{"id":233621,"date":"2024-10-19T15:13:56","date_gmt":"2024-10-19T15:13:56","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iec-61747-40-22015\/"},"modified":"2024-10-25T09:44:10","modified_gmt":"2024-10-25T09:44:10","slug":"bs-iec-61747-40-22015","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iec-61747-40-22015\/","title":{"rendered":"BS IEC 61747-40-2:2015"},"content":{"rendered":"

IEC 61747-40-2:2015(E) is a mechanical performance testing procedure for cover glass used in electronic flat panel displays in mobile devices. This standard is focused on the measurement of as-received edge strength via uni-axial flexure generated by a four-point bend.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
4<\/td>\nCONTENTS <\/td>\n<\/tr>\n
5<\/td>\nFOREWORD <\/td>\n<\/tr>\n
7<\/td>\nINTRODUCTION <\/td>\n<\/tr>\n
8<\/td>\n1 Scope
2 Normative references
3 Terms, definitions and abbreviations
3.1 Terms and definitions <\/td>\n<\/tr>\n
9<\/td>\n3.2 Abbreviations
4 General
5 Apparatus
5.1 Testing environment and pre-conditioning
5.2 Testing frame <\/td>\n<\/tr>\n
11<\/td>\n5.3 Test fixture and setup
Figures
Figure 1 \u2013 Testing frame <\/td>\n<\/tr>\n
12<\/td>\nFigure 2 \u2013 Support assembly (side view)
Figure 3 \u2013 Support assembly (top view) <\/td>\n<\/tr>\n
13<\/td>\nFigure 4 \u2013 Load assembly (side view)
Figure 5 \u2013 Load assembly (bottom view) <\/td>\n<\/tr>\n
14<\/td>\n5.4 Test fixture dimensions <\/td>\n<\/tr>\n
15<\/td>\n5.5 Loading rate
6 Procedure
6.1 Safety
6.1.1 Hazard \u2013 Broken glass
6.1.2 Crush hazard \u2013 Only one person may operate the testing frame
6.1.3 Crush hazard \u2013 Take care when installing or removing a specimen
Figure 6 \u2013 Example load traces for appropriate and inappropriate span settings <\/td>\n<\/tr>\n
16<\/td>\n6.1.4 Hazard \u2013 Press the emergency stop button when an unsafe condition is observed
6.1.5 Flying debris hazard \u2013 Ensure that specimens are installed correctly
6.1.6 Hazard \u2013 Protect control cables from damage or disconnection
6.2 Sample
6.3 Individual specimen <\/td>\n<\/tr>\n
17<\/td>\nFigure 7 \u2013 Edge fracture originating from between the load bars <\/td>\n<\/tr>\n
18<\/td>\n6.4 Complete the report
Figure 8 \u2013 Edge fracture originating from underneath the load bar
Figure 9 \u2013 Surface fracture originating from between the load bars <\/td>\n<\/tr>\n
19<\/td>\n7 Calculations
7.1 Strength calculations
7.2 Statistical calculations <\/td>\n<\/tr>\n
20<\/td>\n8 Reporting
8.1 Information to be reported for each test
Figure 10 \u2013 Example Weibull plot <\/td>\n<\/tr>\n
21<\/td>\n8.2 Information to be made available upon request
9 Specifications <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Liquid crystal display devices – Mechanical testing of display cover glass for mobile devices. Uniaxial flexural strength (4-point bend)<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2015<\/td>\n24<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":233623,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-233621","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\/233621","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\/233623"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=233621"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=233621"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=233621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}