{"id":634,"date":"2026-02-26T06:17:51","date_gmt":"2026-02-26T06:17:51","guid":{"rendered":"https:\/\/www.teartester.com\/?post_type=standard&#038;p=634"},"modified":"2026-02-28T08:22:07","modified_gmt":"2026-02-28T08:22:07","slug":"astm-d624","status":"publish","type":"standard","link":"https:\/\/www.teartester.com\/lv\/standard\/astm-d624\/","title":{"rendered":"ASTM D624"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Gumijas iztur\u012bba pret pl\u012bsumiem: k\u0101p\u0113c standarts ASTM D624 ir svar\u012bgs<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Plais\u0101\u0161an\u0101s ir bie\u017ei sastopams iemesls gumijas un elastom\u0113ru izstr\u0101d\u0101jumu darb\u012bbas trauc\u0113jumiem. Ja elastom\u0113ri tiek pak\u013cauti sprieguma koncentr\u0101cijai, griezumiem vai defektiem, plaisas var pak\u0101peniski izplat\u012bties, kas galu gal\u0101 noved pie materi\u0101la p\u0101rrau\u0161an\u0101s. <strong>gumijas iztur\u012bba pret pl\u012bsumiem<\/strong> Nov\u0113rt\u0113\u0161ana saska\u0146\u0101 ar standartu ASTM D624 pal\u012bdz in\u017eenieriem izprast, k\u0101 materi\u0101li rea\u0123\u0113, ja uz tiem iedarbojas pl\u012b\u0161anas sp\u0113ki.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160is r\u0101d\u012bt\u0101js sniedz ieskatu par:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Materi\u0101la iztur\u012bba re\u0101l\u0101s lieto\u0161anas apst\u0101k\u013cos<\/li>\n\n\n\n<li>Iztur\u012bba pret plaisu izplat\u012b\u0161anos<\/li>\n\n\n\n<li>Partiju kvalit\u0101tes stabilit\u0101te<\/li>\n\n\n\n<li>Mais\u012b\u0161anas, saciet\u0113\u0161anas un sast\u0101va izmai\u0146u ietekme<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Lai gan testa rezult\u0101ti tie\u0161i neatspogu\u013co darb\u012bbu re\u0101lajos apst\u0101k\u013cos, tie veido b\u016btisku pamatu sal\u012bdzino\u0161ai nov\u0113rt\u0113\u0161anai un kvalit\u0101tes nodro\u0161in\u0101\u0161anai.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Elastom\u0113ru iztur\u012bbas pret pl\u012bsumu p\u0101rbaude<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Port\u0101ls <strong>elastom\u0113ru iztur\u012bbas pret pl\u012bsumu p\u0101rbaude<\/strong> ASTM D624 standart\u0101 aprakst\u012bt\u0101 metode paredz, ka sagatavotajam paraugam tiek piem\u0113rota nep\u0101rtraukta pl\u012b\u0161anas slodze, l\u012bdz notiek piln\u012bga pl\u012b\u0161ana. Stiepes test\u0113\u0161anas iek\u0101rta piem\u0113ro sp\u0113ku ar kontrol\u0113tu \u0101trumu. Re\u0123istr\u0113tais maksim\u0101lais sp\u0113ks, dal\u012bts ar parauga biezumu, atspogu\u013co pl\u012b\u0161anas iztur\u012bbu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Galvenie faktori, kas ietekm\u0113 pl\u012bsumiztur\u012bbu, ir \u0161\u0101di:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Spriedzes sadal\u012bjums<\/li>\n\n\n\n<li>Parauga \u0123eometrija<\/li>\n\n\n\n<li>Deform\u0101cijas \u0101trums<\/li>\n\n\n\n<li>Meh\u0101nisk\u0101 anizotropija<\/li>\n\n\n\n<li>Materi\u0101la biezums<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">T\u0101 k\u0101 katrs parauga dizains nov\u0113rt\u0113 at\u0161\u0137ir\u012bgas pl\u012b\u0161anas \u012bpa\u0161\u012bbas, standart\u0101 ASTM D624 ir skaidri nor\u0101d\u012bts, ka <strong>rezult\u0101tus nevar sal\u012bdzin\u0101t starp da\u017e\u0101diem veidiem<\/strong>. Pareizas \u0123eometrijas izv\u0113le ir b\u016btiska prec\u012bzai nov\u0113rt\u0113\u0161anai.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">P\u0101rr\u0101vuma iztur\u012bbas p\u0101rbaude: ASTM D624 paraugu veidi<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. ASTM D624 C tips<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASTM D624 C tips<\/strong> izmanto 90\u00b0 le\u0146\u0137a paraugu bez iepriek\u0161 izgriezta iecirtuma. \u0160is tips galvenok\u0101rt m\u0113ra <strong>pl\u012bsumiztur\u012bba<\/strong>, piev\u0113r\u0161ot uzman\u012bbu tam, k\u0101 materi\u0101ls uzvedas sprieguma koncentr\u0101cijas punkt\u0101. Ja pl\u012bsumi nes\u0101kas virsotn\u0113, rezult\u0101ti var atspogu\u013cot dr\u012bz\u0101k stiepes \u012bpa\u0161\u012bbas nek\u0101 pl\u012b\u0161anas \u012bpa\u0161\u012bbas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. ASTM D624 B tips<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASTM D624 B tips<\/strong> izmanto pusm\u0113ness formas paraugu ar iecirtumiem un satv\u0113r\u0161anas atlokiem. Tas nodro\u0161ina prec\u012bzu m\u0113r\u012bjumu <strong>asaru izplat\u012b\u0161an\u0101s<\/strong>, t\u0101p\u0113c to izmanto, ja parauga izm\u0113rs to \u013cauj.