Materials Science And Engineering Properties
1st Edition
ISBN: 9781111988609
Author: Charles Gilmore
Publisher: Cengage Learning
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Chapter 10, Problem 6CQ
To determine
The electrode which is 1 molar solution of hydrogen ions in contact with hydrogen gas at 1 atm pressure.
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In order to determine the polarization resistance of a carbon steel in acidic solution, a potential is
applied and the current measured. We obtain the following values
E - Eco (mv)
-15
-10
-5
-2
0
2
5
10
15
i (mA cm-2)
-8.5
-6.0
-2.6
-1.0
0
1.1
2.8
5.0
9.0
The anodic and cathodic Tafel coeffic.nts are equal to: ßa = 30 mV, Bc = 50 mV.
Calculate (a) the polarization resistance at the corrosion potential and (b) the corrosion current
density.
The rate of corrosion in a galvanic cell can be reduced by:
a. Increasing the temperature of the galvanic cell.
b. Reducing the surface area of the anode in comparison to the cathode.
c. Reducing the surface area of the cathode in comparison to anode.
d. Increasing the ion concentration in the electrolyte.
When tested with an ohmmeter, a diode should have a relatively high resistance for ________ condition.
Chapter 10 Solutions
Materials Science And Engineering Properties
Ch. 10 - Prob. 1CQCh. 10 - Prob. 2CQCh. 10 - Prob. 3CQCh. 10 - Prob. 4CQCh. 10 - Prob. 5CQCh. 10 - Prob. 6CQCh. 10 - Prob. 7CQCh. 10 - Prob. 8CQCh. 10 - Prob. 9CQCh. 10 - Prob. 10CQ
Ch. 10 - Prob. 11CQCh. 10 - Prob. 12CQCh. 10 - Prob. 13CQCh. 10 - Prob. 14CQCh. 10 - Prob. 15CQCh. 10 - Prob. 16CQCh. 10 - Prob. 17CQCh. 10 - Prob. 18CQCh. 10 - Prob. 19CQCh. 10 - Prob. 20CQCh. 10 - Prob. 1ETSQCh. 10 - Prob. 2ETSQCh. 10 - Prob. 3ETSQCh. 10 - Prob. 4ETSQCh. 10 - Prob. 5ETSQCh. 10 - Prob. 10.1PCh. 10 - Prob. 10.2PCh. 10 - Prob. 10.3PCh. 10 - Prob. 10.4PCh. 10 - Prob. 10.5PCh. 10 - Prob. 10.6PCh. 10 - Prob. 10.7PCh. 10 - Prob. 10.8PCh. 10 - Prob. 10.9PCh. 10 - Prob. 10.10PCh. 10 - Prob. 10.11PCh. 10 - Prob. 10.12P
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