{"id":1276,"date":"2017-02-02T13:50:31","date_gmt":"2017-02-02T12:50:31","guid":{"rendered":"https:\/\/samuraischwert.kaufen\/?p=1276"},"modified":"2018-08-16T18:34:48","modified_gmt":"2018-08-16T16:34:48","slug":"hrc-haerte-rockwellhaerte","status":"publish","type":"post","link":"https:\/\/samuraischwert.kaufen\/fr\/kaufberatung\/hrc-haerte-rockwellhaerte\/","title":{"rendered":"Duret\u00e9 HRC - duret\u00e9 de la lame selon Rockwell"},"content":{"rendered":"<h2>Que signifie la duret\u00e9 ?<\/h2>\n<p>La duret\u00e9, comme la duret\u00e9 HRC, d'un mat\u00e9riau est techniquement la r\u00e9sistance qu'offre un mat\u00e9riau lorsqu'un autre mat\u00e9riau y p\u00e9n\u00e8tre.<br \/>\nIl existe diff\u00e9rentes m\u00e9thodes pour d\u00e9terminer la duret\u00e9 d'un mat\u00e9riau. En r\u00e8gle g\u00e9n\u00e9rale, on utilise un mat\u00e9riau tr\u00e8s dur (p. ex. le diamant) pour p\u00e9n\u00e9trer dans un mat\u00e9riau plus tendre (p. ex. l'acier). L'effet sur le mat\u00e9riau plus tendre donne alors une indication sur sa duret\u00e9.<\/p>\n<h2>M\u00e9thode de mesure selon Rockwell &amp; HRC Duret\u00e9<\/h2>\n<p>Dans le domaine des couteaux et des guides, on utilise g\u00e9n\u00e9ralement la m\u00e9thode de mesure Rockwell. Le r\u00e9sultat de cette mesure est exprim\u00e9 en HR. L'acier pour \u00e9p\u00e9es \u00e9tant relativement dur, la m\u00e9thode selon l'\u00e9chelle C est utilis\u00e9e. Le r\u00e9sultat est donc indiqu\u00e9 en HRC.<br \/>\nEn termes simples, la mesure consiste \u00e0 enfoncer un diamant conique dans l'acier et \u00e0 mesurer la profondeur \u00e0 laquelle le diamant p\u00e9n\u00e8tre.<\/p>\n<h2>Valeurs typiques pour les lames<\/h2>\n<p>Les lames ont g\u00e9n\u00e9ralement une valeur comprise entre 40 et 65 HRC.<br \/>\nUne duret\u00e9 de 60 est d\u00e9j\u00e0 une bonne valeur, et au-del\u00e0 de 62 HRC, l'air se rar\u00e9fie, car la plupart des lames ont une valeur HRC plus faible. Seules quelques-unes atteignent une valeur sup\u00e9rieure \u00e0 65 HRC.<br \/>\n\u00c0 titre indicatif, la duret\u00e9 d'une lame de couteau en acier inoxydable est g\u00e9n\u00e9ralement d'un peu plus de 50 HRC.<\/p>\n<p>La m\u00e9thode Rockwell n'autorise d'ailleurs que des valeurs comprises entre 20 et 70 HRC. Une valeur sup\u00e9rieure \u00e0 70 HRC n'existe donc pas !<\/p>\n<h2>Compl\u00e9ment important<\/h2>\n<p>La r\u00e8gle selon laquelle l'acier ayant une valeur de duret\u00e9 HRC plus \u00e9lev\u00e9e est le meilleur acier pour une lame ne s'applique pas. Cela d\u00e9pend beaucoup de l'acier utilis\u00e9. Certains types d'acier sont tr\u00e8s durs mais fragiles et ne conviennent donc pas pour les lames.<\/p>\n<p>Souvent, la valeur HRC est indiqu\u00e9e \u00e0 titre indicatif. Mais une lame ne devrait jamais \u00eatre jug\u00e9e uniquement sur cette valeur.<\/p>\n<p>&nbsp;<\/p>\n<p>Pour plus d'informations sur les diff\u00e9rents types d'acier utilis\u00e9s pour les \u00e9p\u00e9es, consultez notre article\u00a0<a href=\"https:\/\/samuraischwert.kaufen\/fr\/sabre-de-samourai\/composants\/la-lame\/aciers-pour-lames\/\" target=\"_blank\" rel=\"noopener\">Nuances d'acier de lame des sabres de samoura\u00ef<\/a>.<\/p>\n<div class=\"shariff shariff-align-left shariff-widget-align-left\"><ul class=\"shariff-buttons theme-grey orientation-horizontal buttonsize-medium\"><li class=\"shariff-button twitter shariff-nocustomcolor\" style=\"background-color:#595959\"><a href=\"https:\/\/twitter.com\/share?url=https%3A%2F%2Fsamuraischwert.kaufen%2Ffr%2Fkaufberatung%2Fhrc-haerte-rockwellhaerte%2F&text=HRC%20H%C3%A4rte%20%E2%80%93%20Klingenh%C3%A4rte%20nach%20Rockwell\" title=\"Partager sur X\" aria-label=\"Partager sur X\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; 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Die H\u00e4rte, wie beispielsweise die HRC H\u00e4rte, eines Materials ist technisch gesehen der Widerstand, den ein Material bietet, wenn ein anderes Material darin eindringt. Es gibt verschiedene Methoden die H\u00e4rte eines Materials zu bestimmen. Dabei wird in der Regel ein sehr hartes Material verwendet (z.B. Diamant) um in ein weicheres Material (z.B. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1971,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[32],"tags":[],"class_list":["post-1276","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kaufberatung"],"acf":[],"_links":{"self":[{"href":"https:\/\/samuraischwert.kaufen\/fr\/wp-json\/wp\/v2\/posts\/1276","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/samuraischwert.kaufen\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/samuraischwert.kaufen\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/samuraischwert.kaufen\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/samuraischwert.kaufen\/fr\/wp-json\/wp\/v2\/comments?post=1276"}],"version-history":[{"count":0,"href":"https:\/\/samuraischwert.kaufen\/fr\/wp-json\/wp\/v2\/posts\/1276\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/samuraischwert.kaufen\/fr\/wp-json\/wp\/v2\/media\/1971"}],"wp:attachment":[{"href":"https:\/\/samuraischwert.kaufen\/fr\/wp-json\/wp\/v2\/media?parent=1276"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/samuraischwert.kaufen\/fr\/wp-json\/wp\/v2\/categories?post=1276"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/samuraischwert.kaufen\/fr\/wp-json\/wp\/v2\/tags?post=1276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}