Pressure dependence of the elastic constants of poly(methyl methacrylate)
We report measurements of the hydrostatic pressure dependence of the elastic constants of poly(methyl methacrylate) using high resolution Brillouin spectroscopy. We have measured the density ρ( p) 0 up to 500 MPa, and the longitudinal and transverse sound velocities up to 300 MPa. We have calculated...
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| Veröffentlicht in: | Polymer (Guilford) 1995, Vol.36 (17), p.3267-3271 |
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| container_issue | 17 |
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| container_title | Polymer (Guilford) |
| container_volume | 36 |
| creator | Weishaupt, K. Krbecek, H. Pietralla, M. Hochheimer, H.D. Mayr, P. |
| description | We report measurements of the hydrostatic pressure dependence of the elastic constants of poly(methyl methacrylate) using high resolution Brillouin spectroscopy. We have measured the density ρ(
p) 0 up to 500 MPa, and the longitudinal and transverse sound velocities up to 300 MPa. We have calculated the bulk modulus, Youngs modulus, shear modulus and Poisson's ratio. Initially there is a strong increase in the intensity of the shear phonons which levels off at
p > 100 MPa. At this pressure a dispersion-like step in the shear modulus as well as a decrease in the bulk modulus is found, which is tentatively discussed as a ‘weak glass transition’ within the glass. |
| doi_str_mv | 10.1016/0032-3861(95)99424-S |
| format | Article |
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p) 0 up to 500 MPa, and the longitudinal and transverse sound velocities up to 300 MPa. We have calculated the bulk modulus, Youngs modulus, shear modulus and Poisson's ratio. Initially there is a strong increase in the intensity of the shear phonons which levels off at
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p) 0 up to 500 MPa, and the longitudinal and transverse sound velocities up to 300 MPa. We have calculated the bulk modulus, Youngs modulus, shear modulus and Poisson's ratio. Initially there is a strong increase in the intensity of the shear phonons which levels off at
p > 100 MPa. At this pressure a dispersion-like step in the shear modulus as well as a decrease in the bulk modulus is found, which is tentatively discussed as a ‘weak glass transition’ within the glass.</description><subject>Applied sciences</subject><subject>elastic constants</subject><subject>Exact sciences and technology</subject><subject>high pressure</subject><subject>Mechanical properties</subject><subject>Organic polymers</subject><subject>Physicochemistry of polymers</subject><subject>poly(methyl methacrylate)</subject><subject>Properties and characterization</subject><issn>0032-3861</issn><issn>1873-2291</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><recordid>eNp9kEtLw0AQgBdRsFb_gYccROwhus8kexGk-CgUFKrnZTuZpZE0qbtbIf_epC09ehqY-eb1EXLN6D2jLHugVPBUFBm702qiteQyXZyQEStykXKu2SkZHZFzchHCN6WUKy5HZPbhMYStx6TEDTYlNoBJ65K4wgRrG2IFCbRNiLaJYShs2rq7W2NcdXUyBAu-q23EySU5c7YOeHWIY_L18vw5fUvn76-z6dM8BclUTLkrhNXKWrHEXJR9roAcc5DLQlJrHSspKO0KyFBzWfYUUKAyR6cFCsnEmNzu5258-7PFEM26CoB1bRtst8FwpZXiTPag3IPg2xA8OrPx1dr6zjBqBm9mkGIGKUYrs_NmFn3bzWG-DWBr520DVTj2iowLtjvjcY9h_-tvhd4EqAZ7ZeURoinb6v89fyzQghE</recordid><startdate>1995</startdate><enddate>1995</enddate><creator>Weishaupt, K.</creator><creator>Krbecek, H.</creator><creator>Pietralla, M.</creator><creator>Hochheimer, H.D.</creator><creator>Mayr, P.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>1995</creationdate><title>Pressure dependence of the elastic constants of poly(methyl methacrylate)</title><author>Weishaupt, K. ; Krbecek, H. ; Pietralla, M. ; Hochheimer, H.D. ; Mayr, P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c415t-2f83a95aa3be73d4158c7e7c4b840aaf1d0c59f8c6e924d3bec0c047ef93e3413</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1995</creationdate><topic>Applied sciences</topic><topic>elastic constants</topic><topic>Exact sciences and technology</topic><topic>high pressure</topic><topic>Mechanical properties</topic><topic>Organic polymers</topic><topic>Physicochemistry of polymers</topic><topic>poly(methyl methacrylate)</topic><topic>Properties and characterization</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Weishaupt, K.</creatorcontrib><creatorcontrib>Krbecek, H.</creatorcontrib><creatorcontrib>Pietralla, M.</creatorcontrib><creatorcontrib>Hochheimer, H.D.</creatorcontrib><creatorcontrib>Mayr, P.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Polymer (Guilford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Weishaupt, K.</au><au>Krbecek, H.</au><au>Pietralla, M.</au><au>Hochheimer, H.D.</au><au>Mayr, P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Pressure dependence of the elastic constants of poly(methyl methacrylate)</atitle><jtitle>Polymer (Guilford)</jtitle><date>1995</date><risdate>1995</risdate><volume>36</volume><issue>17</issue><spage>3267</spage><epage>3271</epage><pages>3267-3271</pages><issn>0032-3861</issn><eissn>1873-2291</eissn><coden>POLMAG</coden><abstract>We report measurements of the hydrostatic pressure dependence of the elastic constants of poly(methyl methacrylate) using high resolution Brillouin spectroscopy. We have measured the density ρ(
p) 0 up to 500 MPa, and the longitudinal and transverse sound velocities up to 300 MPa. We have calculated the bulk modulus, Youngs modulus, shear modulus and Poisson's ratio. Initially there is a strong increase in the intensity of the shear phonons which levels off at
p > 100 MPa. At this pressure a dispersion-like step in the shear modulus as well as a decrease in the bulk modulus is found, which is tentatively discussed as a ‘weak glass transition’ within the glass.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/0032-3861(95)99424-S</doi><tpages>5</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0032-3861 |
| ispartof | Polymer (Guilford), 1995, Vol.36 (17), p.3267-3271 |
| issn | 0032-3861 1873-2291 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_25955214 |
| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Applied sciences elastic constants Exact sciences and technology high pressure Mechanical properties Organic polymers Physicochemistry of polymers poly(methyl methacrylate) Properties and characterization |
| title | Pressure dependence of the elastic constants of poly(methyl methacrylate) |
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