Zku\u0161ebn\u00ed metody adheze<\/h3>\n\n\n\nZkou\u0161ka p\u0159ilnavosti vyta\u017een\u00edm<\/h4>\n\n\n\n
Zkou\u0161ka adheze tahem m\u011b\u0159\u00ed kvantitativn\u011b s\u00edlu pot\u0159ebnou k odd\u011blen\u00ed zat\u011b\u017eovac\u00edho p\u0159\u00edpravku (panenky nebo trnu) od povlaku. P\u0159enosn\u00e1 zkou\u0161ka odtr\u017een\u00ed tester p\u0159ilnavosti<\/strong><\/a> p\u016fsob\u00ed st\u00e1le v\u011bt\u0161\u00ed zat\u00ed\u017een\u00ed, dokud se voz\u00edk neodtrhne. Nam\u011b\u0159en\u00e1 s\u00edla - vyj\u00e1d\u0159en\u00e1 v mega pascalech (MPa) nebo libr\u00e1ch na \u010dtvere\u010dn\u00ed palec (psi) - ud\u00e1v\u00e1 pevnost v tahu potahu. Touto metodou se \u0159\u00edd\u00ed normy jako ASTM D4541\/D7234 a ISO 4624.<\/p>\n\n\n\n Podobn\u011b jako p\u0159i zkou\u0161ce odtr\u017een\u00edm se p\u0159i zkou\u0161ce adheze odtla\u010den\u00edm m\u011b\u0159\u00ed s\u00edla pot\u0159ebn\u00e1 k odtla\u010den\u00ed panenky (kol\u00edku) od povrchu. Do st\u0159edov\u00e9ho otvoru v ka\u017ed\u00e9 panence se vlo\u017e\u00ed kol\u00edk a p\u016fsob\u00ed se na ni ru\u010dn\u00edm nebo hydraulick\u00fdm tlakem, dokud se neodd\u011bl\u00ed.<\/p>\n\n\n\n Tato subjektivn\u00ed zkou\u0161ka spo\u010d\u00edv\u00e1 v tom, \u017ee se do povlaku pomoc\u00ed kuchy\u0148sk\u00e9ho no\u017ee a kovov\u00e9ho prav\u00edtka vy\u0159\u00edzne p\u00edsmeno \u201cX\u201d (s \u00fahlem 30\u00b0 a\u017e 45\u00b0 mezi rameny). Pomoc\u00ed no\u017ee se pak pokus\u00ed zvednout povlak z podkladu nebo podkladov\u00e9 vrstvy. Tuto zku\u0161ebn\u00ed metodu podrobn\u011b popisuje norma ASTM D6677.<\/p>\n\n\n\n Norma ASTM D3359 popisuje dv\u011b metody zkou\u0161en\u00ed p\u0159ilnavosti pomoc\u00ed p\u00e1sky citliv\u00e9 na tlak, kter\u00e1 se aplikuje p\u0159es \u0159ezy ve f\u00f3lii:<\/p>\n\n\n\n Metoda A (\u0159ez X):<\/strong> U n\u00e1t\u011brov\u00fdch syst\u00e9m\u016f s tlou\u0161\u0165kou nad 5 milimetr\u016f (125 \u00b5m) se provede \u0159ez X p\u0159es n\u00e1t\u011br, v m\u00edst\u011b pr\u016fse\u010d\u00edku se p\u0159ilo\u017e\u00ed p\u00e1ska a pot\u00e9 se rychle odstran\u00ed, aby se zkontrolovalo odstran\u011bn\u00ed n\u00e1t\u011bru.<\/p>\n\n\n\n Metoda B (p\u0159\u00ed\u010dn\u00fd \u0159ez):<\/strong> U n\u00e1t\u011br\u016f men\u0161\u00edch ne\u017e 5 milimetr\u016f (125 \u00b5m) se vy\u0159\u00edzne m\u0159\u00ed\u017ekov\u00fd nebo k\u0159\u00ed\u017eov\u00fd vzor a nalep\u00ed se a odstran\u00ed p\u00e1ska. Plocha se pak hodnot\u00ed podle normy ASTM D3359.<\/p>\n\n\n\n P\u0159i testu adheze na \u0161kr\u00e1b\u00e1n\u00ed se pou\u017e\u00edv\u00e1 v\u00e1\u017een\u00e1 v\u00e1ha se zaoblen\u00fdm hrotem. Pota\u017een\u00e1 deska se p\u0159itla\u010d\u00ed pod rydlo a p\u016fsob\u00ed se na ni st\u00e1le v\u011bt\u0161\u00ed vahou, dokud se f\u00f3lie neuvoln\u00ed. P\u0159ilnavost se uv\u00e1d\u00ed jako hmotnost (v kilogramech) pot\u0159ebn\u00e1 k odstran\u011bn\u00ed f\u00f3lie. V z\u00e1vislosti na povlaku a podkladu se mohou pou\u017e\u00edt normy ASTM, nap\u0159\u00edklad D2197, D2248, D2454 a D5178.