The Formation of Microcracks in Water-Saturated Porous Ceramics During Freeze–Thaw Cycles Followed by Acoustic Emission
The acoustic emission (AE) technique was employed to monitor crack formation in the water-saturated ceramic material subjected to freeze–thaw cycles. The samples with water accessible porosity ranging from 6 to 50 vol% were prepared from the illite-rich clay by the sacrificing template method. The e...
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| Veröffentlicht in: | Journal of nondestructive evaluation 2021-03, Vol.40 (1), Article 13 |
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| creator | Húlan, Tomáš Knapek, Michal Csáki, Štefan Kušnír, Jakub Šmilauerová, Jana Dobroň, Patrik Chmelík, František Kaljuvee, Tiit Uibu, Mai |
| description | The acoustic emission (AE) technique was employed to monitor crack formation in the water-saturated ceramic material subjected to freeze–thaw cycles. The samples with water accessible porosity ranging from 6 to 50 vol% were prepared from the illite-rich clay by the sacrificing template method. The experimental samples were fired to 1100 °C in the static air atmosphere. Afterward, they were saturated with distilled water and subjected to the freeze–thaw cycles in the temperature range from − 22 to 20 °C. The AE signals occurred repeatedly during freeze–thaw cycling and they were attributed to the formation of microcracks in the ceramic body. The intensity of microcracking increased with increasing porosity. The microcracks were created primarily during the freezing stages of the experiment. Nevertheless, a considerable number of microcracks also appeared during thawing, especially in the ceramic body with pores below 1 μm. The microcracking during thawing was attributed to the reabsorption of water by tiny pores. |
| doi_str_mv | 10.1007/s10921-020-00748-4 |
| format | Article |
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The samples with water accessible porosity ranging from 6 to 50 vol% were prepared from the illite-rich clay by the sacrificing template method. The experimental samples were fired to 1100 °C in the static air atmosphere. Afterward, they were saturated with distilled water and subjected to the freeze–thaw cycles in the temperature range from − 22 to 20 °C. The AE signals occurred repeatedly during freeze–thaw cycling and they were attributed to the formation of microcracks in the ceramic body. The intensity of microcracking increased with increasing porosity. The microcracks were created primarily during the freezing stages of the experiment. Nevertheless, a considerable number of microcracks also appeared during thawing, especially in the ceramic body with pores below 1 μm. The microcracking during thawing was attributed to the reabsorption of water by tiny pores.</description><subject>Acoustic emission</subject><subject>Ceramics</subject><subject>Characterization and Evaluation of Materials</subject><subject>Classical Mechanics</subject><subject>Control</subject><subject>Crack initiation</subject><subject>Distilled water</subject><subject>Dynamical Systems</subject><subject>Engineering</subject><subject>Fracture mechanics</subject><subject>Freeze thaw cycles</subject><subject>Freezing</subject><subject>Illite</subject><subject>Melting</subject><subject>Microcracks</subject><subject>Porosity</subject><subject>Solid Mechanics</subject><subject>Vibration</subject><issn>0195-9298</issn><issn>1573-4862</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kM9KAzEQh4MoWKsv4CngOZq_3eRYqlWhomDFY0jSrN3abWqyS6kn38E39ElMXcGbp5mB-X7DfACcEnxOMC4uEsGKEoQpRnnkEvE90COiYIjLAd0HPUyUQIoqeQiOUlpgjJUsSA9sp3MPxyHWpqnCCoYS3lUuBheNe02wWsFn0_iIHk3TxtzN4EOIoU1w5KOpK5fgZRur1QscR-_f_dfH53RuNnC0dUufcu5yGTYZsls4dBlrKgev6iqlfOsYHJRmmfzJb-2Dp_HVdHSDJvfXt6PhBDkmBg0qhaXEWO9owfiMWGlmypUzb7lk3HnKGXZCunLALbdWicILVTJZKpFftlyxPjjrctcxvLU-NXoR2rjKJzXlhZAFpWy3Rbut_HxK0Zd6HavaxK0mWO8U606xzor1j2LNM8Q6KK13Enz8i_6H-gb3o4FH</recordid><startdate>20210301</startdate><enddate>20210301</enddate><creator>Húlan, Tomáš</creator><creator>Knapek, Michal</creator><creator>Csáki, Štefan</creator><creator>Kušnír, Jakub</creator><creator>Šmilauerová, Jana</creator><creator>Dobroň, Patrik</creator><creator>Chmelík, František</creator><creator>Kaljuvee, Tiit</creator><creator>Uibu, Mai</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0002-0672-2990</orcidid></search><sort><creationdate>20210301</creationdate><title>The