{"id":1441,"date":"2019-08-08T09:44:11","date_gmt":"2019-08-08T07:44:11","guid":{"rendered":"https:\/\/staging.tiat.nl\/?page_id=1441"},"modified":"2019-08-26T14:34:19","modified_gmt":"2019-08-26T12:34:19","slug":"visueel-onderzoek-2","status":"publish","type":"page","link":"https:\/\/tiat.nl\/en\/inspections\/aerospace-inspections\/visueel-onderzoek-2\/","title":{"rendered":"Visual Testing"},"content":{"rendered":"<p>Visual testing (VT) is an NDO method in which the researcher, with or without the use of tools\/borescope, performs a test by looking at the part. Visual tests can be used to find visible abnormalities, such as surface defects, dimensional abnormalities, internal abnormalities (borescope) and\/or corrosion.<\/p>\n<p>Before starting the test, the surface must be cleaned: grease, dirt and paint should be removed.<\/p>\n<div class='content-column one_third'><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-614\" src=\"http:\/\/tiat.nl\/wp-content\/uploads\/2018\/01\/Visueel_0027.jpg\" alt=\"\" width=\"1920\" height=\"1280\" srcset=\"https:\/\/tiat.nl\/wp-content\/uploads\/2018\/01\/Visueel_0027.jpg 1920w, https:\/\/tiat.nl\/wp-content\/uploads\/2018\/01\/Visueel_0027-300x200.jpg 300w, https:\/\/tiat.nl\/wp-content\/uploads\/2018\/01\/Visueel_0027-768x512.jpg 768w, https:\/\/tiat.nl\/wp-content\/uploads\/2018\/01\/Visueel_0027-1024x683.jpg 1024w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/p><\/div>\n<div class='content-column two_third last_column'><div style=\"padding-left:15px;\"><p>Visual testing can be done at various distances relative to the object. If we look at the object from a greater distance, we call this a general impression (review) and this gives a different result from a detailed study at a distance of less than 60 cm.<\/p><\/div><\/div><div class='clear_column'><\/div>\n<p>In addition, there is the possibility to perform internal testing with a borescope.<\/p>\n<p>For the visual assessment of constructions, components, components and welding connections, various tools can be used, such as measuring tools, loops, welding valves and\/or additional lighting.<\/p>\n<div class='content-column two_third'><div style=\"padding-right:15px;\"><p>If the inspector has detailed knowledge of the object, knows the manufacturing process and\/or is familiar with the conditions of use, this will have a positive effect on the visual test.<\/p>\n<p>Surface testing of objects made of all possible materials.<\/p><\/div><\/div>\n<div class='content-column one_third last_column'><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-613\" src=\"http:\/\/tiat.nl\/wp-content\/uploads\/2018\/01\/DSC00385.jpg\" alt=\"\" width=\"640\" height=\"480\" srcset=\"https:\/\/tiat.nl\/wp-content\/uploads\/2018\/01\/DSC00385.jpg 640w, https:\/\/tiat.nl\/wp-content\/uploads\/2018\/01\/DSC00385-300x225.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p><\/div><div class='clear_column'><\/div>\n<p>When visually testing objects, we mainly search for the following deviations:<\/p>\n<ul>\n<li>General corrosion and well corrosion (pitting)<\/li>\n<li>Engine inspection<\/li>\n<li>Geometry and\/or dimensions of object<\/li>\n<\/ul>\n<p><strong>Scope:<\/strong><\/p>\n<p>Testing has a large application area, but is often applied to the following products:<\/p>\n<ul>\n<li>Semi-finished products, such as staff and plate material, profiles and tubes;<\/li>\n<li>Casting or forgings, such as pump housings, gears and bolts;<\/li>\n<li>Checking pipes and tubes for corrosion;<\/li>\n<\/ul>\n<p>Highly strained aircraft components, such as turbine blades, by means of borescope testing;<\/p>\n<p>The inspectors are trained according to the <strong>EN4179<\/strong>.<\/p>\n<p>Tests may take place in accordance with all applicable standards and requirements of the principals and ASTM-E-1444.