{"id":372870,"date":"2024-10-20T02:31:17","date_gmt":"2024-10-20T02:31:17","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-167932021\/"},"modified":"2024-10-26T04:24:49","modified_gmt":"2024-10-26T04:24:49","slug":"bs-en-iso-167932021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-167932021\/","title":{"rendered":"BS EN ISO 16793:2021"},"content":{"rendered":"<p>This document describes the ceramographic preparation of uranium dioxide (UO<sub>2<\/sub>) sintered pellets for qualitative and quantitative microstructure examinations.<\/p>\n<p>These examinations can be carried out before and after thermal or chemical etching.<\/p>\n<p>They enable<\/p>\n<ul>\n<li>\n<p>observations of fissures, inter- or intra-granular pores and inclusions, and<\/p>\n<\/li>\n<li>\n<p>measurement of pore and grain size and measurement of pore and grain size distributions.<\/p>\n<\/li>\n<\/ul>\n<p>The measurement of average grain size can be carried out using a classical counting method as described in ISO&nbsp;2624 or ASTM&nbsp;E112<sup>[<\/sup><sup>3<\/sup><sup>]<\/sup>, i.e. intercept procedure, comparison with standard grids or reference photographs.<\/p>\n<p>The measurement of pore-size distributions is usually carried out by an automatic image analyser. If the grain-size distributions are also measured with an image analyser, it is recommended that thermal etching be used to reveal the grain structure uniformly throughout the whole sample.<\/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>4<b><\/td>\n<td>European 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>1 Scope <br \/> 2 Normative references <br \/> 3 Terms and definitions <br \/> 4 Principle  <\/td>\n<\/tr>\n<tr>\n<td><b>8<b><\/td>\n<td>5 Procedures <br \/> 5.1 General <br \/> 5.2 Sample preparation without mounting <br \/> 5.3 Sample preparation with mounting, not needing subsequent dismounting <br \/> 5.4 Sample preparation with mounting, needing subsequent dismounting <br \/> 6 Apparatus  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>7 Reagents and consumables  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>8 Methods <br \/> 8.1 Sectioning <br \/> 8.2 Mounting <br \/> 8.3 Grinding  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>8.4 Polishing <br \/> 8.5 Dismounting <br \/> 9 Etching <br \/> 9.1 Introduction <br \/> 9.2 Chemical etching <br \/> 9.3 Thermal etching  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Nuclear fuel technology. Guidelines for ceramographic preparation of UO2 sintered pellets for microstructure examination<\/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>2021<\/td>\n<td>16<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":372878,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[464,2641],"product_tag":[],"class_list":{"0":"post-372870","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-27-120-30","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\/372870","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\/372878"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=372870"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=372870"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=372870"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}