"Brno, Czech Republic" . "Micro-crack, mechanical stress, electromagnetic emission, acoustic emission"@en . "Koktav\u00FD, Bohumil" . . . . "TEORETICK\u00DD ROZBOR VZNIKU MIKROTRHLIN P\u0158I MECHANICK\u00C9M ZAT\u011A\u017DOV\u00C1N\u00CD STAVEBN\u00CDCH L\u00C1TEK"@cs . . "2006-11-29+01:00"^^ . "Theoretical Analysis of Mechanical Load Induced Micro-crack Generation in Concruction Materials"@en . "187-192" . "TEORETICK\u00DD ROZBOR VZNIKU MIKROTRHLIN P\u0158I MECHANICK\u00C9M ZAT\u011A\u017DOV\u00C1N\u00CD STAVEBN\u00CDCH L\u00C1TEK" . "P(GA103/06/0708), P(GD103/05/H044)" . . . "6"^^ . "Vysok\u00E9 u\u010Den\u00ED technick\u00E9 v Brn\u011B" . "If a solid is loaded by a kind of mechanical stress (compression, tensile stress, bending, mechanical shocks, shearing, notching, material fibre breakage etc.), cracks are generated in it which in turn results in a non-uniform distribution of the electric charge over the crack walls, which are getting charged by opposite sign charges. In consequence of the charge oscillatory motion corresponding to the acoustic emission (AE) taking place simultaneously with the crack generation, a time-varying electric dipole is formed. In this way, the cracks make up the source of an electromagnetic field, which can be detected in both the material neighbourhood and, in some cases, a remote region."@en . "TEORETICK\u00DD ROZBOR VZNIKU MIKROTRHLIN P\u0158I MECHANICK\u00C9M ZAT\u011A\u017DOV\u00C1N\u00CD STAVEBN\u00CDCH L\u00C1TEK"@cs . . . "Theoretical Analysis of Mechanical Load Induced Micro-crack Generation in Concruction Materials"@en . "[7FA5B84BD98A]" . . . "26110" . "\u0160tefkov\u00E1, Mark\u00E9ta" . . . . "RIV/00216305:26110/06:PU63476" . "2"^^ . "503372" . "P\u0159i mechanick\u00E9m p\u016Fsoben\u00ED na l\u00E1tku (tlakem, tahem, ohybem, \u00FAderem, smykem, vytvo\u0159en\u00EDm vryp\u016F, p\u0159eru\u0161en\u00EDm vl\u00E1ken materi\u00E1l\u016F atd.) doch\u00E1z\u00ED p\u0159i vzniku trhlin k nerovnom\u011Brn\u00E9mu rozd\u011Blen\u00ED elektrick\u00E9ho n\u00E1boje na st\u011Bn\u00E1ch trhlin, kter\u00E9 se nab\u00EDjej\u00ED opa\u010Dn\u00FDmi n\u00E1boji. V d\u016Fsledku jejich kmitav\u00E9ho pohybu odpov\u00EDdaj\u00EDc\u00EDho akustick\u00E9 emisi (AE) generovan\u00E9 sou\u010Dasn\u011B p\u0159i tvorb\u011B trhlin se vytv\u00E1\u0159\u00ED v \u010Dase prom\u011Bnn\u00FD elektrick\u00FD dip\u00F3l). Trhliny se st\u00E1vaj\u00ED zdrojem elektromagnetick\u00E9ho pole, kter\u00E9 m\u016F\u017Eeme indikovat jak v bl\u00EDzk\u00E9m okol\u00ED l\u00E1tky, tak v n\u011Bkter\u00FDch p\u0159\u00EDpadech i ve vzd\u00E1len\u00E9 oblasti. Tento jev, kter\u00FD byl poprv\u00E9 pozorov\u00E1n v roce 1933 je ozna\u010Dov\u00E1n jako elektromagnetick\u00E1 emise (EME)." . "Brno" . . "80-7204-487-7" . . . . "RIV/00216305:26110/06:PU63476!RIV07-GA0-26110___" . . "TEORETICK\u00DD ROZBOR VZNIKU MIKROTRHLIN P\u0158I MECHANICK\u00C9M ZAT\u011A\u017DOV\u00C1N\u00CD STAVEBN\u00CDCH L\u00C1TEK" . "Workshop NDT 2006" . "2"^^ . "P\u0159i mechanick\u00E9m p\u016Fsoben\u00ED na l\u00E1tku (tlakem, tahem, ohybem, \u00FAderem, smykem, vytvo\u0159en\u00EDm vryp\u016F, p\u0159eru\u0161en\u00EDm vl\u00E1ken materi\u00E1l\u016F atd.) doch\u00E1z\u00ED p\u0159i vzniku trhlin k nerovnom\u011Brn\u00E9mu rozd\u011Blen\u00ED elektrick\u00E9ho n\u00E1boje na st\u011Bn\u00E1ch trhlin, kter\u00E9 se nab\u00EDjej\u00ED opa\u010Dn\u00FDmi n\u00E1boji. V d\u016Fsledku jejich kmitav\u00E9ho pohybu odpov\u00EDdaj\u00EDc\u00EDho akustick\u00E9 emisi (AE) generovan\u00E9 sou\u010Dasn\u011B p\u0159i tvorb\u011B trhlin se vytv\u00E1\u0159\u00ED v \u010Dase prom\u011Bnn\u00FD elektrick\u00FD dip\u00F3l). Trhliny se st\u00E1vaj\u00ED zdrojem elektromagnetick\u00E9ho pole, kter\u00E9 m\u016F\u017Eeme indikovat jak v bl\u00EDzk\u00E9m okol\u00ED l\u00E1tky, tak v n\u011Bkter\u00FDch p\u0159\u00EDpadech i ve vzd\u00E1len\u00E9 oblasti. Tento jev, kter\u00FD byl poprv\u00E9 pozorov\u00E1n v roce 1933 je ozna\u010Dov\u00E1n jako elektromagnetick\u00E1 emise (EME)."@cs . .