Method and apparatus for studying high-temperature properties of conductive materials in the interests of nuclear power engineering
Physical processes during a rapid (microsecond) heating of metals, carbon, and their compounds by a single pulse of electric current are discussed. Effects arising in such short-term heating near the melting point are noted: the electron emission and heat capacity anomalies and the possible occurren...
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| Veröffentlicht in: | Physics of atomic nuclei 2016-12, Vol.79 (14), p.1637-1655 |
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| container_title | Physics of atomic nuclei |
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| creator | Savvatimskiy, A. I. Onufriev, S. V. |
| description | Physical processes during a rapid (microsecond) heating of metals, carbon, and their compounds by a single pulse of electric current are discussed. Effects arising in such short-term heating near the melting point are noted: the electron emission and heat capacity anomalies and the possible occurrence of Frenkel pair (interstitial atom and vacancy). The problem of measuring the temperature using optical methods under pulse heating is considered, including the use of a specimen in the form of a blackbody model. The melting temperature of carbon (4800–4900 K) is measured at increased pulse pressure. The results of studying the properties of metals (by example of zirconium and hafnium) and of zirconium carbide at high temperatures are discussed. The schematics of the pulse setups and the instrumentation, as well as specimens for a pulse experiment, are presented. |
| doi_str_mv | 10.1134/S1063778816140131 |
| format | Article |
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I.</creatorcontrib><creatorcontrib>Onufriev, S. V.</creatorcontrib><title>Method and apparatus for studying high-temperature properties of conductive materials in the interests of nuclear power engineering</title><title>Physics of atomic nuclei</title><addtitle>Phys. Atom. Nuclei</addtitle><description>Physical processes during a rapid (microsecond) heating of metals, carbon, and their compounds by a single pulse of electric current are discussed. Effects arising in such short-term heating near the melting point are noted: the electron emission and heat capacity anomalies and the possible occurrence of Frenkel pair (interstitial atom and vacancy). The problem of measuring the temperature using optical methods under pulse heating is considered, including the use of a specimen in the form of a blackbody model. The melting temperature of carbon (4800–4900 K) is measured at increased pulse pressure. The results of studying the properties of metals (by example of zirconium and hafnium) and of zirconium carbide at high temperatures are discussed. The schematics of the pulse setups and the instrumentation, as well as specimens for a pulse experiment, are presented.</description><subject>Analysis</subject><subject>Anomalies</subject><subject>ATOMIC AND MOLECULAR PHYSICS</subject><subject>Blackbody</subject><subject>CARBON</subject><subject>ELECTRIC CURRENTS</subject><subject>Electromagnetic radiation</subject><subject>ELECTRON EMISSION</subject><subject>ELECTRONS</subject><subject>FRENKEL DEFECTS</subject><subject>HAFNIUM</subject><subject>HEATING</subject><subject>High temperature</subject><subject>INTERSTITIALS</subject><subject>MATERIALS SCIENCE</subject><subject>Melt temperature</subject><subject>MELTING POINTS</subject><subject>Methods</subject><subject>Nuclear energy</subject><subject>NUCLEAR ENGINEERING</subject><subject>Optics</subject><subject>Particle and Nuclear Physics</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Pulse heating</subject><subject>Solids Under Extreme Conditions</subject><subject>SPECIFIC HEAT</subject><subject>TEMPERATURE RANGE 0400-1000 K</subject><subject>ZIRCONIUM</subject><subject>Zirconium carbide</subject><subject>ZIRCONIUM CARBIDES</subject><issn>1063-7788</issn><issn>1562-692X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp1kU2LFDEQhhtRcF39Ad4Cnjz0mkq6O-njsvixsCK4Ct5CJqnuyTKTtEl6dc_-cWscQReREKqoet7iTappngM_A5Ddq2vgg1RKaxig4yDhQXMC_SDaYRRfHlJO7fbQf9w8KeWGcwDd85Pmx3us2-SZjXSXxWZb18KmlFmpq78LcWbbMG_bivsFD82MbMmJ8hqwsDQxl6JfXQ23yPa2Yg52V1iIrG6RAhWw1F9gXN0ObWZL-oaZYZxDRMLj_LR5NJEIn_2Op83nN68_Xbxrrz68vbw4v2pdB6q2PcJoN-jtJJX1XI7aS48W1CB6paTAzcRRaz8MWm4m77kSUm3UgB0K7UaUp82L49xUajDFhYpuS_YjumqEGED0MP6h6JlfVzJvbtKaIxkzoDVXXad7RdTZkZrtDk2IU6rZOjoe94Fm4hSoft6NY8cVCE6Cl_cExFT8Xme7lmIurz_eZ-HIupxKyTiZJYe9zXcGuDms2_yzbtKIo6Yshz_F_Jft_4p-AvBfrag</recordid><startdate>20161201</startdate><enddate>20161201</enddate><creator>Savvatimskiy, A. 