{"id":1789,"date":"2025-04-01T18:39:48","date_gmt":"2025-04-01T09:39:48","guid":{"rendered":"https:\/\/selected-japanese-swords.com\/?page_id=1789"},"modified":"2026-03-24T14:31:05","modified_gmt":"2026-03-24T05:31:05","slug":"science-of-katana","status":"publish","type":"page","link":"https:\/\/selected-japanese-swords.com\/ifu-fr\/science-of-katana\/","title":{"rendered":"Science du Katana"},"content":{"rendered":"\n<div class=\"wp-block-cover\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"683\" class=\"wp-block-cover__image-background wp-image-4225 size-large\" alt=\"\" src=\"https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-content\/uploads\/2025\/07\/scienceofkatana2-1024x683.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-content\/uploads\/2025\/07\/scienceofkatana2-1024x683.jpg 1024w, https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-content\/uploads\/2025\/07\/scienceofkatana2-300x200.jpg 300w, https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-content\/uploads\/2025\/07\/scienceofkatana2-768x512.jpg 768w, https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-content\/uploads\/2025\/07\/scienceofkatana2-1200x800.jpg 1200w, https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-content\/uploads\/2025\/07\/scienceofkatana2.jpg 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"background-color:#4f371e\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-center has-white-color has-text-color has-link-color has-large-font-size wp-elements-a8ebcdbf8e4ed897a6a5fdd529e9c123\">Science du Katana<\/p>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p>\u3000\u3000\u3000<br><br>En tant que passionn\u00e9s de katana d\u00e9vou\u00e9s, nous avons men\u00e9 des recherches sur les nombreuses merveilles qui entourent les Katanas Authentiques.<br>Permettez-nous de vous pr\u00e9senter les performances redoutables des Katanas Authentiques \u2014 non pas seulement comme un objet de beaut\u00e9, mais \u00e0 travers le prisme de la science.<\/p>\n\n\n\n<p><br><\/p>\n\n\n\n<p>Voici la th\u00e9orie la plus convaincante dans la recherche sur le \u00ab tranchant \u00bb des lames. Elle explique quelles lois m\u00e9caniques sont \u00e0 l&#8217;\u0153uvre lorsqu&#8217;un objet est sectionn\u00e9.<\/p>\n\n\n\n<p><a href=\"https:\/\/selected-japanese-swords.com\/ifu-fr\/sharpness-of-katana\/\">Le Myst\u00e8re du Tranchant du Katana Authentique<\/a><\/p>\n\n\n\n<p><br><\/p>\n\n\n\n<p>\u00ab Ni cassure, ni d\u00e9formation, un tranchant exceptionnel \u00bb \u2014 seul le katana authentique a r\u00e9ussi cet \u00e9quilibre. Le secret r\u00e9side dans son \u00e9l\u00e9gante courbure.<\/p>\n\n\n\n<p><a href=\"https:\/\/selected-japanese-swords.com\/ifu-fr\/the-secret-of-curvature\/\">La Courbure et Ses Raisons : La Fonction Cach\u00e9e de la Forme du Katana Authentique<\/a><\/p>\n\n\n\n<p><br><\/p>\n\n\n\n<p>Les id\u00e9es re\u00e7ues sur le katana authentique \u2014 notamment en ce qui concerne ses mat\u00e9riaux et ses m\u00e9thodes de forge \u2014 sont-elles vraiment fond\u00e9es ? Dans cet article, nous explorons la structure interne de la lame sous un angle m\u00e9tallurgique.<\/p>\n\n\n\n<p><a href=\"https:\/\/selected-japanese-swords.com\/ifu-fr\/inside-the-blade\/\">Au C\u0153ur de la Lame : Les Secrets M\u00e9tallurgiques du Katana Authentique<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3000\u3000\u3000 En tant que passionn\u00e9s de katana d\u00e9vou\u00e9s, nous avons men\u00e9 des recherches sur les nombreuses merveilles qui entourent les Katanas Authentiques.Permettez-nous de vous pr\u00e9senter les performances redoutables des Katanas Authentiques \u2014 non pas seulement comme un objet de beaut\u00e9, mais \u00e0 travers le prisme de la science. Voici la th\u00e9orie la plus convaincante dans [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","omw_enable_modal_window":"enable","ofc_meta_disable_footer_callout":"","ofc_meta_callout_button_url":"","ofc_meta_callout_button_txt":"","ofc_meta_callout_text":"","osh_disable_topbar_sticky":"default","osh_disable_header_sticky":"default","osh_sticky_header_style":"default","osh_sticky_header_effect":"","osh_custom_sticky_logo":0,"osh_custom_retina_sticky_logo":0,"osh_custom_sticky_logo_height":0,"osh_background_color":"","osh_links_color":"","osh_links_hover_color":"","osh_links_active_color":"","osh_links_bg_color":"","osh_links_hover_bg_color":"","osh_links_active_bg_color":"","osh_menu_social_links_color":"","osh_menu_social_hover_links_color":"","footnotes":""},"class_list":["post-1789","page","type-page","status-publish","hentry","entry","owp-thumbs-layout-horizontal","owp-btn-big","owp-tabs-layout-horizontal","has-no-thumbnails","has-product-nav"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Science du Katana - \u5a01\u98a8 Ifu - The Authentic Katana<\/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:\/\/selected-japanese-swords.com\/ifu-fr\/science-of-katana\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Science du Katana - \u5a01\u98a8 Ifu - The Authentic Katana\" \/>\n<meta property=\"og:description\" content=\"\u3000\u3000\u3000 En tant que passionn\u00e9s de katana d\u00e9vou\u00e9s, nous avons men\u00e9 des recherches sur les nombreuses merveilles qui entourent les Katanas Authentiques.Permettez-nous de vous pr\u00e9senter les performances redoutables des Katanas Authentiques \u2014 non pas seulement comme un objet de beaut\u00e9, mais \u00e0 travers le prisme de la science. Voici la th\u00e9orie la plus convaincante dans [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/selected-japanese-swords.com\/ifu-fr\/science-of-katana\/\" \/>\n<meta property=\"og:site_name\" content=\"\u5a01\u98a8 Ifu - The Authentic Katana\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/people\/Ifu-The-Authentic-Katana\/61579072987458\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-24T05:31:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-content\/uploads\/2025\/07\/scienceofkatana2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1536\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\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=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/science-of-katana\\\/\",\"url\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/science-of-katana\\\/\",\"name\":\"Science du Katana - \u5a01\u98a8 Ifu - The Authentic Katana\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/science-of-katana\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/science-of-katana\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/scienceofkatana2-1024x683.jpg\",\"datePublished\":\"2025-04-01T09:39:48+00:00\",\"dateModified\":\"2026-03-24T05:31:05+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/science-of-katana\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/science-of-katana\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/science-of-katana\\\/#primaryimage\",\"url\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/scienceofkatana2.jpg\",\"contentUrl\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/scienceofkatana2.jpg\",\"width\":1536,\"height\":1024},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/science-of-katana\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Science du Katana\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/#website\",\"url\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/\",\"name\":\"\u5a01\u98a8 Ifu - The Authentic Katana\",\"description\":\"real antique katana from Japan\",\"publisher\":{\"@id\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/#organization\",\"name\":\"\u5a01\u98a8 Ifu\",\"url\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/logo-yoko2-badk.png\",\"contentUrl\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/logo-yoko2-badk.png\",\"width\":800,\"height\":200,\"caption\":\"\u5a01\u98a8 Ifu\"},\"image\":{\"@id\":\"https:\\\/\\\/selected-japanese-swords.com\\\/ifu-fr\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/people\\\/Ifu-The-Authentic-Katana\\\/61579072987458\\\/\",\"https:\\\/\\\/www.instagram.com\\\/ifu_the_authentic_katana\\\/\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Science du Katana - \u5a01\u98a8 Ifu - The Authentic Katana","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:\/\/selected-japanese-swords.com\/ifu-fr\/science-of-katana\/","og_locale":"en_US","og_type":"article","og_title":"Science du Katana - \u5a01\u98a8 Ifu - The Authentic Katana","og_description":"\u3000\u3000\u3000 En tant que passionn\u00e9s de katana