BS ISO 17841:2015
$142.49
Fine ceramics (advanced ceramics, advanced technical ceramics). Test method for thermal fatigue of fine ceramics substrate
| Published By | Publication Date | Number of Pages |
| BSI | 2015 | 24 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | Foreword |
| 7 | 1 Scope 2 Normative references 3 Terms and definitions |
| 8 | 4 Testing machine and equipment 4.1 Thermal cycling testing equipment 4.2 Four-point bending strength testing equipment 4.3 Supports for four-point bending strength testing 4.4 Micrometre callipers 4.5 Vernier callipers 5 Test specimens 5.1 Test specimen form and dimensions 5.1.1 General 5.1.2 Fine ceramics plate thickness t and metal plate thickness tm |
| 9 | 5.2 Number of test specimens 6 Testing methods 6.1 Test specimen dimension measurements 6.2 Thermal fatigue (thermal cycling) testing methods |
| 10 | 6.2.1 Thermal fatigue (thermal cycling) conditions 6.2.2 Low-temperature tank inside TA and high-temperature tank inside TB 6.2.3 Number of cycles in thermal fatigue N 6.2.4 Each exposure time t1 to low temperature and high temperature 6.2.5 Transfer time t2 6.2.6 Temperature recovery time ts |
| 11 | 6.2.7 Single cycle 6.3 Testing methods of four-point bending strength 6.3.1 Distance between inner fulcrums (inner span) and distance between outer fulcrums (outer span) |
| 12 | 6.3.2 Crosshead speed and fracture load 6.3.3 Measurement of load-displacement 6.4 Four-point bending strength testing for virgin specimens not exposed to thermal cycling |
| 13 | 7 Calculation of test results 7.1 Calculation of four-point bending strength 7.2 Calculation of mean values and standard deviations 7.3 Residual strength ratio 7.3.1 Calculation of residual strength ratio |
| 14 | 7.3.2 Residual strength ratio – Thermal cycle number plots |
| 15 | 8 Test report 8.1 Items to be reported 8.2 Additional items to be reported |
| 16 | Annex A (informative) Calculation of stress intensity factor at fracture |
| 21 | Bibliography |
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ISO 17841:2015
Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for thermal fatigue of fine…
