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I'm Lori Meggs and I'm bill hubscher

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welcome to focus on Marshall today we're

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going to visit a couple of lads that

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have been pretty busy lately that's why

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they've been doing a lot in the support

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of the return to flight effort so let's

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we're out of the instrument and payload

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systems department offices and we're

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joined by Patrick McManus Patrick first

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of all tell us specifically what branch

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remember of where a member of the parts

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packaging fabrication branch and

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specifically we are in charge of Tripoli

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parts engineering and analysis for

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Marshall Space Flight Center projects

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tell us a little bit more about what

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your team does we actually qualified

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parts for Space Flight views and we also

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be on the analytical side we perform

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failure analysis of Tripoli parts and

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also touchscreen carts for Space Flight

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use any good some labs here as well

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right right we do all the tools we need

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for failure analysis they include

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environmental scanning electron

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microscopy we have all like optics

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microscopy lavatory we have a cross

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section in laboratory for metallography

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we also do real-time radiography and we

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also do Fourier transform infrared

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spectroscopy can we take a look yes are

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those two enhanced capabilities that we

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recently were able to procure and one of

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them's the Phoenix Madame X the

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real-time radiography system and the

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other is the environmental scanning

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electron microscope so which one you're

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gonna look at first we're going to look

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at the Phoenix nano max radiography

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system ok let's it over there how did

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the real-time radiography lab with Terry

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Roland Terry thanks for being with us to

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display Lori tell me about what you're

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doing here a whip phone triple-a parts

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failure analysis for Marshall Space

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Flight Center and this is the latest

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piece of equipment that we have to help

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us accomplish that it's made by Phoenix

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and it's a nano focus x-ray machine this

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is a world-class machine there's only a

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few of these things located throughout

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the world so two unique capability that

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we have to help

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perform failure analysis some different

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types of parts what we have on the

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inside here is an engine cutoff sensor

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is called an eco sensor and it's one of

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the things that's called the shuttle to

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be show launched piece crowed and so

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what we'd like to do is we'd like to

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show you what one of these things looks

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like on the inside all right you can do

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that with this computer right over here

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i can really dissect what you're looking

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at is he consents that's correct when he

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when he turns it's not like I said this

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is an x-ray machine so the x rays pass

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completely through the material and

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different materials have different types

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of x-ray densities and so we can look at

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this and determine which parts are

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different types of what their makeups on

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but we can also look for things like

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fractures and broken wires and things

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like that you can see him kind of

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increasing the magnification here and

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what he's looking at is something in

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this eco sensor that's called a terminal

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Salinas what we believe is causing the

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problem with these some of these sensors

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this sensor is also sitting on what's

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called a CNC table it's the computer

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numerically controlled table that allows

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us to make very precise measurements and

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we're going to use this table and future

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screenings for sensors that are going to

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be put in external tanks so a lot of

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return to flight work going on in this

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lab and you also have another lap you

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want to sorry we have a scanning

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electron microscopy lab I like to show

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you all right let's check it out now

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we've moved across the hall to another

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lab and Terry joins us tell us about

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this machine yeah we're in the lot

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optics and scanning electron microscopy

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lab and this is another piece of

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equipment that we have that's new here

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to do failure analysis with it's called

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an environmental scanning electron

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microscope and it's the latest we have

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in a non-destructive evaluation

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techniques with old electron microscopy

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you had to go coke samples and that tend

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to change the characteristics of your

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sample because you always had to shoot

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through the gold now with this new type

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of machine we can actually put samples

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in there that are even wet without

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having any trouble of charging or

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anything like that so this is a

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non-destructive technique we can put a

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sample in there take it out load it back

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into whatever it was and they'll behave

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just like it did before you put it in

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there

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great thanks Terry let's take a quick

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look now at what's inside what's Abrams

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is sitting at the controls Russ tell us

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what we've got inside the microscope

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this is an eco sensor terminal post

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assembly it's at about 65 x

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magnification let me take it in about

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seven hundred or so we'll see what it

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looks like so you can get really tight

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with us in there and look at the

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markings on the post to see what

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happened to it when it was being

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assembled so here we can see that the

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tight picture of the sensor what's our

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on this side it's an elemental analysis

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that can tell us exactly what materials

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this the sensor is made from so not only

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you get an up-close picture but you can

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actually tell what metals etc the actual