d\u00e9vou\u00e9s, nous avons men\u00e9 des recherches sur les nombreuses merveilles qui entourent les Katanas Authentiques.Permettez-nous de vous pr\u00e9senter les performances redoutables des Katanas Authentiques \u2014 non pas seulement comme un objet de beaut\u00e9, mais \u00e0 travers le prisme de la science. Voici la th\u00e9orie la plus convaincante dans [&hellip;]","og_url":"https:\/\/selected-japanese-swords.com\/ifu-fr\/science-of-katana\/","og_site_name":"\u5a01\u98a8 Ifu - The Authentic Katana","article_publisher":"https:\/\/www.facebook.com\/people\/Ifu-The-Authentic-Katana\/61579072987458\/","article_modified_time":"2026-03-24T05:31:05+00:00","og_image":[{"width":1536,"height":1024,"url":"https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-content\/uploads\/2025\/07\/scienceofkatana2.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/selected-japanese-swords.com\/ifu-fr\/science-of-katana\/","url":"https:\/\/selected-japanese-swords.com\/ifu-fr\/science-of-katana\/","name":"Science du Katana - \u5a01\u98a8 Ifu - The Authentic Katana","isPartOf":{"@id":"https:\/\/selected-japanese-swords.com\/ifu-fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/selected-japanese-swords.com\/ifu-fr\/science-of-katana\/#primaryimage"},"image":{"@id":"https:\/\/selected-japanese-swords.com\/ifu-fr\/science-of-katana\/#primaryimage"},"thumbnailUrl":"https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-content\/uploads\/2025\/07\/scienceofkatana2-1024x683.jpg","datePublished":"2025-04-01T09:39:48+00:00","dateModified":"2026-03-24T05:31:05+00:00","breadcrumb":{"@id":"https:\/\/selected-japanese-swords.com\/ifu-fr\/science-of-katana\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/selected-japanese-swords.com\/ifu-fr\/science-of-katana\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/selected-japanese-swords.com\/ifu-fr\/science-of-katana\/#primaryimage","url":"https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-content\/uploads\/2025\/07\/scienceofkatana2.jpg","contentUrl":"https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-content\/uploads\/2025\/07\/scienceofkatana2.jpg","width":1536,"height":1024},{"@type":"BreadcrumbList","@id":"https:\/\/selected-japanese-swords.com\/ifu-fr\/science-of-katana\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/selected-japanese-swords.com\/ifu-fr\/"},{"@type":"ListItem","position":2,"name":"Science du Katana"}]},{"@type":"WebSite","@id":"https:\/\/selected-japanese-swords.com\/ifu-fr\/#website","url":"https:\/\/selected-japanese-swords.com\/ifu-fr\/","name":"\u5a01\u98a8 Ifu - The Authentic Katana","description":"real antique katana from Japan","publisher":{"@id":"https:\/\/selected-japanese-swords.com\/ifu-fr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/selected-japanese-swords.com\/ifu-fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/selected-japanese-swords.com\/ifu-fr\/#organization","name":"\u5a01\u98a8 Ifu","url":"https:\/\/selected-japanese-swords.com\/ifu-fr\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/selected-japanese-swords.com\/ifu-fr\/#\/schema\/logo\/image\/","url":"https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-content\/uploads\/2025\/12\/logo-yoko2-badk.png","contentUrl":"https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-content\/uploads\/2025\/12\/logo-yoko2-badk.png","width":800,"height":200,"caption":"\u5a01\u98a8 Ifu"},"image":{"@id":"https:\/\/selected-japanese-swords.com\/ifu-fr\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/people\/Ifu-The-Authentic-Katana\/61579072987458\/","https:\/\/www.instagram.com\/ifu_the_authentic_katana\/"]}]}},"_links":{"self":[{"href":"https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-json\/wp\/v2\/pages\/1789","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-json\/wp\/v2\/comments?post=1789"}],"version-history":[{"count":16,"href":"https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-json\/wp\/v2\/pages\/1789\/revisions"}],"predecessor-version":[{"id":4440,"href":"https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-json\/wp\/v2\/pages\/1789\/revisions\/4440"}],"wp:attachment":[{"href":"https:\/\/selected-japanese-swords.com\/ifu-fr\/wp-json\/wp\/v2\/media?parent=1789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}