The Resource Development of a combined dilatometer and mass spectrometer system for studying gas phase chemistry and kinetics during sintering, by Matthew Schurwanz, (electronic resource)
Development of a combined dilatometer and mass spectrometer system for studying gas phase chemistry and kinetics during sintering, by Matthew Schurwanz, (electronic resource)
Resource Information
The item Development of a combined dilatometer and mass spectrometer system for studying gas phase chemistry and kinetics during sintering, by Matthew Schurwanz, (electronic resource) represents a specific, individual, material embodiment of a distinct intellectual or artistic creation found in University of Missouri-St. Louis Libraries.This item is available to borrow from all library branches.
Resource Information
The item Development of a combined dilatometer and mass spectrometer system for studying gas phase chemistry and kinetics during sintering, by Matthew Schurwanz, (electronic resource) represents a specific, individual, material embodiment of a distinct intellectual or artistic creation found in University of Missouri-St. Louis Libraries.
This item is available to borrow from all library branches.
- Summary
- Details on the components and materials comprising the combined dilatometry mass spectrometry (CDMS) apparatus are provided; including recent modifications, operating procedures and information on major system failures. The CDMS is then used to study the gas phase reactions that occur during the sintering of strontium titanate. Two families of peaks are identified based on isotope ratios, cracking patterns, and comparisons to the decomposition of model compounds, as carbon dioxide and sulfur dioxide. Quantitative analysis was performed by comparing the primary peak size from the strontium titanate sample to the decomposition of the model compounds, showing that these two gases can account for between 60 to 200% of the observed weight loss. This range is because it is unclear whether the carbon and sulfur reacted with oxygen occurring in the crystal matrix, or with trace oxygen in the atmosphere. The model-free technique for determining the apparent activation energy of sintering proposed by Su and Johnson is modified using an approximation developed by Lee and Beck. The analytic equations are compared to numeric integration to find the activation energy of sintering for simulated data. All equations are proven to be highly accurate, two of them more so than numeric integration when noise is present in the data. Additionally, if an equation for the mechanism is known, the approximation can be substituted for the integral so that the full equation can be mathematically manipulated to facilitate analysis of the assumed mechanism
- Language
- eng
- Extent
- 1 online resource (xiii, 107 pages)
- Note
-
- Title from PDF of title page (University of Missouri--Columbia, viewed on April 1, 2011)
- The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file
- Thesis advisor: Dr. Stephen J. Lombardo
- Label
- Development of a combined dilatometer and mass spectrometer system for studying gas phase chemistry and kinetics during sintering
- Title
- Development of a combined dilatometer and mass spectrometer system for studying gas phase chemistry and kinetics during sintering
- Statement of responsibility
- by Matthew Schurwanz
- Language
- eng
- Summary
- Details on the components and materials comprising the combined dilatometry mass spectrometry (CDMS) apparatus are provided; including recent modifications, operating procedures and information on major system failures. The CDMS is then used to study the gas phase reactions that occur during the sintering of strontium titanate. Two families of peaks are identified based on isotope ratios, cracking patterns, and comparisons to the decomposition of model compounds, as carbon dioxide and sulfur dioxide. Quantitative analysis was performed by comparing the primary peak size from the strontium titanate sample to the decomposition of the model compounds, showing that these two gases can account for between 60 to 200% of the observed weight loss. This range is because it is unclear whether the carbon and sulfur reacted with oxygen occurring in the crystal matrix, or with trace oxygen in the atmosphere. The model-free technique for determining the apparent activation energy of sintering proposed by Su and Johnson is modified using an approximation developed by Lee and Beck. The analytic equations are compared to numeric integration to find the activation energy of sintering for simulated data. All equations are proven to be highly accurate, two of them more so than numeric integration when noise is present in the data. Additionally, if an equation for the mechanism is known, the approximation can be substituted for the integral so that the full equation can be mathematically manipulated to facilitate analysis of the assumed mechanism
- Cataloging source
- MUU
- http://library.link/vocab/creatorDate
- 1983-
- http://library.link/vocab/creatorName
- Schurwanz, Matthew
- Degree
- M.S.
