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We show that sealing the fluid sample's free surface with the nontoxic liquid metal Galinstan can delay fracture occurrence, extending the measurable shear rate range of a cone-and-plate fixture by a decade. The method's effectiveness is compared to the cone-partitioned plate fixture, an existing tool for mitigating the adverse effects of sample fracture. Our cheap yet effective way to prevent edge fracture will benefit the general rheological study of complex fluids.<\/jats:p>","DOI":"10.1063\/5.0135554","type":"journal-article","created":{"date-parts":[[2022,12,9]],"date-time":"2022-12-09T22:05:05Z","timestamp":1670623505000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":5,"title":["Prevention of edge fracture using a nontoxic liquid metal sealant"],"prefix":"10.1063","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1783-3469","authenticated-orcid":false,"given":"San To","family":"Chan","sequence":"first","affiliation":[{"name":"Micro\/bio\/nanofluidics Unit, Okinawa Institute of Science and Technology Graduate University , Onna, Okinawa 904-0495, Japan"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1884-4100","authenticated-orcid":false,"given":"Simon J.","family":"Haward","sequence":"additional","affiliation":[{"name":"Micro\/bio\/nanofluidics Unit, Okinawa Institute of Science and Technology Graduate University , Onna, Okinawa 904-0495, Japan"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1222-6264","authenticated-orcid":false,"given":"Amy Q.","family":"Shen","sequence":"additional","affiliation":[{"name":"Micro\/bio\/nanofluidics Unit, Okinawa Institute of Science and Technology Graduate University , Onna, Okinawa 904-0495, Japan"}]}],"member":"317","published-online":{"date-parts":[[2023,1,10]]},"reference":[{"key":"2024031523320185000_c1","doi-asserted-by":"publisher","first-page":"646","DOI":"10.1038\/200646a0","article-title":"Fracture of liquids in shear","volume":"200","year":"1963","journal-title":"Nature"},{"key":"2024031523320185000_c2","doi-asserted-by":"publisher","first-page":"222","DOI":"10.1098\/rspa.1965.0177","article-title":"The fracture of liquids in shear: The effects of size and shape","volume":"287","year":"1965","journal-title":"Proc. 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