{"id":2286,"date":"2016-01-25T22:29:02","date_gmt":"2016-01-25T22:29:02","guid":{"rendered":"http:\/\/nanovea.com\/?p=2286"},"modified":"2016-01-25T22:29:45","modified_gmt":"2016-01-25T22:29:45","slug":"twardosc-vickersa","status":"publish","type":"post","link":"https:\/\/nanovea.com\/pl\/twardosc-vickersa\/","title":{"rendered":"Twardo\u015b\u0107 Vickersa a oprzyrz\u0105dowana makroindentacja"},"content":{"rendered":"<p>Testy twardo\u015bci metod\u0105 makroindentacji s\u0105 szeroko stosowane do okre\u015blania og\u00f3lnej twardo\u015bci materia\u0142u. Istnieje wiele r\u00f3\u017cnych pomiar\u00f3w makrotwardo\u015bci, w tym mi\u0119dzy innymi test twardo\u015bci Vickersa (HV), test twardo\u015bci Brinella (HB), test twardo\u015bci Knoopa (HK) i test twardo\u015bci Rockwella (HR). Dzi\u0119ki jednej z najwi\u0119kszych skal w\u015br\u00f3d test\u00f3w twardo\u015bci, test Vickersa jest szeroko stosowany do pomiaru twardo\u015bci wszystkich metali. Twardo\u015b\u0107 Vickersa wykorzystuje diament w formie kwadratowej piramidy o k\u0105cie nachylenia do p\u0142aszczyzny poziomej 22\u00b0 z ka\u017cdej strony. Wciska si\u0119 on w powierzchni\u0119 pr\u00f3bki i tworzy kwadratowy odcisk. Mierz\u0105c \u015bredni\u0105 d\u0142ugo\u015b\u0107 przek\u0105tnej, d, twardo\u015b\u0107 Vickersa mo\u017cna obliczy\u0107 za pomoc\u0105 wzoru: gdzie F jest w N, a d w milimetrach. W tym przypadku dok\u0142adny pomiar warto\u015bci d ma kluczowe znaczenie dla uzyskania dok\u0142adnych warto\u015bci twardo\u015bci. Dla por\u00f3wnania, oprzyrz\u0105dowana technika wg\u0142\u0119biania bezpo\u015brednio mierzy w\u0142a\u015bciwo\u015bci mechaniczne na podstawie pomiar\u00f3w obci\u0105\u017cenia i przemieszczenia wg\u0142\u0119bienia. Nie jest wymagana wizualna obserwacja wg\u0142\u0119bienia, co eliminuje b\u0142\u0105d u\u017cytkownika w okre\u015blaniu warto\u015bci d wg\u0142\u0119bienia.<\/p>\n<p><a href=\"https:\/\/nanovea.com\/wp-content\/themes\/wp-nanovea\/Application%20Notes\/vickers-hardness.pdf\" target=\"_blank\">Twardo\u015b\u0107 Vickersa a oprzyrz\u0105dowana makroindentacja<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Macroindentation hardness tests are widely used to determine the overall hardness of a material. There are a variety of macrohardness measurements, including but not limited to Vickers hardness test (HV), Brinell hardness test (HB), Knoop hardness test (HK) and Rockwell hardness test (HR). With one of the largest scales among hardness tests, the Vickers test [&hellip;]<\/p>","protected":false},"author":1,"featured_media":2279,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[7],"tags":[230],"class_list":["post-2286","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-application-notes","tag-vickers-hardness"],"_links":{"self":[{"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/posts\/2286","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/comments?post=2286"}],"version-history":[{"count":2,"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/posts\/2286\/revisions"}],"predecessor-version":[{"id":2288,"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/posts\/2286\/revisions\/2288"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/media\/2279"}],"wp:attachment":[{"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/media?parent=2286"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/categories?post=2286"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/tags?post=2286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}