Foundations of Materials Science and Engineering
6th Edition
ISBN: 9781259696558
Author: SMITH
Publisher: MCG
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Chapter 13.10, Problem 61AAP
To determine
Pitting corrosion and location of pitting corrosion has to be explained and electro chemical
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Pitting attack is decreased by an
increase of velocity of corroding
fluid. Explain why ? *
Your answer
Oxygen is a prerequisite for crevice
corrosion to occur. Give the reason ?
In galvanic corrosion,
Select one:
a. The combination of a large anode and small cathode is the potential
dangerous and should be avoided.
Ob. The further apart of the metals in the galvanic series, the greater is the
severity of the corrosion attack
O c. Installation of third metal that is anodic to two metals in a system
worsens the galvanic corrosion.
d.
The rate of attack increases markedly at greater distances from the
interface of the two metals.
Q3/ A: Answer the following:
1- when does fretting corrosion occur?
2- when does stress corrosion occur?
3-Explain effect of distance on the galvanic corrosion?
4- State the cause of the selective corrosion?
5- What Does Transpassivation mean?
Chapter 13 Solutions
Foundations of Materials Science and Engineering
Ch. 13.10 - Prob. 1KCPCh. 13.10 - Prob. 2KCPCh. 13.10 - Which is in a lower energy state: (a) elemental...Ch. 13.10 - Give several examples of environmental...Ch. 13.10 - Prob. 5KCPCh. 13.10 - Prob. 6KCPCh. 13.10 - Prob. 7KCPCh. 13.10 - What is an exchange current density? What is the...Ch. 13.10 - Prob. 9KCPCh. 13.10 - Prob. 10KCP
Ch. 13.10 - Prob. 11KCPCh. 13.10 - Prob. 12KCPCh. 13.10 - Prob. 13KCPCh. 13.10 - Prob. 14KCPCh. 13.10 - Prob. 15KCPCh. 13.10 - Prob. 16KCPCh. 13.10 - Prob. 17KCPCh. 13.10 - Prob. 18KCPCh. 13.10 - Prob. 19KCPCh. 13.10 - Describe fretting corrosion.Ch. 13.10 - What is selective leaching of an alloy? Which...Ch. 13.10 - Prob. 22KCPCh. 13.10 - Prob. 23KCPCh. 13.10 - Prob. 24KCPCh. 13.10 - Prob. 25KCPCh. 13.10 - Prob. 26KCPCh. 13.10 - Prob. 27KCPCh. 13.10 - What are Alclad alloys?Ch. 13.10 - Prob. 29AAPCh. 13.10 - Prob. 30AAPCh. 13.10 - Prob. 31AAPCh. 13.10 - Prob. 32AAPCh. 13.10 - Prob. 33AAPCh. 13.10 - The emf of a standard Ni-Cd galvanic cell is...Ch. 13.10 - What is the emf with respect to the standard...Ch. 13.10 - Prob. 36AAPCh. 13.10 - Prob. 37AAPCh. 13.10 - Prob. 38AAPCh. 13.10 - Prob. 39AAPCh. 13.10 - Prob. 40AAPCh. 13.10 - Prob. 41AAPCh. 13.10 - Prob. 42AAPCh. 13.10 - Prob. 43AAPCh. 13.10 - Prob. 44AAPCh. 13.10 - Prob. 45AAPCh. 13.10 - Prob. 46AAPCh. 13.10 - Prob. 47AAPCh. 13.10 - Prob. 48AAPCh. 13.10 - Prob. 49AAPCh. 13.10 - Prob. 50AAPCh. 13.10 - Prob. 51AAPCh. 13.10 - Prob. 52AAPCh. 13.10 - Prob. 53AAPCh. 13.10 - Prob. 54AAPCh. 13.10 - A galvanized (zinc-coaled) steel sheet is found to...Ch. 13.10 - Prob. 56AAPCh. 13.10 - Prob. 57AAPCh. 13.10 - Prob. 58AAPCh. 13.10 - Prob. 59AAPCh. 13.10 - Prob. 60AAPCh. 13.10 - Prob. 61AAPCh. 13.10 - Prob. 62AAPCh. 13.10 - Prob. 63AAPCh. 13.10 - Prob. 64AAPCh. 13.10 - Prob. 65AAPCh. 13.10 - Prob. 66AAPCh. 13.10 - Prob. 67AAPCh. 13.10 - Prob. 68AAPCh. 13.10 - Prob. 69AAPCh. 13.10 - Prob. 70AAPCh. 13.10 - Prob. 71AAPCh. 13.10 - Prob. 72AAPCh. 13.10 - Prob. 73AAPCh. 13.10 - Prob. 74AAPCh. 13.10 - Prob. 75AAPCh. 13.10 - Prob. 76SEPCh. 13.10 - Prob. 77SEPCh. 13.10 - Prob. 78SEPCh. 13.10 - Prob. 79SEPCh. 13.10 - Prob. 80SEPCh. 13.10 - Prob. 81SEPCh. 13.10 - Prob. 82SEPCh. 13.10 - Prob. 83SEPCh. 13.10 - Prob. 84SEPCh. 13.10 - Corrosion is observed at the root of threads on...Ch. 13.10 - Prob. 86SEPCh. 13.10 - Prob. 87SEPCh. 13.10 - Prob. 88SEPCh. 13.10 - Prob. 89SEPCh. 13.10 - Prob. 90SEPCh. 13.10 - Prob. 91SEPCh. 13.10 - Prob. 92SEPCh. 13.10 - Prob. 93SEPCh. 13.10 - Prob. 94SEPCh. 13.10 - Prob. 95SEPCh. 13.10 - Prob. 96SEPCh. 13.10 - Prob. 97SEPCh. 13.10 - Prob. 98SEP
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- What are factors affecting electrochemical corrosion rate? Discussarrow_forwardDiscussion: 1- Define the corrosion and mention its types? 2- What is the effect of solution aeration on corrosion rate? 3- Compare corrosion rate for a metallic sample immersed in acidic solution with that immersed in a salt solution. 4- What is the effect of the exposure period on the corrosion rate? 5- Discuss the relationship between weight loss and time.arrow_forwardIn preventing corrosion of iron, a stronger reducing agent called sacrificial anode such as zinc is used to coat iron. Select one: True Falsearrow_forward
- (a) What is the most likely form of corrosion for nuts and bolts in a galvanized steel plate shown in Figure 3.1. Figure 3.1 (b) What is the chemical cause of this type of corrosion? (c) Which non-destructive testing (NDT) technique(s) will you implement to evaluate the presence/severity of such damage and what repair would you perform on this plate? Why? (d) What design controls will you recommend to minimize this type of corrosion in future parts?arrow_forwardWhat are the factors that influence on corrosion behavior?arrow_forwardDescribe the transport phenomena resulting in gas turbine hot corrosion in the presence of saline traces. What reaction generates the corrosive compounds?arrow_forward
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