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Up Topic Welding Industry / Inspection & Qualification / NDT videos on youtube
- - By Mikeqc1 (****) Date 04-25-2008 13:01
If anyone is interested I've come across a few NDT videos on youtube they demonstrate MT, RT, UT, and PT just log on to you tube and search NDT. There are also a few good videos of steel manufacturing.
Mike K
Parent - By NDTIII (***) Date 05-05-2008 14:40
Thanks for the info Mike. I never even thought about that.
Parent - - By rafael Angarita (*) Date 05-13-2008 11:24
Me Too!
Parent - - By rafael Angarita (*) Date 05-13-2008 12:26
Talking about LPT: can dray powder developer be used with water washable penetrats?
Parent - - By Mikeqc1 (****) Date 05-13-2008 17:16
Dry Developer can be used with......
Fluorescent Water-removable; dry, aqueous, or nonaqueous developer
Fluorescent post emulsifiable ; lipophilic emulsifier; dry, aqueous, or nonaqueous developer
Fluorescent solvent removable; dry, aqueous, or nonaqueous developer
Fluorescent post emulsifiable ; hydrophilic emulsifier; dry, aqueous, or nonaqueous developer.
I also have a table that groups the methods 1 thru 7
All the groups have dry developer except Visible solvent removable.
Mike
Parent - - By NDTIII (***) Date 05-17-2008 13:41
Mike can you give me a copy of that table? I'd reallyappreacite it. Things like that aer hard to retain at my age.
Parent - By Mikeqc1 (****) Date 05-19-2008 13:45
Table from Hand book of nondestructive testing By Charles Hellier.
Technique I Fluorescent
Process A
Water Removable penetrant ; Dry, Aqueous, or nonaqueous developer.
Process B
Postemusifiable penetrant; Lipophilic emulsifier; Dry, aqueous, nonaqueous developer.
Process C
Solvent removable Penetrant; Solvent cleaner/remover ; Dry or nonaqueous developer.
Process D
Postemusifiable penetrant; Hydrophilic emulsifier; Dry, aqueous, nonaqueous developer.

Technique II Visible color contrast
Process A
Water removable penetrant ; aqueous, nonaqueous developer.
Process B
Postemusifiable penetrant, Emulsifier, and aqueous, or nonaqueous developer.
Process c
Solvent removable penetrant; Solvent cleaner/remover aqueous, or nonaqueous developer

From Hand book of nondestructive testing By Charles Hellier. Dry developers are not usually used with Technique II Penetrants. Some specs will not allow the use dry developers with Technique II Penetrants.

From Liquid Penetrant Testing Training Book (Hellier). Dry Developer is the least sensitive and should not be used for visible Penetrants.
mike k
Up Topic Welding Industry / Inspection & Qualification / NDT videos on youtube

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