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V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c417t-5e19abedaf37ad0398d3dea176257732ebf0e88d6683bfdd07237b76e4e28c9e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Analysis</topic><topic>Anomalies</topic><topic>ATOMIC AND MOLECULAR PHYSICS</topic><topic>Blackbody</topic><topic>CARBON</topic><topic>ELECTRIC CURRENTS</topic><topic>Electromagnetic radiation</topic><topic>ELECTRON EMISSION</topic><topic>ELECTRONS</topic><topic>FRENKEL DEFECTS</topic><topic>HAFNIUM</topic><topic>HEATING</topic><topic>High temperature</topic><topic>INTERSTITIALS</topic><topic>MATERIALS SCIENCE</topic><topic>Melt temperature</topic><topic>MELTING POINTS</topic><topic>Methods</topic><topic>Nuclear energy</topic><topic>NUCLEAR ENGINEERING</topic><topic>Optics</topic><topic>Particle and Nuclear Physics</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Pulse heating</topic><topic>Solids Under Extreme Conditions</topic><topic>SPECIFIC HEAT</topic><topic>TEMPERATURE RANGE 0400-1000 K</topic><topic>ZIRCONIUM</topic><topic>Zirconium carbide</topic><topic>ZIRCONIUM CARBIDES</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Savvatimskiy, A. I.</creatorcontrib><creatorcontrib>Onufriev, S. V.</creatorcontrib><collection>CrossRef</collection><collection>Gale In Context: Science</collection><collection>OSTI.GOV</collection><jtitle>Physics of atomic nuclei</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Savvatimskiy, A. I.</au><au>Onufriev, S. V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Method and apparatus for studying high-temperature properties of conductive materials in the interests of nuclear power engineering</atitle><jtitle>Physics of atomic nuclei</jtitle><stitle>Phys. Atom. Nuclei</stitle><date>2016-12-01</date><risdate>2016</risdate><volume>79</volume><issue>14</issue><spage>1637</spage><epage>1655</epage><pages>1637-1655</pages><issn>1063-7788</issn><eissn>1562-692X</eissn><abstract>Physical processes during a rapid (microsecond) heating of metals, carbon, and their compounds by a single pulse of electric current are discussed. Effects arising in such short-term heating near the melting point are noted: the electron emission and heat capacity anomalies and the possible occurrence of Frenkel pair (interstitial atom and vacancy). The problem of measuring the temperature using optical methods under pulse heating is considered, including the use of a specimen in the form of a blackbody model. The melting temperature of carbon (4800–4900 K) is measured at increased pulse pressure. The results of studying the properties of metals (by example of zirconium and hafnium) and of zirconium carbide at high temperatures are discussed. The schematics of the pulse setups and the instrumentation, as well as specimens for a pulse experiment, are presented.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S1063778816140131</doi><tpages>19</tpages></addata></record> |
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| subjects | Analysis Anomalies ATOMIC AND MOLECULAR PHYSICS Blackbody CARBON ELECTRIC CURRENTS Electromagnetic radiation ELECTRON EMISSION ELECTRONS FRENKEL DEFECTS HAFNIUM HEATING High temperature INTERSTITIALS MATERIALS SCIENCE Melt temperature MELTING POINTS Methods Nuclear energy NUCLEAR ENGINEERING Optics Particle and Nuclear Physics Physics Physics and Astronomy Pulse heating Solids Under Extreme Conditions SPECIFIC HEAT TEMPERATURE RANGE 0400-1000 K ZIRCONIUM Zirconium carbide ZIRCONIUM CARBIDES |
| title | Method and apparatus for studying high-temperature properties of conductive materials in the interests of nuclear power engineering |
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