{"id":293744,"date":"2024-10-19T19:57:45","date_gmt":"2024-10-19T19:57:45","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-4545-32017\/"},"modified":"2024-10-25T17:09:35","modified_gmt":"2024-10-25T17:09:35","slug":"bs-en-iso-4545-32017","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-4545-32017\/","title":{"rendered":"BS EN ISO 4545-3:2017"},"content":{"rendered":"

This document specifies the method for the calibration of reference blocks to be used for the indirect verification of Knoop hardness testing machines as specified in ISO 4545\u20112.<\/p>\n

The method is applicable only for indentations with long diagonals \u22650,020 mm.<\/p>\n

PDF Catalog<\/h4>\n\n\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
4<\/td>\nEuropean foreword <\/td>\n<\/tr>\n
6<\/td>\nForeword <\/td>\n<\/tr>\n
7<\/td>\n1 Scope
2 Normative references
3 Terms and definitions
4 Manufacture of the reference block
4.1 General
4.2 Thickness
4.3 Test surface area <\/td>\n<\/tr>\n
8<\/td>\n4.4 Magnetism
4.5 Flatness and parallelism
4.6 Surface roughness
4.7 Prevention of the regrind of the test surface
5 Calibration machine
5.1 General
5.2 Direct verification
5.3 Traceability of verification instruments <\/td>\n<\/tr>\n
9<\/td>\n5.4 Test force
5.5 Indenter
5.6 Diagonal measurement system
6 Calibration procedure <\/td>\n<\/tr>\n
10<\/td>\n7 Number of indentations
8 Uniformity of hardness
8.1 Relative non-uniformity
8.2 Uncertainty of measurement
9 Marking <\/td>\n<\/tr>\n
11<\/td>\n10 Calibration certificate
11 Validity <\/td>\n<\/tr>\n
12<\/td>\nAnnex A (informative) Adjustment of K\u00f6hler illumination systems <\/td>\n<\/tr>\n
13<\/td>\nAnnex B (informative) Uncertainty of mean hardness value of hardness-reference blocks <\/td>\n<\/tr>\n
18<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Metallic materials. Knoop hardness test – Calibration of reference blocks<\/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>\n20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":293750,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1088,2641],"product_tag":[],"class_list":{"0":"post-293744","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-77-040-10","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\/293744","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\/293750"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=293744"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=293744"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=293744"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}