{"id":318642,"date":"2024-10-19T22:00:42","date_gmt":"2024-10-19T22:00:42","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-21819-12018\/"},"modified":"2024-10-25T20:18:37","modified_gmt":"2024-10-25T20:18:37","slug":"bs-iso-21819-12018","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-21819-12018\/","title":{"rendered":"BS ISO 21819-1:2018"},"content":{"rendered":"

This document specifies a method of measuring piezoelectric properties of piezoelectric fine ceramics and other piezoelectric devices under high-temperature conditions, where the electromechanical coupling coefficient is determined based on measurements of resonance\/antiresonance frequencies using impedance analysers.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nNational foreword <\/td>\n<\/tr>\n
6<\/td>\nForeword <\/td>\n<\/tr>\n
7<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
8<\/td>\n4 Symbols
5 Principle
6 Specimens
7 Measurement equipment
7.1 General <\/td>\n<\/tr>\n
9<\/td>\n7.2 Impedance analyser
7.3 Thermostat chamber
7.4 Thermocouple
7.5 Recorder <\/td>\n<\/tr>\n
10<\/td>\n7.6 Test piece holder
8 Measurement conditions
9 Measurement procedure <\/td>\n<\/tr>\n
11<\/td>\n10 Calculation procedures of measured results
10.1 Calculation of measurement data
10.2 Rate of change of electromechanical coupling coefficient
11 Test report <\/td>\n<\/tr>\n
13<\/td>\nAnnex A (informative) Example of a data evaluation <\/td>\n<\/tr>\n
14<\/td>\nBibliography <\/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 – Resonant-antiresonant method under high-temperature conditions<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2018<\/td>\n16<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":318648,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1164,2641],"product_tag":[],"class_list":{"0":"post-318642","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-81-060-30","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/318642","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/318648"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=318642"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=318642"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=318642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}