Presidential Young Investigator Award:  Chemical Diffusion  and Oxidation Kinetics in Silicate Glasses
{'Code': '07030000', 'Directorate': {'Abbreviation': 'ENG', 'LongName': 'Directorate For Engineering'}, 'Division': {'Abbreviation': 'CMMI', 'LongName': 'Div Of Civil, Mechanical, & Manufact Inn'}}
{'SignBlockName': 'HUSEYIN A. SEHITOGLU', 'PO_EMAI': None, 'PO_PHON': None}
The project deals with an experimental study of nucleation/glass                stability as affected by chemical diffusion in sililicate glasses               and glass.ceramics.  The primary emphasis of the study is to                    characterize the mechanism(s) and kinetics of oxidation/reduction               in iron.bearing silicate glasses and the effect of the valence                  state of iron on glass stability and crystalline nucleation.  The               results of this research should suggest novel approaches to the                 preparation of glass.ceramic materials through `controlled                      oxidation', i.e., the application/manipulation of a chemical                    potential gradient of oxygen to drive chemical diffusion and                    consequent structural rearrangement and crystalline nucleation in               the glass.  Controlled oxidation should additionally affect the                 equilibrium texture in the glass.plus.crystalline system; the                   ability to control this texture, and therefore control certain                  physical properties of the glass.ceramic.  The                                  oxidation/reduction studies will include glasses of basaltic                    composition (both fabricated and natural) in an attempt to                      characterize the effect of redox conditions on the kinetics of                  chemical diffusion and crystalline nucleation in mafic magmas.
{'FirstName': 'Reid', 'LastName': 'Cooper', 'PI_MID_INIT': 'F', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Reid F Cooper', 'EmailAddress': 'Reid_Cooper@brown.edu', 'NSF_ID': '000241353', 'StartDate': '06/15/1987', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'University of Wisconsin-Madison', 'CityName': 'MADISON', 'ZipCode': '537151218', 'PhoneNumber': '6082623822', 'StreetAddress': '21 N PARK ST STE 6301', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'Wisconsin', 'StateCode': 'WI', 'CONGRESSDISTRICT': '02', 'CONGRESS_DISTRICT_ORG': 'WI02', 'ORG_UEI_NUM': 'LCLSJAGTNZQ7', 'ORG_LGL_BUS_NAME': 'UNIVERSITY OF WISCONSIN SYSTEM', 'ORG_PRNT_UEI_NUM': None}
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[{'Code': '144600', 'Text': 'MATERIALS'}, {'Code': '922700', 'Text': 'DATA NOT AVAILABLE'}]
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