{"id":27450,"date":"2023-05-16T20:00:53","date_gmt":"2023-05-16T18:00:53","guid":{"rendered":"https:\/\/www.hilase.cz\/?p=27450"},"modified":"2024-05-21T10:52:20","modified_gmt":"2024-05-21T08:52:20","slug":"microstructure-and-surface-quality-of-slm-printed-miniature-helical-gear-in-lspwc","status":"publish","type":"post","link":"https:\/\/www.hilase.cz\/en\/microstructure-and-surface-quality-of-slm-printed-miniature-helical-gear-in-lspwc\/","title":{"rendered":"Microstructure and surface quality of SLM printed miniature helical gear in LSPwC"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":15,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[176],"class_list":["post-27450","post","type-post","status-publish","format-standard","hentry","category-paper"],"acf":{"obrazek":{"ID":27454,"id":27454,"title":"N\u00e1vrh bez n\u00e1zvu (8)","filename":"Navrh-bez-nazvu-8-3.png","filesize":119596,"url":"https:\/\/www.hilase.cz\/wp-content\/uploads\/Navrh-bez-nazvu-8-3.png","link":"https:\/\/www.hilase.cz\/en\/microstructure-and-surface-quality-of-slm-printed-miniature-helical-gear-in-lspwc\/navrh-bez-nazvu-8-4\/","alt":"","author":"15","description":"","caption":"","name":"navrh-bez-nazvu-8-4","status":"inherit","uploaded_to":27450,"date":"2023-05-15 08:30:15","modified":"2023-05-15 08:30:15","menu_order":0,"mime_type":"image\/png","type":"image","subtype":"png","icon":"https:\/\/www.hilase.cz\/wp-includes\/images\/media\/default.png","width":314,"height":166,"sizes":{"thumbnail":"https:\/\/www.hilase.cz\/wp-content\/uploads\/Navrh-bez-nazvu-8-3-175x166.png","thumbnail-width":175,"thumbnail-height":166,"medium":"https:\/\/www.hilase.cz\/wp-content\/uploads\/Navrh-bez-nazvu-8-3.png","medium-width":314,"medium-height":166,"medium_large":"https:\/\/www.hilase.cz\/wp-content\/uploads\/Navrh-bez-nazvu-8-3.png","medium_large-width":314,"medium_large-height":166,"large":"https:\/\/www.hilase.cz\/wp-content\/uploads\/Navrh-bez-nazvu-8-3.png","large-width":314,"large-height":166,"1536x1536":"https:\/\/www.hilase.cz\/wp-content\/uploads\/Navrh-bez-nazvu-8-3.png","1536x1536-width":314,"1536x1536-height":166,"2048x2048":"https:\/\/www.hilase.cz\/wp-content\/uploads\/Navrh-bez-nazvu-8-3.png","2048x2048-width":314,"2048x2048-height":166,"image":"https:\/\/www.hilase.cz\/wp-content\/uploads\/Navrh-bez-nazvu-8-3.png","image-width":314,"image-height":166,"gallery":"https:\/\/www.hilase.cz\/wp-content\/uploads\/Navrh-bez-nazvu-8-3-273x166.png","gallery-width":273,"gallery-height":166,"card":"https:\/\/www.hilase.cz\/wp-content\/uploads\/Navrh-bez-nazvu-8-3.png","card-width":314,"card-height":166,"square":"https:\/\/www.hilase.cz\/wp-content\/uploads\/Navrh-bez-nazvu-8-3.png","square-width":314,"square-height":166}},"obsah":[{"acf_fc_layout":"text","text":"<p><strong>We are happy to announce that our colleagues from the Industrial Laser Applications (<a href=\"https:\/\/www.hilase.cz\/en\/vyzkumne-programy\/industrial-laser-applications\/\">ILA)<\/a> department Sunil Pathak, Marek B\u00f6hm, Jan Kaufman, Sanin Zuli\u0107, Ond\u0159ej Str\u00e1nsk\u00fd, Jan Brajer and Tom\u00e1\u0161 Mocek (Head of the HiLASE Centre) together with Jarom\u00edr Kope\u010dek (<a href=\"http:\/\/www.fzu.cz\">FZU<\/a>) and Libor Ber\u00e1nek (<a href=\"https:\/\/www.cvut.cz\/en\">CTU<\/a>) have published a new article in the journal of<a href=\"https:\/\/www.tandfonline.com\/doi\/full\/10.1080\/02670844.2023.2207934\"> Surface Engineering<\/a>. The topic of the article is <em>Microstructure and surface quality of SLM printed miniature helical gear in LSPwC<\/em>.