{"id":37400,"date":"2025-04-15T13:07:58","date_gmt":"2025-04-15T13:07:58","guid":{"rendered":"https:\/\/aso-labor.de\/branchen\/coating-craters\/"},"modified":"2026-01-28T01:39:00","modified_gmt":"2026-01-28T01:39:00","slug":"coating-craters","status":"publish","type":"branchen","link":"https:\/\/aso-labor.de\/en\/industries\/coatings\/coating-craters\/","title":{"rendered":"Coating Craters"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"37400\" class=\"elementor elementor-37400 elementor-35084\" data-elementor-post-type=\"branchen\">\n\t\t\t\t<div class=\"elementor-element elementor-element-37c0843 e-flex e-con-boxed cmsmasters-block-default e-con e-parent\" data-id=\"37c0843\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-602b9a8 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"602b9a8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Coating Craters<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b36239c cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"b36239c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/04\/Benetzungsstoerung2-1024x683.png\" class=\"attachment-large size-large wp-image-37402\" alt=\"Benetzungsst\u00f6rung 2 - Lackfehler Analyse ASO\" srcset=\"https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/04\/Benetzungsstoerung2-1024x683.png 1024w, https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/04\/Benetzungsstoerung2-300x200.png 300w, https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/04\/Benetzungsstoerung2-768x512.png 768w, https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/04\/Benetzungsstoerung2-450x300.png 450w, https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/04\/Benetzungsstoerung2-30x20.png 30w, https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/04\/Benetzungsstoerung2-15x10.png 15w, https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/04\/Benetzungsstoerung2.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0c5c0b8 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"0c5c0b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Analysis of Coating Craters in Coating Systems<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-64cb629 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"64cb629\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><b>Coating craters<\/b><span style=\"font-weight: 400;\"> represent a local depression in the coating and are often a consequence of <\/span><b>wetting defects<\/b><span style=\"font-weight: 400;\">. The coating is pushed in the defective area  <\/span><span style=\"font-weight: 400;\">out<\/span><span style=\"font-weight: 400;\">wards, thereby reducing the coating thickness in the crater area. The effect can range from a slight reduction in coating thickness to a complete absence of coating, thus locally exposing the component surface.  <\/span><\/p><p><span style=\"font-weight: 400;\">If the cause of the coating crater is a particle in the crater&#8217;s center, similar analyses are used as for pinholes. Usually, the particles are already freely accessible from the surface. Their elemental composition is then analyzed using    <\/span><b>Scanning Electron Microscopy (SEM-EDX)<\/b><span style=\"font-weight: 400;\"> for a more detailed analysis. <\/span> <\/p><p><span style=\"font-weight: 400;\">If no particles are visible, an analysis of the coating crater is often still possible. Release agents, greases, or oils can often be detected using highly surface-sensitive analytical methods such as <\/span> <b> ESCA<\/b><span style=\"font-weight: 400;\"> on the coating surface. <\/span> <\/p><p><span style=\"font-weight: 400;\">In addition, mechanical damage in underlying coating layers (flaking) or in the unpainted component, such as (dents or scratches), can also lead to coating craters. In such cases, it would be necessary to create a cross-section through the defect. <\/span><\/p><p><span style=\"font-weight: 400;\">In the case of a multi-layer coating structure, a cross-section can also help determine which coating layer is responsible for the coating crater.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a9ff20 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-spacer\" data-id=\"8a9ff20\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6570da4 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"6570da4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Our Experts<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cc5240b e-flex e-con-boxed cmsmasters-block-default e-con e-parent\" data-id=\"cc5240b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-22375e8 e-grid e-con-full cmsmasters-block-default e-con e-child\" data-id=\"22375e8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-1ea0c06 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"1ea0c06\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c0c927f cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"c0c927f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"432\" height=\"418\" src=\"https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/03\/ASO_Rainer-Ziel.jpg.avif\" class=\"attachment-large size-large wp-image-37188\" alt=\"ASO Rainer Ziel.jpg\" srcset=\"https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/03\/ASO_Rainer-Ziel.jpg.avif 432w, https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/03\/ASO_Rainer-Ziel.jpg-300x290.avif 300w, https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/03\/ASO_Rainer-Ziel.jpg-310x300.avif 310w, https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/03\/ASO_Rainer-Ziel.jpg-30x30.avif 30w, https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/03\/ASO_Rainer-Ziel.jpg-10x10.avif 10w\" sizes=\"auto, (max-width: 432px) 100vw, 432px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-24768df e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"24768df\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-46d13d4 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"46d13d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Rainer Ziel<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-262cfa8 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"262cfa8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Failure Analysis, Microscopy\nSurface Analysis<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-70ddd82 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-spacer\" data-id=\"70ddd82\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fe1d955 elementor-icon-list--layout-traditional elementor-list-item-link-full_width cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-icon-list\" data-id=\"fe1d955\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"mailto:rainer.ziel@aso-labor.de\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span 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