Corrosion and Electrochemistry of Zinc

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Springer Science & Business Media, 30 sept. 1996 - 474 pages
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Humankind's use of zinc stretches back to antiquity, and it was a component in some of the earliest known alloy systems. Even though metallic zinc was not "discovered" in Europe until 1746 (by Marggral), zinc ores were used for making brass in biblical times, and an 87% zinc alloy was found in prehistoric ruins in Transylvania. Also, zinc (the metal) was produced in quantity in India as far back as the thirteenth century, well before it was recognized as being a separate element. The uses of zinc are manifold, ranging from galvanizing to die castings to electronics. It is a preferred anode material in high-energy-density batteries (e.g., Ni/Zn, Ag/Zn, ZnJair), so that its electrochemistry, particularly in alkaline media, has been extensively explored. In the passive state, zinc is photoelectrochemically active, with the passive film displaying n-type characteristics. For the same reason that zinc is considered to be an excellent battery anode, it has found extensive use as a sacrificial anode for the protection of ships and pipelines from corrosion. Indeed, aside from zinc's well-known attributes as an alloying element, its widespread use is principally due to its electrochemical properties, which include a well-placed position in the galvanic series for protecting iron and steel in natural aqueous environments and its reversible dissolution behavior in alkaline solutions.
 

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Table des matières

II
1
III
2
IV
3
VI
7
X
13
XI
15
XII
16
XIII
19
LXXXV
236
LXXXVI
238
LXXXVII
241
LXXXVIII
243
LXXXIX
245
XC
248
XCI
249
XCII
252

XIV
25
XV
27
XVI
29
XVIII
36
XIX
39
XX
48
XXI
54
XXII
65
XXIII
68
XXV
70
XXVI
73
XXVII
75
XXVIII
77
XXIX
80
XXX
84
XXXI
85
XXXII
87
XXXIII
89
XXXIV
93
XXXV
95
XXXVI
97
XXXVII
100
XXXVIII
103
XXXIX
105
XL
109
XLI
114
XLII
115
XLIII
119
XLIV
121
XLV
125
XLVI
127
XLVII
129
XLVIII
130
XLIX
133
L
135
LI
137
LII
140
LIII
141
LIV
143
LV
144
LVI
149
LVII
153
LVIII
157
LIX
158
LX
163
LXI
165
LXII
168
LXIII
170
LXIV
171
LXVI
173
LXVII
176
LXIX
178
LXX
183
LXXI
185
LXXII
196
LXXIII
203
LXXIV
208
LXXV
213
LXXVI
217
LXXVII
221
LXXVIII
224
LXXIX
225
LXXX
227
LXXXI
229
LXXXII
232
LXXXIII
234
LXXXIV
235
XCIV
254
XCVI
255
XCVII
256
XCVIII
258
XCIX
260
C
261
CII
262
CIII
264
CIV
266
CV
267
CVI
270
CVII
272
CVIII
274
CIX
278
CX
283
CXI
284
CXII
286
CXIII
288
CXIV
289
CXV
291
CXVI
296
CXVII
298
CXVIII
301
CXIX
302
CXXI
305
CXXII
308
CXXIV
312
CXXVI
315
CXXVII
316
CXXIX
317
CXXX
319
CXXXI
321
CXXXII
325
CXXXIII
328
CXXXIV
332
CXXXV
333
CXXXVI
337
CXXXVII
339
CXXXVIII
341
CXXXIX
343
CXL
344
CXLI
345
CXLIII
347
CXLIV
348
CXLV
351
CXLVI
352
CXLVII
353
CXLVIII
358
CXLIX
359
CLI
360
CLII
365
CLIII
373
CLIV
375
CLVI
376
CLVII
377
CLIX
379
CLXI
382
CLXII
385
CLXIII
390
CLXIV
393
CLXV
395
CLXVI
399
CLXVII
403
CLXVIII
407
CLXIX
409
CLXX
463
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Page 151 - Centolella (1995) with kind permission from Elsevier Science, Ltd., The Boulevard, Langford Lane, Kidlington, 0X5 1Gb, UK.
Page 83 - Phosphors," with kind permission from Elsevier Science-NL, Sara Burgerhartstraat 25, 1055 KV Amsterdam, The Netherlands...
Page 75 - ... film can be observed. The latter is more compact and appears to form directly at the surface rather than by precipitation. Its color can range from light gray to black, depending on the potential and time of formation. The...
Page 448 - Corrosion behavior of electrophoretically coated cold rolled, galvanized and galvannealed steel sheet for automobiles — adaptability of cataphoretic primer to zinc plated steel 820334 Koyama, H.
Page 8 - ... rails. Architectural applications of structural steel, lintels, beams, columns, and related building materials Large structures that are not suitable for batch galvanizing, such as bridge superstructures treated in a reducing atmosphere in a continuous galvanizing process, to remove surface oxide. It is then immersed in a bath of molten zinc for a time sufficient for it to wet and alloy with zinc, after which it is withdrawn and cooled. The coating produced in this way is bonded to the steel...
Page 185 - When dissimilar metals in electrical contact with each other are exposed to an electrolyte, a current flows from one to the other and is called a galvanic current.
Page 185 - ... when the galvanic current flows, or negative. A galvanic current generally causes a reduction in the total rate of corrosion of the cathodic member of the couple.* This is called galvanic or cathodic protection. Under certain conditions the rate of corrosion of some metals as cathode may actually be increased, in which case the term cathodic corrosion is applied. The corrosion potential of a metal or alloy is the steady state irreversible potential it assumes...

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