{"term":{"id":"06191","title":"surface stress","longtitle":"IUPAC Gold Book - surface stress","doi":"10.1351\/goldbook.S06191","code":"S06191","status":"current","definitions":[{"id":1,"text":"The work required to form unit area of new surface by stretching under equilibrium conditions. It is numerically equal to the force acting in the jth direction per unit length of exposed edge, the edge being normal to the ith direction, that must be applied to a terminating surface to keep it in equilibrium, the ith and jth directions lying in the plane of the surface.","sources":["PAC, 1986, 58, 437. 'Interphases in systems of conducting phases (Recommendations 1985)' on page 451 (https:\/\/doi.org\/10.1351\/pac198658030437)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/S06191\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/S06191\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/S06191\/plain"},"citation":"Citation: 'surface stress' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351\/goldbook.S06191","license":"The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/) for individual terms.","collection":"If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .","disclaimer":"The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.","accessed":"2026-06-12T07:49:20+00:00"}}