Kλουμπιος is asking what the chances are of going back with Clumpy? Will
he need a Green Card?
Brian
On 07/03/2011 15:43, David D. Hillman wrote:
> Hi folks - Here is the Friday Element Quiz Answer:
>
> The Question:
>
> This element has two allotropic phases - one is an FCC structure and one
> is a HCP structure. This element plays a critical role as an alloying
> element in a wide range of metal alloys, cermets and protective
> coatings. This element has only one stable isotope which finds use in food
>
> sterilization and medical radiotherapy. Nearly 6 billion tons of this
> element are estimated to exist on the world's seafloor but are not
> economically recoverable at today's metal prices. What element is being
> described?
>
> Bonus question: In what year was this element's oxide first reduced to
> produce the pure element?
>
> The Answer:
>
> The element is Cobalt (Co). Cobalt is a very important element in terms of
> an alloying constituent in steel, superalloys, and ceramics. About 40% of
> the world Cobalt production is used to produce Co compounds for
> decolorizing and colorizing glass, potter, paint, ink and as additives to
> rechargeable Li-ion batteries. Early computer disks used Fe2O3 particles
> dispersed in an epoxy phenolic resin as the magnetic recording media.
> These disks worked well for moderate data storage densities. However,
> higher storage densities require thin film rather than particles. Cobalt
> based thin film compositions such as Co-Pt-B or Co-Cr-Ta are used in those
> applications.
>
> The winner of this week's quiz is Brian Ellis so Clumpy will be packing
> the John Deere and heading to Cyprus. Bev Christian correctly answered
> the bonus question - the year was 1735.
>
> So far Clumpy has:
>
> Week 1 Lamar Young, SCS Coatings
> - accomplished nothing (drank lots of coffee)
>
> Week 2 Bev Christian, RIM
> - conducted REACH material testing
>
> Week 3 Drew Meyer, Benchmark Electronics Inc.
> - Solderability testing and mowed the lawn
>
> Week 4 Ian Fox, Goodrich
> - had an epic journey of travel
>
> Week 4 Gary Ferrari, Garrick Global
> - unknown
>
> Week 5 Fredrick Miller, Astrolab
> - unknown
>
> Week 6 David Nelson, Raytheon
> - Was a tackling dummy for Dallas Cowboys
>
> Week 7 Graham Collins, L3 Communications
> - Cleaned gutters and painted window trim
>
> Week 8 Bill Noel, ITT Geospatial Systems Division
> - unknown
>
> Week 9 Steve Gregory of RD Circuits
> - unknown
>
> Week 10 David Bealer of Watchfire Signs
> - descaled the in-line wash machine! Ouch!
>
> Week 11 Dick Krug of Sparton Corporation
> - assisted with AS9100 quality management systems requirements audit
>
> Week 12 Steve Creswick of Balanced Enterprise Solutions
> - Acted as Steve's "go fer" due to a broken leg!
>
> Week 13 Gebhard Neifer, Delphi
> - conducted a plasma pre treatment Taguchi DOE for a sealing process
>
> Week 14 Bev Christian, RIM
> - assisted with a tin pest investigation/test
>
> Week 15 Bev Christian, RIM
> - assisted Bev shoveling snow
>
> Week 16 David Bealer of Waatchfire Signs
> - unknown
>
> Week 17 Brian Ellis, rumored to be retired
> - assisted with ??????????
>
>
> Dave Hillman
> Rockwell Collins
> [log in to unmask]
>
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