andrew-payzant
From: "Mibeck, Blaise"
Date: Thursday, July 25, 2019 at 4:23 PM
To: Julian Richard Tolchard , "Payzant,
Andrew"
Cc: Rietveld list
Subject: Re: [EXTERNAL] Mounting Sample on High Temperature XRD Ribbon Heater
Been a long day. I did have a new platinum ribbon
file/e-andrew-payzant
From: Timothy Hyde
Date: Friday, July 26, 2019 at 6:07 AM
To: "Mibeck, Blaise" , Julian Richard Tolchard
, "Payzant, Andrew"
Cc: Rietveld list
Subject: RE: [EXTERNAL] Mounting Sample on High Temperature XRD Ribbon Heater
Blaise,
Andrew, below corre
-requ...@ill.fr On Behalf Of
Mibeck, Blaise
Sent: 25 July 2019 21:23
To: Julian Richard Tolchard ; Payzant, Andrew
Cc: rietveld_l@ill.fr
Subject: Re: [EXTERNAL] Mounting Sample on High Temperature XRD Ribbon Heater
Been a long day. I did have a new platinum ribbon heater and it working well!
I
i36>
From: Julian Richard Tolchard
Sent: Thursday, July 25, 2019 10:40:26 AM
To: Payzant, Andrew ; Mibeck, Blaise
Cc: rietveld_l@ill.fr
Subject: RE: [EXTERNAL] Mounting Sample on High Temperature XRD Ribbon Heater
Andrew,
I agree completely. Pt does definitely ha
rietveld_l@ill.fr
Subject: Re: [EXTERNAL] Mounting Sample on High Temperature XRD Ribbon Heater
Jools,
You are right. “Lab grade” bottled N2 may have enough residual oxygen to cause
problems, plus it is hard to purge the chamber properly to get the pO2 low
enough to avoid issues. But an H2/N2
**
From: Julian Richard Tolchard
Date: Thursday, July 25, 2019 at 10:47 AM
To: "Mibeck, Blaise" , Andrew Payzant
Cc: Rietveld list
Subject: RE: [EXTERNAL] Mounting Sample on High Temperature XRD Ribbon Heater
Actually, i wouldn't recommend that ei
16.27
To: Payzant, Andrew
Cc: rietveld_l@ill.fr
Subject: Re: [EXTERNAL] Mounting Sample on High Temperature XRD Ribbon Heater
Thank you -- I will try nitrogen then!
From: Payzant, Andrew mailto:payza...@ornl.gov>>
Sent: Thursday, July 25, 2019 9:08 AM
To:
Thank you -- I will try nitrogen then!
From: Payzant, Andrew
Sent: Thursday, July 25, 2019 9:08 AM
To: Mibeck, Blaise
Cc: rietveld_l@ill.fr
Subject: Re: [EXTERNAL] Mounting Sample on High Temperature XRD Ribbon Heater
STOP!!!
The tantalum foil should
STOP!!!
The tantalum foil should not be used for high temperature in air. Above a few
hundred degrees Celsius it will oxidize rapidly and disintegrate.
I accidently learned this the hard way many years ago!
Either use an inert atmosphere or vacuum. Or use a different heater ribbon,
suitable
