{"id":728,"date":"2019-01-14T23:41:34","date_gmt":"2019-01-14T23:41:34","guid":{"rendered":"http:\/\/johnbrear-plantintegrity.com\/?page_id=728"},"modified":"2019-01-17T01:03:14","modified_gmt":"2019-01-17T01:03:14","slug":"life-extension-by-re-engineering","status":"publish","type":"page","link":"https:\/\/johnbrear-plantintegrity.com\/?page_id=728","title":{"rendered":"Life extension by re-engineering"},"content":{"rendered":"<figure id=\"attachment_729\" aria-describedby=\"caption-attachment-729\" style=\"width: 400px\" class=\"wp-caption alignright\"><img fetchpriority=\"high\" decoding=\"async\" src=\"http:\/\/johnbrear-plantintegrity.com\/wp-content\/uploads\/2019\/01\/GE-45-5MW.jpg\" alt=\"\" width=\"400\" height=\"280\" class=\"size-full wp-image-729\" \/><figcaption id=\"caption-attachment-729\" class=\"wp-caption-text\">Industrial steam turbine<\/figcaption><\/figure>\r\n<p><strong>Plant:<\/strong><\/p>\r\n<ul>\r\n    <li>8 x 5MW HP-IP turbines at a UK refinery, with 180,000 hours service<\/li>\r\n<\/ul>\r\n<p><strong>Objective:<\/strong><\/p>\r\n<ul>\r\n    <li>Rotor life assessment, prior to re-blading for 140,000 hours further operation<\/li>\r\n<\/ul>\r\n<p><strong>Approach: <\/strong><\/p>\r\n<ul>\r\n    <li>Sampling the cold ends of the three oldest rotors for chemical analysis and post-exposure creep testing to 5000h<\/li>\r\n    <li>Stress analysis and creep life assessment<\/li>\r\n<\/ul>\r\n<p><strong>Benefits:<\/strong><\/p>\r\n<ul>\r\n    <li>Identified materials that were inferior to design specification<\/li>\r\n    <li>Established the actual as-built creep properties<\/li>\r\n    <li>Successful underwriting of 140,000h further operation<\/li>\r\n<\/ul>\r\n","protected":false},"excerpt":{"rendered":"<p>Plant: 8 x 5MW HP-IP turbines at a UK refinery, with 180,000 hours service Objective: Rotor life assessment, prior to re-blading for 140,000 hours further operation Approach: Sampling the cold ends of the three oldest rotors for chemical analysis and post-exposure creep testing to 5000h Stress analysis and creep life assessment Benefits: Identified materials that &hellip; <a href=\"https:\/\/johnbrear-plantintegrity.com\/?page_id=728\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Life extension by re-engineering<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":169,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-728","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/728","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=728"}],"version-history":[{"count":3,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/728\/revisions"}],"predecessor-version":[{"id":731,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/728\/revisions\/731"}],"up":[{"embeddable":true,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/169"}],"wp:attachment":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}