This investigation of the vanadium-zirconium alloy system produced evidence on several points concerning the equilibrium diagram. It was shown that a eutectic reaction between an intermediate phase and a zirconium-rich solid solution occurs at a temperature of 1230° +/- 10°C, and that the intermediate phase decomposes in a peritectic reaction at 1300° +/- 25°C to give liquid and a vanadium-rich solid solution. The eutectic composition was found to be near 30 percent vanadium. The intermediate phase was determined to exist over only a very narrow range of composition near 52.8 percent vanadium, the stoichiometric composition for V2Zr. V2Zr was shown to undergo no solid state transformations;The lattice type for V2Zr was not determined. It did not appear to be that reported by Wallbaum (2), however;A eutectoid reaction was found to take place at 777° +/- 5°C. The reaction could not be complete1y suppressed by quenching. The eutectoid composition was found to be 5 percent +/- 0.5 percent vanadium. The temperature and composition of the eutectoid may have been influenced by an impurity (perhaps oxygen) in the alloys, however;Some evidence was obtained to show that vanadium dissolves zirconium to the extent of less than five percent at 600°C and slightly more than five percent at temperatures above 800°C. The evidence was poor.
","abstract_html":"<p>This investigation of the vanadium-zirconium alloy system produced evidence on several points concerning the equilibrium diagram. It was shown that a eutectic reaction between an intermediate phase and a zirconium-rich solid solution occurs at a temperature of 1230° +/- 10°C, and that the intermediate phase decomposes in a peritectic reaction at 1300° +/- 25°C to give liquid and a vanadium-rich solid solution. The eutectic composition was found to be near 30 percent vanadium. The intermediate phase was determined to exist over only a very narrow range of composition near 52.8 percent vanadium, the stoichiometric composition for V2Zr. V2Zr was shown to undergo no solid state transformations;The lattice type for V2Zr was not determined. It did not appear to be that reported by Wallbaum (2), however;A eutectoid reaction was found to take place at 777° +/- 5°C. The reaction could not be complete1y suppressed by quenching. The eutectoid composition was found to be 5 percent +/- 0.5 percent vanadium. The temperature and composition of the eutectoid may have been influenced by an impurity (perhaps oxygen) in the alloys, however;Some evidence was obtained to show that vanadium dissolves zirconium to the extent of less than five percent at 600°C and slightly more than five percent at temperatures above 800°C. The evidence was poor.</p>","abstract_has_math":false,"creators":["Williams, John"],"institution":null,"degree_name":"Doctor of Philosophy","degree_level":"dissertation","degree_discipline":null,"degree_department":"Department of Chemistry","school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1954,"date_issued":"1954","date_published":"1954","updated_at":"2026-07-24T02:37:38Z","subjects":[],"languages":["en"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier.doi","label":"DOI","values":["https://doi.org/10.31274/rtd-180813-14668"],"render_values":[{"text":"https://doi.org/10.31274/rtd-180813-14668","href":"https://doi.org/10.31274/rtd-180813-14668","code":true}]},{"key":"dc:identifier","label":"Identifier","values":["archive/lib.dr.iastate.edu/rtd/13305/"],"render_values":[{"text":"archive/lib.dr.iastate.edu/rtd/13305/","href":null,"code":true}]}]},"links":{"outbound_url":"https://dr.lib.iastate.edu/handle/20.500.12876/66769","outbound_label":"Repository record","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.department","label":"Department","values":["Department of Chemistry"]},{"key":"dc:creator","label":"Author","values":["Williams, John"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2018-08-23T11:42:40.000"]},{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2020-06-30T07:27:44Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2020-06-30T07:27:44Z"]},{"key":"dc:date.issued","label":"Date","values":["1954"]},{"key":"dc:type","label":"Dc Type","values":["dissertation"]},{"key":"thesis:degree_level","label":"Degree Level","values":["dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Doctor of Philosophy"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["archive/lib.dr.iastate.edu/rtd/13305/"]},{"key":"dc:identifier.doi","label":"DOI","values":["https://doi.org/10.31274/rtd-180813-14668"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://dr.lib.iastate.edu/handle/20.500.12876/66769"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["This investigation of the vanadium-zirconium alloy system produced evidence on several points concerning the equilibrium diagram. It was shown that a eutectic reaction between an intermediate phase and a zirconium-rich solid solution occurs at a temperature of 1230° +/- 10°C, and that the intermediate phase decomposes in a peritectic reaction at 1300° +/- 25°C to give liquid and a vanadium-rich solid solution. The eutectic composition was found to be near 30 percent vanadium. The intermediate phase was determined to exist over only a very narrow range of composition near 52.8 percent vanadium, the stoichiometric composition for V2Zr. V2Zr was shown to undergo no solid state transformations;The lattice type for V2Zr was not determined. It did not appear to be that reported by Wallbaum (2), however;A eutectoid reaction was found to take place at 777° +/- 5°C. The reaction could not be complete1y suppressed by quenching. The eutectoid composition was found to be 5 percent +/- 0.5 percent vanadium. The temperature and composition of the eutectoid may have been influenced by an impurity (perhaps oxygen) in the alloys, however;Some evidence was obtained to show that vanadium dissolves zirconium to the extent of less than five percent at 600°C and slightly more than five percent at temperatures above 800°C. The evidence was poor.
"]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["The vanadium-zirconium alloy system"]}]}],"canonical_facts":{"dc:contributor.department":["Department of Chemistry"],"dc:creator":["Williams, John"],"dc:date":["2018-08-23T11:42:40.000"],"dc:date.accessioned":["2020-06-30T07:27:44Z"],"dc:date.available":["2020-06-30T07:27:44Z"],"dc:date.issued":["1954"],"dc:description.abstract":["This investigation of the vanadium-zirconium alloy system produced evidence on several points concerning the equilibrium diagram. It was shown that a eutectic reaction between an intermediate phase and a zirconium-rich solid solution occurs at a temperature of 1230° +/- 10°C, and that the intermediate phase decomposes in a peritectic reaction at 1300° +/- 25°C to give liquid and a vanadium-rich solid solution. The eutectic composition was found to be near 30 percent vanadium. The intermediate phase was determined to exist over only a very narrow range of composition near 52.8 percent vanadium, the stoichiometric composition for V2Zr. V2Zr was shown to undergo no solid state transformations;The lattice type for V2Zr was not determined. It did not appear to be that reported by Wallbaum (2), however;A eutectoid reaction was found to take place at 777° +/- 5°C. The reaction could not be complete1y suppressed by quenching. The eutectoid composition was found to be 5 percent +/- 0.5 percent vanadium. The temperature and composition of the eutectoid may have been influenced by an impurity (perhaps oxygen) in the alloys, however;Some evidence was obtained to show that vanadium dissolves zirconium to the extent of less than five percent at 600°C and slightly more than five percent at temperatures above 800°C. The evidence was poor.
"],"dc:format.mimetype":["application/pdf"],"dc:identifier":["archive/lib.dr.iastate.edu/rtd/13305/"],"dc:identifier.doi":["https://doi.org/10.31274/rtd-180813-14668"],"dc:identifier.uri":["https://dr.lib.iastate.edu/handle/20.500.12876/66769"],"dc:language.iso":["en"],"dc:title":["The vanadium-zirconium alloy system"],"dc:type":["dissertation"],"thesis:degree_level":["dissertation"],"thesis:degree_name":["Doctor of Philosophy"]},"updated_at":"2026-07-24T02:37:38Z"}