🔥 Ultrasound Non-Destructive Testing Overview
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As a structural engineer I find these videos invaluable. It sticks much better in my head when I see it done rather than when it is just listed in a textbook...
Age wise I’m way past this, I’m near seventy years old I don’t have to worry about testing anymore, but this was very entertaining , educating and informative. Great video guys keep em’ coming. I always recommend welding as a career to anyone interested. As a welder I’ve never had a dull moment.
Boy this life really is too short. So much to see, so much to learn, so much to enjoy and not near enough time. We all have to choose our careers, passions and hobbies. If I had multiple lives, welding as a career would have been one of them. I just find it is so interesting and useful. The ability to create something, test it, perfect it then use it for some good is so satisfying. Bob and Garret, thanks for a great video. That's 25:21 minutes I get to keep whereas others might say they will never get back. Keep them coming.
Hey bud. I know men and women that get into NDT at later years. Inspection, just like welding, is an art. I don't know how old you are, but there many methods you can get into. If you enjoy it, you can make money and have a good time.
Very well spoken young man, wish I could have heard him better. Never watched one of your videos without learning something, this time more than usual. Thanks
I finally got a job in California and i have my bachelor's degree and got my certs in UT and cant wait to start my career. ill be in California for 1 year and then back home. It is not for people who don't have a drive or motivation for success.. if you don't like traveling or working a lot then its not for you. but the rewards are so great.. Shout out to all Inspectors its a small industry so we will see each other at one point in time.. And phased- array is what i am gonna be getting into.. I'm taking all my exams next year to get certified and getting my API thanks to my Bachelor degree i'm on the fast track.. Very excited..
Great video man, I have been through to so many Ultrasound testing vidoes in the internet but no one showed the flaw detector this much of clarity,big thanks to camera man👍 and ofcourse the interaction between both I liked it. Big thanks 👍
Been on the welder side and moved into advanced NDT; aut, paut, ToFD, pulsed eddy current , welding inspector, it's a great combination to have. Tx for sharing this video, its been great fun watching ✌🏻
Just stumbled on this video. As an aircraft sheet metal mechanic, I am very familiar with all of these NDT processes. We use eddy current inspection a lot. We also use UT and some X-Ray inspections. I have assisted NDT techs perform bolt hole eddy current checks on thousands of fastener holes. I would remove the fasteners (Taper-looks and Hi-lok/Hi-tigue) and run the probe head while the NDT tech monitored the readout screen. Love the UT for checking material thickness.
Excellent subject and video! Great to see how the skilled trades and technology work hand in hand and both can offer excellent wages. Looking forward to seeing more inspection videos and what it takes to correct the flaws and just how tight the specs are for different welding procedures. Use to think a little paint covers a multitude of sin but I guess they can see right through that. lol.
Wow. Technically has come so far. Thanks again Bob for all you do.
"Cali" college or "Cowley College" moved to Wichita Kansas in 2008 and it took me six months before I knew they were talking about "Cowley" as in the county name. "Ark City" -- actually, Arkansas City, Kansas (Cowley County) GE Aviation builds Jet engines (Few miles out of town) EXCELLENT programs - WATC, Cowley, Hutchinson Community College, Butler Community College. I took machining classes at each of these schools so I could make recommendations to the medically retired military members I was working with, each has a very different program. Some are better for a personality that needs small class sizes, hands on, instructors that have actually touched a machine in real production settings. Keep up the great work meeting the needs of the students and industry!
