####################################################
# John Budai <budaijd@ornl.gov>
# requesting 2 days, at minimum=1.66 days
# beamline 34ID-E, Growth morphology in phase separated Al-Si
# instrument 34ID-E microbeam
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# top:/home/www/beamtime-requests/req00612.txt
# UNICAT Member Beam Time Request  #612
# created Thu Apr 22 13:21:27 CDT 2004
####################################################

beamline:
	34ID-E

collaboration:
	No

collaborator_Wenjun:
	ON

contact:
	budaijd@ornl.gov

days:
	2

description:
	We will study growth mechanisms in directionally solidified Al-Si phase-separated samples grown by R. Napolitano’s group at Iowa State University. Low-growth rates are known to yield a distinctive columnar morphology with a star-shaped cross-section for twinned Si domains.  Three-dimensional x-ray microscopy will be used to determine the relative orientation and connection paths along the Si crystallites. The goal is to understand how nucleation and growth controls particular microstructures in this eutectic system.

equipment_required:
	

experiment:
	Growth morphology in phase separated Al-Si

foreign_nationals:
	

hazards:
	none

instrument:
	34ID-E microbeam

instrument_other:
	

minimumdays:
	1.66

name:
	John Budai

new_request:
	ON

nonmembers:
	

unacceptable_dates:
	May 25 – July 5; Aug 15 – Aug 25
It would be helpful to have this experiment scheduled right before or right after other experiments scheduled for Yang, Larson or Budai.

z34ID_change_undulator:
	no

z34ID_details:
	No.  Note, this experiment could be run parasitic under most conditions if the other station doesn't need to scan or change the undulator energy.

z34ID_on_axis:
	no

z34ID_parasitic:
	no

z34ID_taper:
	no


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