{"id":318646,"date":"2024-10-19T22:00:43","date_gmt":"2024-10-19T22:00:43","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-21819-22018\/"},"modified":"2024-10-25T20:18:39","modified_gmt":"2024-10-25T20:18:39","slug":"bs-iso-21819-22018","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-21819-22018\/","title":{"rendered":"BS ISO 21819-2:2018"},"content":{"rendered":"
This document specifies a method of measuring piezoelectric properties of piezoelectric fine ceramics and other piezoelectric devices. It applies to electrical transient response methods for evaluating the piezoelectric properties of piezoelectric fine ceramics resonators under high vibration levels.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
2<\/td>\n | National foreword <\/td>\n<\/tr>\n | ||||||
6<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions 4 Symbols <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 5 Principle <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 6 Measurement equipment 6.1 General 6.2 Function generator 6.3 Power amplifier 6.4 Vibration velocity meter <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 6.5 Current probe 6.6 Digital storage oscilloscope 6.7 Test piece holder 6.8 Numerical analysis software (numerical analyser) 7 Specimens 7.1 Test piece form 7.2 Measurement of test piece density 7.3 Measurement of characteristics values <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 8 Measurement procedures 9 Analytical procedures <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 10 Calculation of characteristic values 10.1 Calculation procedures for characteristic values <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 10.2 How to obtain principal constants and round off characteristic values <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 11 Report of test results <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | Annex A (informative) Example of a data evaluation <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Fine ceramics (advanced ceramics, advanced technical ceramics). Characteristic of piezoelectric properties under high-load conditions – Electrical transient response method under high vibration levels<\/b><\/p>\n |