Thanks again another interesting vid. I'd like to add I'm a three discipline NDT senior tech and qual'd to ASNT level three and UT was not one of them sadly. However my strength was x ray with isotopes up to Co60 and tubes to 300kv . The thing with UT was it relied heavily on the skill of the operator because when he walks away there is no permanent record at least in the past but as your guest said with phased array and latest UT methods that is not the case now. Up to say ten years ago major pipeline were x rayed and the owner had access to the radiographs should he wish to audit or confirm. I think now most are done with phased array. I can assure you from personal experience that there has been more bad calls or missed calls from poorly trained and inexperienced UT operators. One such case out of 125 heavy walled major project welds that had been complied by UT, 75 were DNC'd by myself and what a shit fight followed. Thing was the slag behaved in a very metallic like way and was completely missed by the UT techs. The RT call was correct, I must admit I was a touch nervous but I'd been around and stuck it out. Another bad call was on profile radiography in a oil refinery which I'd carried out and I had nominated and plotted major internal corrosion. The company felt they wanted UT back up to confirm. well my report was rejected until the UT data had been analysed and a third party had been called into review. RT came out on top again, but UT has made massive inroads. RT is still extremely versatile and not so reliant on surface condition or geometry.
This conversation is gold to me. Thanks!
Fantastic educational blog. This has opened my way of thinking. Thanks very much
I am proud to say that after watching some videos on physics and eddy currents that coming back here to watch this video again means that I am starting to understand what these fine gentlemen are talking about :)
You've made NDT interesting and clear. Thanks!
Been saving this one for an early morning coffee, interesting to have the data explained.
W 9
LOF I guess ... loved these Krautkramer flaw detectors but we moved into phased array (and now full matrix capture) and hardly ever use the flaw detector anymore. I miss those days sometimes. I've been doing PAUT since around 1998 - was in the beginning with Olympus. Friction Stir Welding - it's really come along now after nearly 19 years or so. Great video
Great information. Keep videos like this coming.
The depth measurement of the flaw of .29 is not from the top of the weld crown like the NDT guy said, its from the top surface of the base metal. This is a common mistake that some people make and will absolutely cause a welder not to dig deep enough to remove the flaw. A UT scope does not know and cannot tell that there's extra material in the crown. The UT tech must know their material thickness and which leg they are in to determine the true location of the flaw. This is especially true for CJP T-joints with fillet caps. You can have a flaw in the fillet weld which is technically above the base metal and the scope will show a "depth" but you could be bouncing UP into the flaw. You have to know where you are at in the material and where your legs are bouncing.
Yeah that makes sense. He would have to know if he was inspecting the lower surface of the weld or the upper. Judging from his distance he's got to be using 2nd leg, usually third leg isn't reliable as far as I know. Been using a little sheerwave on phased array and it's easier to visualize with a good S scan output
Came here to say this.. the UT machine will break legs at the thickness you input. It has no idea whether there’s a 1/16 or a 3/8 weld cap and can’t account for so. I’m alarmed that I had to scroll this far down to see this comment.
Yes, watching as a 70 year old U. K. ex ultrasonic tech (cswip), he certainly aint got his facts right on that one. 😮
Forgive me, I didn't know at the time. Thanks for the correction
Great information. Thanks for sharing.
Steve
I love how humble he is
Great Video Bob and Garrett
Great video Bob!
I was around this stuff in the early eighties, at a couple of nuclear plants,, It sure has come along way since then! Very interesting! Thanks to all concerned.
Steve Mackelprang do you make good money doing this stuff ?
I was welding on those jobs, and yes , we made pretty good money... I suspect the folks doing the inspections of the welds did pretty well too.
Thanks gentlemen. Very helpful.
Cool video. A question related to testing: I just saw another video that says you should ALWAYS use the smallest wire you can, so .022 for up to 3/16 MIG... Thoughts on this concept? Love to see a vid comparing the "usual" .030/.035 mig, with the weld analysis too!! Thanks Bob!
Great video! Love the accent too!! Starting UT course tomorrow so just revising with u guys and I feel ready for it now. Big up!
How was the class
@@abusiness7450 Not as good as I hoped, unfortunately I did the course Italy where they aren't very professional:( but still learned anyway
@@nickmaclean5816 I'm starting a new position with a company that specialize in this technology
Thank you, very interesting
Great stuff Thanks for sharing
YES! more of these vids! 👍
that was very interesting ,,, thanks for the video ...
Absolutely Amazing
Bob hello show and explain the MIG / MAG welding technique in position 5G and 6G for testing
Great video, as usual. Just keep that thing out of my shop! ;-)
good info...thanks for sharing
Great video, thank you
i wonder if the fact that the plate was warped at at angle had something to do with the spikes in reading,it could of passed though because it thinks there is .375 across a plane?
