{"id":557,"date":"2026-02-17T14:11:58","date_gmt":"2026-02-17T13:11:58","guid":{"rendered":"https:\/\/relaunch.k-labor.wp4.visual4.com\/?page_id=557"},"modified":"2026-02-26T16:58:36","modified_gmt":"2026-02-26T15:58:36","slug":"metallography","status":"publish","type":"page","link":"https:\/\/dekra.k-labor.de\/en\/metallography\/","title":{"rendered":"Metallography."},"content":{"rendered":"\n<p>Metallography is a metal science discipline. The purpose is the qualitative and quantitative description of the structure of metallic materials with the help of microscopic methods. Due to the increasing number of composite materials and the emergence of new, further developed materials, the term \u201cmaterialography\u201d has also established itself, as it covers the entire spectrum of materials.<\/p>\n\n\n\n<p>In-depth knowledge of materials science and their properties, or more specifially the processing of metals, is essential for our material testers and metallographers, in order to avoid errors in the preparation of the samples and the subsequent structural assessment.<\/p>\n\n\n\n<p>We examine and evaluate a wide variety of metallic materials in order to solve material science tasks in the areas of development, quality assurance or damage analysis.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Our services at a glance:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/dekra.k-labor.de\/en\/oes-optical-emission-spectroscopy\/\" data-type=\"page\" data-id=\"564\">Optical emission spectroscopy (OES analysis)<\/a><br>Spectral analysis to determine the chemical composition<\/li>\n\n\n\n<li>Structural examination in microsection<br>\u2013 Heat treatment condition<br>\u2013 Grain size determination<br>\u2013 Determination of porosity according to VW 50093, VW 6093<br>\u2013 Primary silicon crystal evaluation<br>\u2013 Edge decarburization<\/li>\n\n\n\n<li>Fracture analysis \/ crack investigation (forced fracture, fatigue fracture, brittle fracture, hydrogen embrittlement)<\/li>\n\n\n\n<li>Weld seam examination in the cut<\/li>\n\n\n\n<li><a href=\"https:\/\/k-labor.de\/edx-analysis-with-sem\/\">EDX analysis with SEM examination<\/a><\/li>\n\n\n\n<li>SEM line scan and mapping<\/li>\n\n\n\n<li>Microphotographic determination of the detectable grain size of steel according to DIN EN ISO 643<\/li>\n\n\n\n<li>Microstructure of cast iron according to DIN EN ISO 945-1<\/li>\n\n\n\n<li>Electron and laser beam welded joints according to DIN EN ISO 13919 \u2013 Part 1: Steel, nickel, titanium and their alloys<\/li>\n\n\n\n<li>Fusion welded joints on steel, nickel, titanium and their alloys according to DIN EN ISO 5817<\/li>\n\n\n\n<li>Arc welded joints on aluminum and its alloys \u2013 Evaluation groups of irregularities according to DIN EN ISO 10042<\/li>\n\n\n\n<li>Standard specifications of nickel-cobalt steels according to ASTM F15 \u2013 04<\/li>\n\n\n\n<li>Determination of grain size according to ASTM E112 \u2013 13<\/li>\n\n\n\n<li>Gears according to ISO 14104 \u2013 grinding burn test \u2013 chemical method<\/li>\n\n\n\n<li>Surgical implants according to DIN EN ISO 5832 \u2013 Metallic materials \u2013 Part 3: Wrought titanium 6-aluminum 4-vanadium alloy\u201d.<\/li>\n\n\n\n<li>X-ray graphic residual austenite analyses according to the 6-line method<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Sample preparation<\/h3>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a03956b6ee0c&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a03956b6ee0c\" class=\"wp-block-image is-resized wp-lightbox-container\"><img decoding=\"async\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/k-labor.de\/wp-content\/uploads\/2018\/03\/probenvorbereitung.jpg\" alt=\"\" style=\"width:880px;height:auto\" title=\"OLYMPUS DIGITAL CAMERA\"\/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a03956b6f1d5&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a03956b6f1d5\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"371\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"555\" src=\"https:\/\/dekra.k-labor.de\/wp-content\/uploads\/2026\/02\/schmiedegefuege.jpg\" alt=\"\" class=\"wp-image-555\" srcset=\"https:\/\/dekra.k-labor.de\/wp-content\/uploads\/2026\/02\/schmiedegefuege.jpg 500w, https:\/\/dekra.k-labor.de\/wp-content\/uploads\/2026\/02\/schmiedegefuege-360x267.jpg 360w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">Forged structure<\/figcaption><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a03956b6f4eb&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a03956b6f4eb\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"371\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"556\" src=\"https:\/\/dekra.k-labor.de\/wp-content\/uploads\/2026\/02\/guss-gefuege.jpg\" alt=\"\" class=\"wp-image-556\" srcset=\"https:\/\/dekra.k-labor.de\/wp-content\/uploads\/2026\/02\/guss-gefuege.jpg 500w, https:\/\/dekra.k-labor.de\/wp-content\/uploads\/2026\/02\/guss-gefuege-360x267.jpg 360w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">Cast structure<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Metallography is a metal science discipline. The purpose is the qualitative and quantitative description of the structure of metallic materials with the help of microscopic methods. Due to the increasing number of composite materials and the emergence of new, further developed materials, the term \u201cmaterialography\u201d has also established itself, as it covers the entire spectrum [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":902,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-557","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Metallography. - k-labor<\/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:\/\/dekra.k-labor.de\/metallographie\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Metallography. - k-labor\" \/>\n<meta property=\"og:description\" content=\"Metallography is a metal science discipline. The purpose is the qualitative and quantitative description of the structure of metallic materials with the help of microscopic methods. 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