Deformations of microindentations on glassy epoxy mixed with silica nanoparticles
The change in the deformation properties of epoxy polymers after the addition of silica nanoparticles has been studied. It was shown that the addition of nanoparticles results in the polymer structural changes similar to the plasticization effect (increased mobility of the polymer chain). Nature of...
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| Veröffentlicht in: | Physica. B, Condensed matter Condensed matter, 2019-05, Vol.560, p.23-27 |
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| container_title | Physica. B, Condensed matter |
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| creator | Nomoev, Andrey V. Sanditov, Damba S. Syzrantsev, Vyacheslav V. Radnaev, Bair R. Schreiber, Makoto |
| description | The change in the deformation properties of epoxy polymers after the addition of silica nanoparticles has been studied. It was shown that the addition of nanoparticles results in the polymer structural changes similar to the plasticization effect (increased mobility of the polymer chain). Nature of the stress relaxation kinetics significantly changed. In particular, for polymer with 1.6 wt% of nanoparticles, a complete recovery of the microindentation effect was observed (healing of indentation). The change in the activation energy of thermally stimulated relaxation of frozen inelastic deformations in an epoxy polymer was determined. The volume of atoms delocalization of the modified resin was estimated. |
| doi_str_mv | 10.1016/j.physb.2019.02.024 |
| format | Article |
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It was shown that the addition of nanoparticles results in the polymer structural changes similar to the plasticization effect (increased mobility of the polymer chain). Nature of the stress relaxation kinetics significantly changed. In particular, for polymer with 1.6 wt% of nanoparticles, a complete recovery of the microindentation effect was observed (healing of indentation). The change in the activation energy of thermally stimulated relaxation of frozen inelastic deformations in an epoxy polymer was determined. The volume of atoms delocalization of the modified resin was estimated.</description><identifier>ISSN: 0921-4526</identifier><identifier>EISSN: 1873-2135</identifier><identifier>DOI: 10.1016/j.physb.2019.02.024</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Addition polymerization ; Deformation ; Delocalization ; Epoxy polymer ; Frozen inelastic strain ; Microhardness ; Microindentation ; Molecular structure ; Nanoparticles ; Polymerization ; Polymers ; Silica nanoparticles ; Silicon dioxide ; Stress relaxation ; Thermally-stimulated relaxation</subject><ispartof>Physica. 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B, Condensed matter</title><description>The change in the deformation properties of epoxy polymers after the addition of silica nanoparticles has been studied. It was shown that the addition of nanoparticles results in the polymer structural changes similar to the plasticization effect (increased mobility of the polymer chain). Nature of the stress relaxation kinetics significantly changed. In particular, for polymer with 1.6 wt% of nanoparticles, a complete recovery of the microindentation effect was observed (healing of indentation). The change in the activation energy of thermally stimulated relaxation of frozen inelastic deformations in an epoxy polymer was determined. The volume of atoms delocalization of the modified resin was estimated.</description><subject>Addition polymerization</subject><subject>Deformation</subject><subject>Delocalization</subject><subject>Epoxy polymer</subject><subject>Frozen inelastic strain</subject><subject>Microhardness</subject><subject>Microindentation</subject><subject>Molecular structure</subject><subject>Nanoparticles</subject><subject>Polymerization</subject><subject>Polymers</subject><subject>Silica nanoparticles</subject><subject>Silicon dioxide</subject><subject>Stress relaxation</subject><subject>Thermally-stimulated relaxation</subject><issn>0921-4526</issn><issn>1873-2135</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9UMtKBDEQDKLguvoFXgY8z5jXvA4eZH2CIIKeQybpuBl2kzGZ1Z2_N-vq1e6ChqaqmyqEzgkuCCbVZV8Myyl2BcWkLTBN4AdoRpqa5ZSw8hDNcEtJzktaHaOTGHucitRkhl5uwPiwlqP1LmbeZGurgrdOgxv_li57X8kYpwwGv50SYws6-7LjMot2ZZXMnHR-kGG0agXxFB0ZuYpw9jvn6O3u9nXxkD893z8urp9yxRgZc9m0ppQEA1QNB20ATMdaXUNqjUnDS1Yp6JippaoYlRXXpVa07Qzjpawkm6OL_d0h-I8NxFH0fhNceikopZxxzAhOLLZnJVcxBjBiCHYtwyQIFrvsRC9-shO77ASmCTyprvYqSAY-LQQRlQWnQNsAahTa23_13yS8ew8</recordid><startdate>20190501</startdate><enddate>20190501</enddate><creator>Nomoev, Andrey V.</creator><creator>Sanditov, Damba S.</creator><creator>Syzrantsev, Vyacheslav V.</creator><creator>Radnaev, Bair R.</creator><creator>Schreiber, Makoto</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20190501</creationdate><title>Deformations of microindentations on glassy epoxy mixed with silica nanoparticles</title><author>Nomoev, Andrey V. ; Sanditov, Damba S. ; Syzrantsev, Vyacheslav V. ; Radnaev, Bair R. ; Schreiber, Makoto</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c331t-a89f5a10ee684edfeefb39d7e7e7d0184536ceb3f7ac632a64d5dc29bf345a6a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Addition polymerization</topic><topic>Deformation</topic><topic>Delocalization</topic><topic>Epoxy polymer</topic><topic>Frozen inelastic strain</topic><topic>Microhardness</topic><topic>Microindentation</topic><topic>Molecular structure</topic><topic>Nanoparticles</topic><topic>Polymerization</topic><topic>Polymers</topic><topic>Silica nanoparticles</topic><topic>Silicon dioxide</topic><topic>Stress relaxation</topic><topic>Thermally-stimulated relaxation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nomoev, Andrey V.</creatorcontrib><creatorcontrib>Sanditov, Damba S.</creatorcontrib><creatorcontrib>Syzrantsev, Vyacheslav V.</creatorcontrib><creatorcontrib>Radnaev, Bair R.</creatorcontrib><creatorcontrib>Schreiber, Makoto</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physica. 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| ispartof | Physica. B, Condensed matter, 2019-05, Vol.560, p.23-27 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Addition polymerization Deformation Delocalization Epoxy polymer Frozen inelastic strain Microhardness Microindentation Molecular structure Nanoparticles Polymerization Polymers Silica nanoparticles Silicon dioxide Stress relaxation Thermally-stimulated relaxation |
| title | Deformations of microindentations on glassy epoxy mixed with silica nanoparticles |
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