Monitoring the damage level during thermal stability testing of refractory sample using soninic measurement
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Thermal stability of the refractory material with the content of 28 % AI2O3 was investigated. Water quench test (JUS.B.D8.319.) was applied as experimental method for thermal stability testing. Dynamic Young modulus of elasticity was calculated using measured values of longitudinal (Vp) and transverzal (Vs) velocites. Values of dynamic Young modulus and changes of in compresive strength during testing were presented as function of the measured number of quench experiments. Changes in resistance parameters caused by thermal shock was presented, also. Analysis of the thermal shock behavior of the samples based on the obtained results was given.
Keywords:refractories / sonic measurement / dynamic Young modulus / resistance parameters / thermal stability
Source:Metalurgija, 2002, 8, 3, 207-214
- Savez inženjera metalurgije Srbije, Beograd