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
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Chapter 3 equivalent circuit as sho
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Chapter 3 reference electrode with
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Chapter 3 for understanding the pas
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C H A P T E R4
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Chapter 4 encountered by all materi
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Chapter 4 pitting, and intergranula
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Chapter 4 The ridged structure, and
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Chapter 4 nitric acid is that the b
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Chapter 4 Potential (V) Vs Ag/AgCl
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Chapter 4 4.2.3 In-situ electrochem
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Chapter 4 The surface morphologies
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Chapter 4 a b c d Opening up of gra
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Chapter 4 Intensity (Arbitrary unit
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Chapter 4 The chromium, and oxygen
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Chapter 4 Intensity (Arbitrary unit
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C H A P T E R5
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Chapter 5 elements, and often impar
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Chapter 5 5.2 Results and discussi
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Chapter 5 Presence of oxygen is due
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Chapter 5 was an increase in marten
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Chapter 5 formation of Cr 2 N was a
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Chapter 5 electrochemical environme
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Chapter 5 N + Dose E corr (mV vs. A
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Chapter 5 layer capacitance (C dl )
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Chapter 5 correlation between surfa
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Chapter 5 boundary dissolution was
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Chapter 6 C H A P T E R 6
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Chapter 6 193]. As a single phase c
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Chapter 6 particles range from 8×1
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Chapter 6 Results revealed that in
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Chapter 6 The change over from capa
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Chapter 6 The impedance parameters
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Chapter 6 Conc. Substrate condition
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Chapter 6 6.6a-d. The uncoated spec
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Chapter 6 (55.18°) respectively, w
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Chapter 6 OCP shifted in noble dire
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Chapter 6 The high phase angle over
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Chapter 6 Fig. 6.10d: Log f vs. Log
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Chapter 6 Fig. 6.11b: Polarization
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Chapter 6 Covalent aspect of lattic
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Chapter 6 As compared to uncoated s
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Chapter 6 6.2.3.2 Open circuit pote
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Chapter 6 Similarly, the plots for
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Chapter 6 for the duplex coating, a
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Chapter 6 Fig.6.16b: Polarization s
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Chapter 6 6.2.3.5 Morphological exa
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Chapter 7 C H A P T E R 7 The cha
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Chapter 7 1. Surface morphology exa
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Chapter 7 6 Duplex Ti-TiO 2 coated
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Chapter 7 EC-SPM study on effect
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[1] Baldev Raj, U. Kamachi Mudali,
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[37] G. Okamoto, T. Shibata, Corros
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[79] M. Moens, M. Van Craen, F.C. A
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[117] R.E.Williford, C.F.Windisch J
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[157] N. Mottu, M. Vayer, R. Erre,
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[197] M. Metikos Hukovic, M. Ceraj
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[19] H. H. Uhlig, Corros Sci, 19 (1
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[57] J. F. Ziegler, J. P. Biersack,
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[97] I. Betova, M. Bojinov, V. Kara
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[139] V. Ashworth, R. P. M. Procter
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[176] G. Frankel, G. Grundmeier, H.
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List of publications 1. Referred
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CHEM02200704003 Nilamadhab Pandhy - Homi Bhabha National ...

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