{"id":17152,"date":"2014-07-23T15:40:43","date_gmt":"2014-07-23T13:40:43","guid":{"rendered":"https:\/\/osk-kiefer.de\/technology-services\/shot-peening\/"},"modified":"2025-03-28T15:56:43","modified_gmt":"2025-03-28T13:56:43","slug":"shot-peening","status":"publish","type":"page","link":"https:\/\/osk-kiefer.de\/en\/technology-delivery-program\/shot-peening\/","title":{"rendered":"Shot Peening"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"17152\" class=\"elementor elementor-17152 elementor-778\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-402b3dba e-flex e-con-boxed e-con e-parent\" data-id=\"402b3dba\" 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-2a969b8 elementor-widget elementor-widget-heading\" data-id=\"2a969b8\" 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\">Shot Peening<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ebd096b bullet-list elementor-widget elementor-widget-text-editor\" data-id=\"ebd096b\" 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><strong>The most important objectives of shot peening are:<\/strong><\/p><ul><li>to incease the fatigue strength<\/li><li>to increase the fatigue life<\/li><li>to prevent stress corrosion<\/li><li>to delay stress corrosion fatigue<\/li><li>to prevent the formation and propagation of cracks<\/li><\/ul><h3>This process is applicable on all metallic parts<\/h3>\t\t\t\t\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-2b225e3 e-flex e-con-boxed e-con e-parent\" data-id=\"2b225e3\" 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<div class=\"elementor-element elementor-element-d0b810c e-con-full e-flex e-con e-child\" data-id=\"d0b810c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-203322b bullet-list elementor-widget elementor-widget-text-editor\" data-id=\"203322b\" 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>Higher fatigue strength allows higher load duration of your parts or higher safety margin.<br \/>Your parts will get more durable or the fatigue strength for finite life will be increased.<\/p><h4>Examples:<\/h4><ul><li>higher performance by the same weight or less weight by the same performance<\/li><li>higher performance by the same dimensions or smaller dimensions by the same performance<\/li><li>higher performance by the same material or greater material selection by the same performance<\/li><li>higher performance by the same surface finish or lower surface finish by the same performance<em><br \/><\/em><\/li><\/ul><h4>The improvement of the fatigue life leads to:<\/h4><ul><li>improving the reputation of the products<\/li><li>Cost reduction in service and under guarantee<\/li><li>higher fatigue life of components<\/li><li>higher safety margins on components<\/li><li>reinforcing already designed components without changing materials or dimensions<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-109bdfd e-con-full e-flex e-con e-child\" data-id=\"109bdfd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9ae0770 elementor-widget elementor-widget-image\" data-id=\"9ae0770\" 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 fetchpriority=\"high\" decoding=\"async\" width=\"400\" height=\"466\" src=\"https:\/\/osk-kiefer.de\/wp-content\/uploads\/2025\/03\/diagramm_42_en.jpg\" class=\"attachment-large size-large wp-image-15260\" alt=\"\" srcset=\"https:\/\/osk-kiefer.de\/wp-content\/uploads\/2025\/03\/diagramm_42_en.jpg 400w, https:\/\/osk-kiefer.de\/wp-content\/uploads\/2025\/03\/diagramm_42_en-258x300.jpg 258w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\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-1a1feba e-flex e-con-boxed e-con e-parent\" data-id=\"1a1feba\" 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<div class=\"elementor-element elementor-element-3587d3f e-con-full e-flex e-con e-child\" data-id=\"3587d3f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d1f7b0b elementor-widget elementor-widget-image\" data-id=\"d1f7b0b\" 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 decoding=\"async\" width=\"450\" height=\"693\" src=\"https:\/\/osk-kiefer.de\/wp-content\/uploads\/2025\/03\/verfestigungsstrahlen_en2.jpg\" class=\"attachment-large size-large wp-image-16768\" alt=\"\" srcset=\"https:\/\/osk-kiefer.de\/wp-content\/uploads\/2025\/03\/verfestigungsstrahlen_en2.jpg 450w, https:\/\/osk-kiefer.de\/wp-content\/uploads\/2025\/03\/verfestigungsstrahlen_en2-195x300.jpg 195w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5e58c4c e-con-full e-flex e-con e-child\" data-id=\"5e58c4c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4f20509 elementor-widget elementor-widget-text-editor\" data-id=\"4f20509\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"wpb_text_column wpb_content_element\"><div class=\"wpb_wrapper\"><p>The elastic deformation generates high compressive residual stress in the plastically deformed surface layer.