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. ASTM D624 A tips<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASTM D624 A tips<\/strong> ar\u012b nov\u0113rt\u0113 pl\u012bsumu izplat\u012b\u0161anos, ta\u010du to izmanto gad\u012bjumos, kad pieejami maz\u0101ki lok\u0161\u0146u paraugi. T\u0101s \u0123eometrija nodro\u0161ina kompaktu alternat\u012bvu gad\u012bjumos, kad materi\u0101la daudzums ir ierobe\u017eots.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. ASTM D624 T tips<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASTM D624 T tips<\/strong> tiek izmantota klasisk\u0101 bik\u0161u pl\u012b\u0161anas testa metode. Abas bik\u0161u k\u0101jas tiek izstieptas, kam\u0113r iek\u0101rta re\u0123istr\u0113 nep\u0101rtrauktu sp\u0113ku. \u0160\u012b metode skaidri atspogu\u013co pl\u012bsumu izplat\u012b\u0161anos vis\u0101 bik\u0161u garum\u0101.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. ASTM D624, CP tips<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Port\u0101ls <strong>ASTM D624, CP tips<\/strong> \u0160is paraugs ir uzlabota versija bik\u0161u pl\u012bsuma testam ar ierobe\u017eotu pl\u012bsuma trajektoriju un biez\u0101kiem k\u0101ju posmiem. Tas nov\u0113r\u0161 novirzes un samazina stiep\u0161an\u0101s ietekmi, nodro\u0161inot stabil\u0101kus izplat\u012b\u0161an\u0101s datus.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pl\u012bsumiztur\u012bbas p\u0101rbaudes metode un k\u0101rt\u012bba<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Prec\u012bzs <strong>pl\u012bsuma iztur\u012bbas p\u0101rbaude<\/strong> Saska\u0146\u0101 ar standartu ASTM D624 ir nepiecie\u0161ama pareiza parauga sagatavo\u0161ana un prec\u012bza m\u0113rinstrumentu kontrole. Tipiskie so\u013ci ietver:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Paraugu apstr\u0101de un sagatavo\u0161ana atbilsto\u0161i \u0123eometrijas specifik\u0101cij\u0101m.<\/li>\n\n\n\n<li>Parauga nostiprin\u0101\u0161ana, lai nodro\u0161in\u0101tu vienm\u0113r\u012bgu slodzes sadali un dro\u0161u fiks\u0101ciju.<\/li>\n\n\n\n<li>Ma\u0161\u012bnas darbin\u0101\u0161ana ar noteikto \u0161\u0137\u0113rssviras \u0101trumu:\n<ul class=\"wp-block-list\">\n<li>500 \u00b1 50 mm\/min A, B un C tipam<\/li>\n\n\n\n<li>50 \u00b1 5 mm\/min T un CP tipam<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Maksim\u0101l\u0101s pl\u012b\u0161anas sp\u0113ka vai nep\u0101rtrauktas sp\u0113ka l\u012bknes re\u0123istr\u0113\u0161ana.<\/li>\n\n\n\n<li>Pl\u012bsuma iztur\u012bbas apr\u0113\u0137in\u0101\u0161ana uz vienu biezuma vien\u012bbu.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Stabils, augstas precizit\u0101tes stiepes test\u0113t\u0101js ir nepiecie\u0161ams, lai nodro\u0161in\u0101tu rezult\u0101tu atk\u0101rtojam\u012bbu un samazin\u0101tu sl\u012bd\u0113\u0161anu vai novirzes.<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":false},"standard-category":[2],"class_list":["post-634","standard","type-standard","status-publish","hentry","standard-category-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.teartester.com\/lv\/wp-json\/wp\/v2\/standard\/634","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.teartester.com\/lv\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.teartester.com\/lv\/wp-json\/wp\/v2\/types\/standard"}],"wp:attachment":[{"href":"https:\/\/www.teartester.com\/lv\/wp-json\/wp\/v2\/media?parent=634"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.teartester.com\/lv\/wp-json\/wp\/v2\/standard-category?post=634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}