- Dissertation year
- 2010.
- Granting institution
- University of Missouri--Columbia
- Illustrations
- illustrations
- Index
- no index present
- Literary form
- non fiction
- Nature of contents
-
- dictionaries
- bibliography
- theses
- http://library.link/vocab/relatedWorkOrContributorName
- Lombardo, Stephen J.
- http://library.link/vocab/subjectName
-
- Chemical reactions
- Gas chromatography
- Mass spectrometers
- Dilatometer
- Sintering
- Strontium
- Titanates
- Target audience
- specialized
- Label
- Development of a combined dilatometer and mass spectrometer system for studying gas phase chemistry and kinetics during sintering, by Matthew Schurwanz, (electronic resource)
- Note
-
- Title from PDF of title page (University of Missouri--Columbia, viewed on April 1, 2011)
- The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file
- Thesis advisor: Dr. Stephen J. Lombardo
- Bibliography note
- Includes bibliographical references
- Carrier category
- online resource
- Carrier category code
-
- cr
- Carrier MARC source
- rdacarrier
- Content category
- text
- Content type code
-
- txt
- Content type MARC source
- rdacontent
- Control code
- 712789905
- Extent
- 1 online resource (xiii, 107 pages)
- Form of item
- online
- Media category
- computer
- Media MARC source
- rdamedia
- Media type code
-
- c
- Other physical details
- illustrations
- Specific material designation
- remote
- System control number
- (OCoLC)712789905
- Label
- Development of a combined dilatometer and mass spectrometer system for studying gas phase chemistry and kinetics during sintering, by Matthew Schurwanz, (electronic resource)
- Note
-
- Title from PDF of title page (University of Missouri--Columbia, viewed on April 1, 2011)
- The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file
- Thesis advisor: Dr. Stephen J. Lombardo
- Bibliography note
- Includes bibliographical references
- Carrier category
- online resource
- Carrier category code
-
- cr
- Carrier MARC source
- rdacarrier
- Content category
- text
- Content type code
-
- txt
- Content type MARC source
- rdacontent
- Control code
- 712789905
- Extent
- 1 online resource (xiii, 107 pages)
- Form of item
- online
- Media category
- computer
- Media MARC source
- rdamedia
- Media type code
-
- c
- Other physical details
- illustrations
- Specific material designation
- remote
- System control number
- (OCoLC)712789905
Library Locations
-
St. Louis Mercantile LibraryBorrow it1 University Blvd, St. Louis, MO, 63121, US38.710138 -90.311107
-
-
University ArchivesBorrow it703 Lewis Hall, Columbia, MO, 65211, US
-
University of Missouri-St. Louis Libraries DepositoryBorrow it2908 Lemone Blvd, Columbia, MO, 65201, US38.919360 -92.291620
-
University of Missouri-St. Louis Libraries DepositoryBorrow it2908 Lemone Blvd, Columbia, MO, 65201, US38.919360 -92.291620
-
Ward E Barnes Education LibraryBorrow it8001 Natural Bridge Rd, St. Louis, MO, 63121, US38.707079 -90.311355
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<div class="citation" vocab="http://schema.org/"><i class="fa fa-external-link-square fa-fw"></i> Data from <span resource="http://link.umsl.edu/portal/Development-of-a-combined-dilatometer-and-mass/x21gYGsCe4U/" typeof="Book http://bibfra.me/vocab/lite/Item"><span property="name http://bibfra.me/vocab/lite/label"><a href="http://link.umsl.edu/portal/Development-of-a-combined-dilatometer-and-mass/x21gYGsCe4U/">Development of a combined dilatometer and mass spectrometer system for studying gas phase chemistry and kinetics during sintering, by Matthew Schurwanz, (electronic resource)</a></span> - <span property="potentialAction" typeOf="OrganizeAction"><span property="agent" typeof="LibrarySystem http://library.link/vocab/LibrarySystem" resource="http://link.umsl.edu/"><span property="name http://bibfra.me/vocab/lite/label"><a property="url" href="http://link.umsl.edu/">University of Missouri-St. Louis Libraries</a></span></span></span></span></div>