<br \/>This surface layer is relieved from applied tensile stress and increases the fatigue strength and resistance to stress corrosion cracking and corrosion fatigue of the components. High compressive residual stress prevents also the formation and propagation of cracks.<\/p><p>Shot peening is extremely valuable on components with a high stress concentration factor, with high notch sensitivity, with high torsional or bending stress, with percussive load, made of brittle material, hardened material or made of very hard steel. (e.g. valves, springs, percussion pistons, etc.).<\/p><p>Furthermore, the shot peening and blasting process can also be used for compacting, cleaning, stripping, texturing, roughening, matting, smoothening, deburring, skiving, cutting, engraving and to form thin-walled components in the elastically range.<\/p><\/div><\/div><div class=\"wpb_text_column wpb_content_element\"><div class=\"wpb_wrapper\"><h4>Influence of shot peening<\/h4><p>In the shot peening process small spherical particles are propelled by air pressure or a centrifugal acceleration against the surface of a finished part and act like tiny sledge hammers which plastically and elastically deform the material in the surface layer of components. Hertzian Stress deform the material below the surface. Both effects appear simultaneous and are influenced by the shot peening parameters.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Shot Peening The most important objectives of shot peening are: to incease the fatigue strength to increase the fatigue life to prevent stress corrosion to delay stress corrosion fatigue to prevent the formation and propagation of cracks This process is applicable on all metallic parts Higher fatigue strength allows higher load duration of your parts [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":16523,"parent":17127,"menu_order":24,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-17152","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Shot Peening - OSK Kiefer GmbH<\/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:\/\/osk-kiefer.de\/en\/technology-delivery-program\/shot-peening\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Shot Peening - OSK Kiefer GmbH\" \/>\n<meta property=\"og:description\" content=\"Shot Peening The most important objectives of shot peening are: to incease the fatigue strength to increase the fatigue life to prevent stress corrosion to delay stress corrosion fatigue to prevent the formation and propagation of cracks This process is applicable on all metallic parts Higher fatigue strength allows higher load duration of your parts [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/osk-kiefer.de\/en\/technology-delivery-program\/shot-peening\/\" \/>\n<meta property=\"og:site_name\" content=\"OSK Kiefer GmbH\" \/>\n<meta property=\"article:modified_time\" content=\"2025-03-28T13:56:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/osk-kiefer.de\/wp-content\/uploads\/2025\/03\/Fotolia_47596378_Subscription_Yearly_XXL-1-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1599\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/osk-kiefer.de\/en\/technology-delivery-program\/shot-peening\/\",\"url\":\"https:\/\/osk-kiefer.de\/en\/technology-delivery-program\/shot-peening\/\",\"name\":\"Shot Peening - OSK Kiefer GmbH\",\"isPartOf\":{\"@id\":\"https:\/\/osk-kiefer.de\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/osk-kiefer.de\/en\/technology-delivery-program\/shot-peening\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/osk-kiefer.de\/en\/technology-delivery-program\/shot-peening\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/osk-kiefer.de\/wp-content\/uploads\/2025\/03\/Fotolia_47596378_Subscription_Yearly_XXL-1-scaled.jpg\",\"datePublished\":\"2014-07-23T13:40:43+00:00\",\"dateModified\":\"2025-03-28T13:56:43+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/osk-kiefer.de\/en\/technology-delivery-program\/shot-peening\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/osk-kiefer.de\/en\/technology-delivery-program\/shot-peening\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/osk-kiefer.de\/en\/technology-delivery-program\/shot-peening\/#primaryimage\",\"url\":\"https:\/\/osk-kiefer.de\/wp-content\/uploads\/2025\/03\/Fotolia_47596378_Subscription_Yearly_XXL-1-scaled.jpg\",\"contentUrl\":\"https:\/\/osk-kiefer.de\/wp-content\/uploads\/2025\/03\/Fotolia_47596378_Subscription_Yearly_XXL-1-scaled.jpg\",\"width\":2560,\"height\":1599},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/osk-kiefer.de\/en\/technology-delivery-program\/shot-peening\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/osk-kiefer.de\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Technology &#038; 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