{"id":308851,"date":"2024-10-19T21:12:07","date_gmt":"2024-10-19T21:12:07","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-199272018\/"},"modified":"2024-10-25T18:52:14","modified_gmt":"2024-10-25T18:52:14","slug":"bs-iso-199272018","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-199272018\/","title":{"rendered":"BS ISO 19927:2018"},"content":{"rendered":"<p>This document specifies a procedure for determining the interlaminar strength, and modulus, by double beam shear (DBS) tests of fibre-reinforced plastic composites.<\/p>\n<p>The method is suitable for use with glass or carbon fibre-reinforced plastic composites with thermoset matrices, providing an acceptable interlaminar failure is obtained.<\/p>\n<p>This document only applies to laminate with a symmetrical and balanced lay\u2010up as it avoids bending\/twisting or bending\/extension coupling deformations (see 6.2). The preferred lay-up is unidirectional, with fibres aligned along the specimen (axial) length.<\/p>\n<p>The suitability of the test for specific lay-ups, matrices and fibres (e.g. natural) are assessed by trial tests to ensure the correct delamination failures are obtained.<\/p>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>2<b><\/td>\n<td>National foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>3.5 Specimen coordinate axes  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>4 Principle  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>5 Apparatus <br \/> 5.1 Test machine <br \/> 5.1.1 General <br \/> 5.1.3 Indicator for load  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>5.4 Displacement measurement <br \/> 6 Test specimens <br \/> 6.1 Shape and dimensions <br \/> 6.1.1 Preferred specimen size  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>6.1.2 Alternative specimen size <br \/> 6.2 Preparation of specimens <br \/> 6.2.1 General <br \/> 6.2.2 Machining the test specimens <br \/> 6.3 Checking the test specimens <br \/> 7 Number of test specimens <br \/> 8 Conditioning <br \/> 9 Procedure <br \/> 9.1 Test conditions  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>9.2 Specimen dimensions <br \/> 9.3 Testing speed <br \/> 9.4 Data collection <br \/> 9.5 Failure mode acceptance <br \/> 9.6 Critical load <br \/> 9.7 Slope of load-displacement curve  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>10 Calculation and expression of results <br \/> 10.1 Interlaminar shear strength  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>10.2 Interlaminar shear modulus  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>11 Precision  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>12 Test report  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>Annex A (informative) Additional details relating to calculation of shear modulus, G13  <\/td>\n<\/tr>\n<tr>\n<td><b>25<b><\/td>\n<td>Annex B (informative) Interlaboratory study  <\/td>\n<\/tr>\n<tr>\n<td><b>29<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Fibre-reinforced plastic composites. Determination of interlaminar strength and modulus by double beam shear test<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2018<\/td>\n<td>30<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":308856,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-308851","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/308851","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\/308856"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=308851"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=308851"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=308851"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}