Chapter 10 Flashcards

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1
Q

What two mechanism cause degradation? Give definition of the two?

A

Dissolution: Material loss due to the corrosions and subsequent scaling

Oxidation: formation of oxides on the material results in the formation of the protective material.

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2
Q

What drives corrosion in electrons?

A

For metals, corrosion/oxidation is driven by the transfer of electrons.

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3
Q

If____(fill in the blank ) can be stopped or diverted you can control corrosion

A

Electrons

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4
Q

what is corrosion?

A

corrosion is defined as destructive and intestinal attack on it is electrochemical and ordinarily begins at the surface

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5
Q

In what reaction metals lose or gain electrons?

A

Oxidation reaction

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6
Q

Anode is a site where oxidation reaction takes place (T/F)

A

T

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7
Q

what is absorption of electron called?

A

The movement of electrons DONT need to be transferred to some other material and movement of electrons is called current.

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8
Q

where does reduction reaction takes place

A

at cathode

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9
Q

For corrosion to proceed what must happened.

A

For corrosion to proceed there must be one oxdiation reaction and one reduction reaction

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10
Q
A
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