It would be good to UT the downhill stick root to really shut the haters up. Awesome video
Hey guys, I just started out stick welding (Also got a MIG from a friend but I didn't quite figure that out yet, attempts today have failed hehe) and I already watched some of your videos on it which have been very helpful so far. But I got two little questions which I haven't been able to figure out on my own yet:
Sometimes the rod likes to stick, could it be the rod just being wonky or a 1D-10-T failure due to improper technique (using a 3.2mm 6013)?
And when you weld gaps, the pieces are always beveled towards the outside (I assume for better penetration) but you still leave a gap between the two pieces. What exactly is the reason for the gap? Is it crucial?
Not trying to pursue this as a career, it just seemed like a really handy skill to have since I've moved out into the emptiest german province I could find and I'm really enjoying it so far, even though my welds are still crappy. They held me just fine though without breaking and don't look so terrible after grinding them down either.
If anyone could shed some light into that for me I'd greatly appreciate it.
at 2:14 is it ultrasonic or ultrasound
Good stuff to know. Im new to welding and is wondering. Bob What is the difference between undercutting and lack of fill?
Undercut is caused by the arc. Under fill is just not getting weld up above parent metal like in a groove weld.
I've never heard "piezoelectric" pronounced that way, but I certainly appreciate this video.
Excellent sir
TOFD is a tough one to crack!
Cool stuff, I think when or ndt guy comes to inspect ski lifts soon I'm gonna try to see more of what's going on, most the welds he looks at are older than me...
Pulsed ET is amazing.
Brilliant video, well presented as usual !!....Welders jelly bahahbha!
this was good
Wow he explains well
NDT ALL DAY best career, funny when welders always say I didn’t see nothing hahah
Looks like a fish finder in steel. :)
deadly!
Yaaaa!!
Show helium testing next :)
Have to watch this for engineering D:
GCSE 2020 DDDDDD::::::::::
Is ndt ultrasound an aws cert ?
It is not. Without getting to deep into it, ASNT is the group over Nondestructive Testing and the certifications are employer based in most cases in the US. API does have an ultrasonic examiners cert - API QUTE - but even it references SNT-TC1A
very interesting, would have been even more so if the guest was miked.
Agreed
That and get the table out from between them and the camera.
The topic is very interesting and I would like to hear more on it.
I think having more video segments on NDT would be something I
would definitely watch. The use in the aircraft industry is where I would lean.
When I was in school for my A&P certs this was only touched on and I would
really like more on NDT.
Thanks for the video.
A few years from now Banggood will have a phone adapter for ultrasonic testing for $9.95 that will do everything his does and more.
They already have this. China developed one and another manufacturer has one also. Its the size of a iPhone.
I'd love to see these things hit with the grinder so we could see the actual problem and then show us how it is repaired.
Is it a boy or a flaw? Can Garrett use this technology on your golf swing?
Mark Tracy Too many flaws in my swing. Need bigger equipment!
Good stuff Bob. Wish the guest had a mic also though for us deaf guys. ;-)
Agreed
Where are you guys based? Kindly drop your contact
Cowley College
Fantastic video. Bob if you hadn’t become a welder you’d have put Jay Leno out of work.
How deep can you go
Depends on the material and the transducer characteristics. Insane case 400" - on castings or some composites hardly an inch
Audio of guest is poor.
its a pregnancy test for welds.....
Great sir, lets me follow your chanel...
@orbitalndt
That glas is silicone
I do not know what is going on byeeeee
50% to 100% screen height? Typical standards are 40 & 80 % screen height but I guess...
At the time I was working heavy with D1.1 Sensitivity Cal on an IIW doesn't specify an amplitude just says get a reference and use that as your reference level B when reporting
Can't hardly hear the guest at all.
young man needs to face the microphone
Second
First!
What did you win??
A great lesson on NDT!
lol . . I knew you had to be funny!!!
That dudes haircut is awful