Effect of Humidity Instability on Rehydroxylation in Fired Clay Ceramics
Several samples of the XIX‐century Davenport pottery and XX‐century structural masonry were reheated at 500°C and then exposed to a humid gas of controlled relative humidity. Changes in the sample masses were recorded in response to both systematic and transient step changes in humidity. In addition...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2013-04, Vol.96 (4), p.1047-1050 |
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| creator | Drelich, Jaroslaw Bowen, Patrick K. Scarlett, Timothy J. |
| description | Several samples of the XIX‐century Davenport pottery and XX‐century structural masonry were reheated at 500°C and then exposed to a humid gas of controlled relative humidity. Changes in the sample masses were recorded in response to both systematic and transient step changes in humidity. In addition, a reheated masonry sample underwent a sequence of soaking and drying and hundreds of hours of interactions with humid air in between these treatments to examine long‐term effects of extreme humidity fluctuations. All experimental results indicate that instantaneous humidity and the sample's hygral history have a negligible effect on the long‐term kinetics of mass gain. This important finding provides strong experimental support for the newly developed rehydroxylation (RHX) ceramic dating technique by proving that humidity affects physically bonded water in the ceramics, but has a negligible effect on chemically bonded water. |
| doi_str_mv | 10.1111/jace.12262 |
| format | Article |
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Changes in the sample masses were recorded in response to both systematic and transient step changes in humidity. In addition, a reheated masonry sample underwent a sequence of soaking and drying and hundreds of hours of interactions with humid air in between these treatments to examine long‐term effects of extreme humidity fluctuations. All experimental results indicate that instantaneous humidity and the sample's hygral history have a negligible effect on the long‐term kinetics of mass gain. This important finding provides strong experimental support for the newly developed rehydroxylation (RHX) ceramic dating technique by proving that humidity affects physically bonded water in the ceramics, but has a negligible effect on chemically bonded water.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/jace.12262</identifier><identifier>CODEN: JACTAW</identifier><language>eng</language><publisher>Columbus: Blackwell Publishing Ltd</publisher><subject>Ceramics ; Chemical bonds ; Dating techniques ; Drying ; Fluctuation ; Gain ; Humidity ; Masonry ; Pottery ; Temperature effects ; Water</subject><ispartof>Journal of the American Ceramic Society, 2013-04, Vol.96 (4), p.1047-1050</ispartof><rights>2013 The American Ceramic Society</rights><rights>Copyright Wiley Subscription Services, Inc. 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This important finding provides strong experimental support for the newly developed rehydroxylation (RHX) ceramic dating technique by proving that humidity affects physically bonded water in the ceramics, but has a negligible effect on chemically bonded water.</description><subject>Ceramics</subject><subject>Chemical bonds</subject><subject>Dating techniques</subject><subject>Drying</subject><subject>Fluctuation</subject><subject>Gain</subject><subject>Humidity</subject><subject>Masonry</subject><subject>Pottery</subject><subject>Temperature effects</subject><subject>Water</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqN0c1O3DAUBWCrKhJT6KZPEKkbVCnge_2XLFEYGBCiCKi6tBzHVj1kEmpnBHl7Mgx0waKtN_aVvmPZOoR8AXoI0zpaGusOAVHiBzIDISDHEuRHMqOUYq4KpLvkU0rLaYSy4DOymHvv7JD1PlusV6EJw5idd2kwdWg3577LbtyvsYn909iaIUxz6LLTEF2TVa0Zs8pFswo27ZMdb9rkPr_ue-TH6fyuWuSX38_Oq-PL3HJWYF4A46Xjta2pRCsVCtUAUl83jaIll1zB9CBmuZBl4QuhSu8lZ8oKT4WoHdsjB9t7H2L_e-3SoFchWde2pnP9OmmQJTIqFef_phxUCQrEf1AmBSBD3NCv7-iyX8du-vOkUHIshFCT-rZVNvYpRef1QwwrE0cNVG-q0puq9EtVE4YtfgytG_8i9cVxNX_L5NtMSIN7-pMx8V5LxZTQP6_O9N3NxcktXkt9wp4BJQih-A</recordid><startdate>201304</startdate><enddate>201304</enddate><creator>Drelich, Jaroslaw</creator><creator>Bowen, Patrick K.</creator><creator>Scarlett, Timothy J.</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>201304</creationdate><title>Effect of Humidity Instability on Rehydroxylation in Fired Clay Ceramics</title><author>Drelich, Jaroslaw ; Bowen, Patrick K. ; Scarlett, Timothy J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4382-81349e4bcb062c67257d120fbdd70946471ffe3c45698f8579ff6437c5f055be3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Ceramics</topic><topic>Chemical bonds</topic><topic>Dating techniques</topic><topic>Drying</topic><topic>Fluctuation</topic><topic>Gain</topic><topic>Humidity</topic><topic>Masonry</topic><topic>Pottery</topic><topic>Temperature effects</topic><topic>Water</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Drelich, Jaroslaw</creatorcontrib><creatorcontrib>Bowen, Patrick K.</creatorcontrib><creatorcontrib>Scarlett, Timothy J.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of the American Ceramic Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Drelich, Jaroslaw</au><au>Bowen, Patrick K.</au><au>Scarlett, Timothy J.</au><au>Hall, C.</au><au>Hall, C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Humidity Instability on Rehydroxylation in Fired Clay Ceramics</atitle><jtitle>Journal of the American Ceramic Society</jtitle><addtitle>J. Am. Ceram. Soc</addtitle><date>2013-04</date><risdate>2013</risdate><volume>96</volume><issue>4</issue><spage>1047</spage><epage>1050</epage><pages>1047-1050</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><coden>JACTAW</coden><abstract>Several samples of the XIX‐century Davenport pottery and XX‐century structural masonry were reheated at 500°C and then exposed to a humid gas of controlled relative humidity. Changes in the sample masses were recorded in response to both systematic and transient step changes in humidity. In addition, a reheated masonry sample underwent a sequence of soaking and drying and hundreds of hours of interactions with humid air in between these treatments to examine long‐term effects of extreme humidity fluctuations. All experimental results indicate that instantaneous humidity and the sample's hygral history have a negligible effect on the long‐term kinetics of mass gain. 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| source | Wiley Online Library All Journals |
| subjects | Ceramics Chemical bonds Dating techniques Drying Fluctuation Gain Humidity Masonry Pottery Temperature effects Water |
| title | Effect of Humidity Instability on Rehydroxylation in Fired Clay Ceramics |
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