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Visual testing (VT) is an NDO method in which the researcher, with or without the use of tools\/borescope, performs a test by looking at the part. Visual tests can be used to find visible abnormalities, such as surface defects, dimensional abnormalities, internal abnormalities (borescope) and\/or corrosion. Before starting the test, the surface must be cleaned: [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1205,"parent":1076,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-single-inspection.php","meta":{"footnotes":""},"class_list":["post-1441","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Visual Testing - Tiat Europe B.V.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tiat.nl\/en\/inspections\/aerospace-inspections\/visueel-onderzoek-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Visual Testing - Tiat Europe B.V.\" \/>\n<meta property=\"og:description\" content=\"Visual testing (VT) is an NDO method in which the researcher, with or without the use of tools\/borescope, performs a test by looking at the part. Visual tests can be used to find visible abnormalities, such as surface defects, dimensional abnormalities, internal abnormalities (borescope) and\/or corrosion. Before starting the test, the surface must be cleaned: [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tiat.nl\/en\/inspections\/aerospace-inspections\/visueel-onderzoek-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Tiat Europe B.V.\" \/>\n<meta property=\"article:modified_time\" content=\"2019-08-26T12:34:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/tiat.nl\/wp-content\/uploads\/2017\/07\/tiat_visueel_onderzoek.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1280\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/tiat.nl\/en\/inspections\/aerospace-inspections\/visueel-onderzoek-2\/\",\"url\":\"https:\/\/tiat.nl\/en\/inspections\/aerospace-inspections\/visueel-onderzoek-2\/\",\"name\":\"Visual Testing - Tiat Europe B.V.\",\"isPartOf\":{\"@id\":\"https:\/\/tiat.nl\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/tiat.nl\/en\/inspections\/aerospace-inspections\/visueel-onderzoek-2\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/tiat.nl\/en\/inspections\/aerospace-inspections\/visueel-onderzoek-2\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/tiat.nl\/wp-content\/uploads\/2017\/07\/tiat_visueel_onderzoek.jpg\",\"datePublished\":\"2019-08-08T07:44:11+00:00\",\"dateModified\":\"2019-08-26T12:34:19+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/tiat.nl\/en\/inspections\/aerospace-inspections\/visueel-onderzoek-2\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/tiat.nl\/en\/inspections\/aerospace-inspections\/visueel-onderzoek-2\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/tiat.nl\/en\/inspections\/aerospace-inspections\/visueel-onderzoek-2\/#primaryimage\",\"url\":\"https:\/\/tiat.nl\/wp-content\/uploads\/2017\/07\/tiat_visueel_onderzoek.jpg\",\"contentUrl\":\"https:\/\/tiat.nl\/wp-content\/uploads\/2017\/07\/tiat_visueel_onderzoek.jpg\",\"width\":1920,\"height\":1280,\"caption\":\"Tiat - Visueel\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/tiat.nl\/en\/inspections\/aerospace-inspections\/visueel-onderzoek-2\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/tiat.nl\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Inspections\",\"item\":\"https:\/\/tiat.nl\/en\/inspections\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Aerospace Inspections\",\"item\":\"https:\/\/tiat.nl\/en\/inspections\/aerospace-inspections\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Visual Testing\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/tiat.nl\/#website\",\"url\":\"https:\/\/tiat.nl\/\",\"name\":\"Tiat Europe B.V.\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/tiat.nl\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Visual Testing - Tiat Europe B.V.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/tiat.nl\/en\/inspections\/aerospace-inspections\/visueel-onderzoek-2\/","og_locale":"en_US","og_type":"article","og_title":"Visual Testing - Tiat Europe B.V.","og_description":"Visual testing (VT) is an NDO method in which the researcher, with or without the use of tools\/borescope, performs a test by looking at the part. 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