-2/5Annex.1 : The appearance of mag

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Annex.1 : The appearance of magnified photo & microstructure. (Sample no.1)


Leak position

Fig 1 : Appearance of the received sample and defect positing.

Outside Inside
A
A'
Fig. 2 : The magnified photo outside & inside and microstructure of defect position.

Section A A'
Outside
Corrosion area
Fin angle
Fig. 3 : The transverse cross section of the tube at leak area, showing corrosion (A-A')

No of fin = 65

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Annex.2 : The appearance of magnified photo & microstructure.(Sample no.2)


Leak position

Fig 1 : Appearance of the received sample and defect positing.

Inside Outside
A
A'
Fig. 2 : The magnified photo outside & inside and microstructure of defect position.

Section A A'
Outside
Corrosion area
Fig. 3 : The transverse cross section of the tube at leak area, showing corrosion (A-A')

No of fin = 70

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Annex.3 : The appearance of magnified photo & microstructure.(Sample no.3)

Leak position
Fig 1 : Appearance of the received sample and defect positing.

Outside Inside
A
A'
Fig. 2 : The magnified photo outside & inside and microstructure of defect position.

Section A A'
Outside Corrosion area
Fig. 3 : The transverse cross section of the tube at leak area, showing corrosion (A-A')

No of fin = 70

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Annex.4 : The appearance of magnified photo & microstructure.(Sample no.4)


Leak position

Fig 1 : Appearance of the received sample and defect positing.

Outside Inside
B
B'
A
A'
Fig. 2 : The magnified photo outside & inside and microstructure of defect position.

Section A A'
Outside Depth 0.02 mm.
Section B B'
Outside
Fig. 3 : The transverse cross section of the tube at leak area.

No of fin = 60


ผลลัพธ์ (อังกฤษ) 3:

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Annex.1: The appearance of magnified photo & microstructure. (Sample No.1)




Fig Leak position 1: Appearance Of the received sample and defect positing.



Outside Inside A A '
Fig. 2: The magnified photo outside & inside and microstructure Of defect position.

Section A A '
Outside


Corrosion area Fin angle Fig. 3: The transverse cross section of the tube At, leak areaShowing corrosion (A-A ')

No of fin = 65

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Annex.2: The appearance of magnified photo & microstructure. (Sample No.2)




Fig Leak position 1: Appearance of the received sample and defect positing.



Inside Outside A A '
Fig. 2:? The magnified photo outside & inside and microstructure of defect position.



Section A A 'Outside Corrosion area
Fig. 3The transverse cross section of the tube at, leak area showing corrosion (A-A ')

No of fin = 70

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Annex.3: The Appearance of magnified photo & microstructure. (Sample No.3)


Leak position Fig 1: Appearance of the received sample And defect positing.



Outside Inside A A '
Fig. 2: The magnified photo outside & inside and microstructure of defect Position.

Section A A '
Outside Corrosion area
Fig. 3: The transverse cross section of the tube at, leak area showing corrosion (A-A ')

No of Fin = 70

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Annex.4: The appearance of magnified photo & microstructure. (Sample No.4)




Fig Leak position 1:? Appearance of the received sample and defect positing.



Outside Inside B B '
'

A A Fig. 2The magnified photo outside & inside and microstructure of defect position.

Section A A '
Outside Depth 0.02 mm.
Section B B '
Outside
Fig. 3: The transverse cross section of the tube at leak area.

No of fin = 60