<\/strong><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.hilase.cz\/wp-content\/uploads\/1-177.png\" \/><\/p>\n<p>The work describes the influence of underwater laser shock peening without coating (LSPwC) on selective laser melting manufactured meso-size (outside diameter\u2009\u2264\u200910\u2005mm) helical gears. Five experiments were conducted using energies in the 200 mJ up to 1 J, while the spot size and overlap were kept constant as 1 mm and 90 %, respectively. Responses were measured and compared in terms of surface residual stresses, surface roughness, and microstructure of LSPwC-treated samples. Results show the development of significant compressive residual stresses in the root of the LSPwC processed helical gear, where it changes the state from tensile +45\u2005MPa to compressive \u2212421\u2005MPa. Surface roughness has shown improvement, while volumetric material peak confirms the reduction by over 50%. Microstructure study was performed at the surface and by cross-section using scanning electron microscopy and electron backscatter diffraction analysis. The grain refinement and change in misorientation were observed, confirming plastic deformation.<\/p>\n<p>Read the <a href=\"https:\/\/www.tandfonline.com\/doi\/full\/10.1080\/02670844.2023.2207934\">FULL ARTICLE.<\/a><\/p>\n","oddelovace":"none"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Microstructure and surface quality of SLM printed miniature helical gear in LSPwC - HiLASE<\/title>\n<meta name=\"description\" content=\"The article published in the journal of Surface engineering describes the influence of underwater laser shock peening without coating (LSPwC) on selective laser melting manufactured meso-size (outside diameter\u2009\u2264\u200910\u2005mm) helical gears.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.hilase.cz\/en\/microstructure-and-surface-quality-of-slm-printed-miniature-helical-gear-in-lspwc\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Paper: Microstructure and surface quality of SLM printed miniature helical gear in LSPwC\" \/>\n<meta property=\"og:description\" content=\"The article published in the journal of Surface engineering describes the influence of underwater laser shock peening without coating (LSPwC) on selective laser melting manufactured meso-size (outside diameter\u2009\u2264\u200910\u2005mm) helical gears.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.hilase.cz\/en\/microstructure-and-surface-quality-of-slm-printed-miniature-helical-gear-in-lspwc\/\" \/>\n<meta property=\"og:site_name\" content=\"HiLASE\" \/>\n<meta property=\"article:published_time\" content=\"2023-05-16T18:00:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-21T08:52:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.hilase.cz\/wp-content\/uploads\/1-177.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"628\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Lucka \u0160t\u011bp\u00e1nkov\u00e1\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Paper: Microstructure and surface quality of SLM printed miniature helical gear in LSPwC\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/www.hilase.cz\/wp-content\/uploads\/1-177.png\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Lucka \u0160t\u011bp\u00e1nkov\u00e1\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.hilase.cz\/en\/microstructure-and-surface-quality-of-slm-printed-miniature-helical-gear-in-lspwc\/\",\"url\":\"https:\/\/www.hilase.cz\/en\/microstructure-and-surface-quality-of-slm-printed-miniature-helical-gear-in-lspwc\/\",\"name\":\"Microstructure and surface quality of SLM printed miniature helical gear in LSPwC - 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