{"id":361790,"date":"2024-10-20T01:37:38","date_gmt":"2024-10-20T01:37:38","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-228382020\/"},"modified":"2024-10-26T02:32:00","modified_gmt":"2024-10-26T02:32:00","slug":"bs-iso-228382020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-228382020\/","title":{"rendered":"BS ISO 22838:2020"},"content":{"rendered":"<p>This document specifies the test method for the determination of adhesive fracture energy of adhesively bonded plates of carbon fibre reinforced plastic (CFRP) and metal using a double cantilever beam (DCB) specimen. The test method is also applicable to bonded joints between metals and other composite materials, such as glass fibre reinforced plastics.<\/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, definitions and symbols <br \/> 3.1 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>3.2 Symbols  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>4 Principle <br \/> 5 Apparatus  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>6 Specimens <br \/> 6.1 Number of specimens <br \/> 6.2 Conditioning <br \/> 6.3 Manufacture of adhesive joint specimens <br \/> 6.3.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>6.3.2 DCB specimen measurements <br \/> 6.4 Preparation of specimens  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>7 Procedure <br \/> 7.1 Test set-up and data recording <br \/> 7.2 Initial loading (precracking stage) <br \/> 7.3 Re-loading: Testing from the precrack  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>7.4 Determination of the thickness ratio of the CFRP and metal beams <br \/> 7.4.1 Theoretical prediction of thickness ratios <br \/> 7.4.2 Procedure to detect the occurrence of plastic deformation during a DCB adhesive joint test  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>7.5 Measurement of machine compliance <br \/> 7.6 Measurement of curvature induced by coefficient of thermal expansion difference between metal and composite beams  <\/td>\n<\/tr>\n<tr>\n<td><b>20<b><\/td>\n<td>8 Data analysis <br \/> 8.1 Determination of the raw data from the load-displacement trace <br \/> 8.1.1 General <br \/> 8.1.2 Initiation values  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>8.1.3 Propagation values <br \/> 8.2 Determination of adhesive fracture energy <br \/> 8.2.1 General <br \/> 8.2.2 DCB test with identical thickness: Corrected beam theory (CBT)  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>8.2.3 DCB test with dissimilar thicknesses: modified beam theory for DCB specimens with dissimilar thicknesses  <\/td>\n<\/tr>\n<tr>\n<td><b>23<b><\/td>\n<td>8.2.4 DCB test with identical and dissimilar thicknesses: Area method <br \/> 9 Precision  <\/td>\n<\/tr>\n<tr>\n<td><b>24<b><\/td>\n<td>10 Test report  <\/td>\n<\/tr>\n<tr>\n<td><b>26<b><\/td>\n<td>Annex A (informative) Work flow chart as brief guideline  <\/td>\n<\/tr>\n<tr>\n<td><b>27<b><\/td>\n<td>Annex B (informative) Formula for calculating G value using (EI)eq or E1I1 E2I2  <\/td>\n<\/tr>\n<tr>\n<td><b>28<b><\/td>\n<td>Annex C (normative) Measurement of test system compliance  <\/td>\n<\/tr>\n<tr>\n<td><b>30<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Composites and reinforcements fibres. Determination of the fracture energy of bonded plates of carbon fibre reinforced plastics (CFRPs) and metal using double cantilever beam specimens<\/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>2020<\/td>\n<td>32<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":361796,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-361790","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\/361790","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\/361796"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=361790"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=361790"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=361790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}