Formation of Microcracks in Water-Saturated Porous Ceramics During Freeze–Thaw Cycles Followed by Acoustic Emission</title><author>Húlan, Tomáš ; Knapek, Michal ; Csáki, Štefan ; Kušnír, Jakub ; Šmilauerová, Jana ; Dobroň, Patrik ; Chmelík, František ; Kaljuvee, Tiit ; Uibu, Mai</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c356t-f5b21abec2734d1b8ad9cfdeb4834ce2430c58cf64b4bb957e59f38f95019b493</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Acoustic emission</topic><topic>Ceramics</topic><topic>Characterization and Evaluation of Materials</topic><topic>Classical Mechanics</topic><topic>Control</topic><topic>Crack initiation</topic><topic>Distilled water</topic><topic>Dynamical Systems</topic><topic>Engineering</topic><topic>Fracture mechanics</topic><topic>Freeze thaw cycles</topic><topic>Freezing</topic><topic>Illite</topic><topic>Melting</topic><topic>Microcracks</topic><topic>Porosity</topic><topic>Solid Mechanics</topic><topic>Vibration</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Húlan, Tomáš</creatorcontrib><creatorcontrib>Knapek, Michal</creatorcontrib><creatorcontrib>Csáki, Štefan</creatorcontrib><creatorcontrib>Kušnír, Jakub</creatorcontrib><creatorcontrib>Šmilauerová, Jana</creatorcontrib><creatorcontrib>Dobroň, Patrik</creatorcontrib><creatorcontrib>Chmelík, František</creatorcontrib><creatorcontrib>Kaljuvee, Tiit</creatorcontrib><creatorcontrib>Uibu, Mai</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of nondestructive evaluation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Húlan, Tomáš</au><au>Knapek, Michal</au><au>Csáki, Štefan</au><au>Kušnír, Jakub</au><au>Šmilauerová, Jana</au><au>Dobroň, Patrik</au><au>Chmelík, František</au><au>Kaljuvee, Tiit</au><au>Uibu, Mai</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Formation of Microcracks in Water-Saturated Porous Ceramics During Freeze–Thaw Cycles Followed by Acoustic Emission</atitle><jtitle>Journal of nondestructive evaluation</jtitle><stitle>J Nondestruct Eval</stitle><date>2021-03-01</date><risdate>2021</risdate><volume>40</volume><issue>1</issue><artnum>13</artnum><issn>0195-9298</issn><eissn>1573-4862</eissn><abstract>The acoustic emission (AE) technique was employed to monitor crack formation in the water-saturated ceramic material subjected to freeze–thaw cycles. The samples with water accessible porosity ranging from 6 to 50 vol% were prepared from the illite-rich clay by the sacrificing template method. The experimental samples were fired to 1100 °C in the static air atmosphere. Afterward, they were saturated with distilled water and subjected to the freeze–thaw cycles in the temperature range from − 22 to 20 °C. The AE signals occurred repeatedly during freeze–thaw cycling and they were attributed to the formation of microcracks in the ceramic body. The intensity of microcracking increased with increasing porosity. The microcracks were created primarily during the freezing stages of the experiment. Nevertheless, a considerable number of microcracks also appeared during thawing, especially in the ceramic body with pores below 1 μm. 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| subjects | Acoustic emission Ceramics Characterization and Evaluation of Materials Classical Mechanics Control Crack initiation Distilled water Dynamical Systems Engineering Fracture mechanics Freeze thaw cycles Freezing Illite Melting Microcracks Porosity Solid Mechanics Vibration |
| title | The Formation of Microcracks in Water-Saturated Porous Ceramics During Freeze–Thaw Cycles Followed by Acoustic Emission |
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