<\/p>\n\n\n\n P\u0159i zkou\u0161ce no\u017eem se pomoc\u00ed kuchy\u0148sk\u00e9ho no\u017ee provede \u0159ez ve tvaru p\u00edsmene X skrz povlak a\u017e k podkladu. Pot\u00e9 se inspektor pokus\u00ed zvednout povlak ze substr\u00e1tu v m\u00edst\u011b vrcholu \u0159ezu. Tato metoda je velmi subjektivn\u00ed a jej\u00ed hodnota z\u00e1vis\u00ed na zku\u0161enostech inspektora. Norma pro tuto zkou\u0161ku je ASTM D6677.<\/p>\n\n\n\n Form\u00e1ln\u011bj\u0161\u00ed verz\u00ed zkou\u0161ky no\u017eem na kovov\u00fdch podkladech je zkou\u0161ka p\u00e1skou. Zahrnuje:<\/p>\n\n\n\n Test p\u00e1sky s \u0159ezem X:<\/strong> Provede se \u0159ez do X, \u0159ez se p\u0159elep\u00ed p\u00e1skou a pak se rychle odstran\u00ed. Odstran\u011bn\u00ed povlaku se zkontroluje a vyhodnot\u00ed.<\/p>\n\n\n\n Test k\u0159\u00ed\u017eov\u00e9ho \u0161rafov\u00e1n\u00ed p\u00e1sky:<\/strong> Vy\u0159\u00edzne se vzor k\u0159\u00ed\u017eov\u00e9ho \u0161rafov\u00e1n\u00ed (pomoc\u00ed speci\u00e1ln\u00ed \u0159eza\u010dky k\u0159\u00ed\u017eov\u00e9ho \u0161rafov\u00e1n\u00ed), nalep\u00ed se p\u00e1ska a pot\u00e9 se odstran\u00ed. Zku\u0161ebn\u00ed plocha se porovn\u00e1 s normami ASTM D3359.<\/p>\n\n\n\n Tato zkou\u0161ka, jak ji\u017e bylo pops\u00e1no, zahrnuje p\u0159ipevn\u011bn\u00ed panenky k povlaku pomoc\u00ed lepidla. Odtrh\u00e1vac\u00ed s\u00edla se postupn\u011b zvy\u0161uje, dokud se panenka neodd\u011bl\u00ed. Zkou\u0161ka je citliv\u00e1 na specifikace za\u0159\u00edzen\u00ed a tuhost podkladu a lze pou\u017e\u00edt r\u016fzn\u00e9 velikosti panenek (nap\u0159. 20 mm, 50 mm), aby vyhovovaly r\u016fzn\u00fdm pevnostem vazby.<\/p>\n\n\n\n V kontrolovan\u00e9m laboratorn\u00edm prost\u0159ed\u00ed se p\u0159i zkou\u0161ce se\u0161kr\u00e1b\u00e1n\u00edm pou\u017e\u00edv\u00e1 vyv\u00e1\u017een\u00fd paprskov\u00fd tester na se\u0161kr\u00e1b\u00e1n\u00ed a p\u0159ilnavost, kter\u00fd podle normy ASTM D2197 ur\u010duje s\u00edlu pot\u0159ebnou k odstran\u011bn\u00ed n\u00e1t\u011bru z hladk\u00e9ho, rovn\u00e9ho povrchu.<\/p>\n\n\n\n Zkou\u0161ky p\u0159ilnavosti barvy hodnot\u00ed, jak dob\u0159e barva nebo n\u00e1t\u011br p\u0159ilne k povrchu. Mezi b\u011b\u017en\u00e9 testy pat\u0159\u00ed:<\/p>\n\n\n\n Pr\u016f\u0159ezov\u00fd test:<\/strong> Do povlaku se vy\u0159\u00edzne m\u0159\u00ed\u017ekov\u00fd vzor, nalep\u00ed se tlakov\u011b citliv\u00e1 p\u00e1ska a pot\u00e9 se odstran\u00ed. P\u0159ilnavost se hodnot\u00ed obvykle na stupnici 0-5 podle normy ASTM D3359.<\/p>\n\n\n\n Zkou\u0161ka vyta\u017een\u00ed:<\/strong> K povrchu se p\u0159ipevn\u00ed panenka a p\u016fsob\u00ed se na ni tahovou silou, dokud se povlak neodd\u011bl\u00ed. Tato metoda je vhodn\u00e1 pro zkou\u0161en\u00ed na m\u00edst\u011b.<\/p>\n\n\n\n Zkou\u0161ka adheze po se\u0161kr\u00e1b\u00e1n\u00ed:<\/strong> M\u011b\u0159\u00ed s\u00edlu pot\u0159ebnou k se\u0161kr\u00e1bnut\u00ed povlaku z povrchu.<\/p>\n\n\n\n Zkou\u0161ka vypalov\u00e1n\u00ed:<\/strong> Dal\u0161\u00ed metoda pou\u017e\u00edvan\u00e1 k hodnocen\u00ed p\u0159ilnavosti n\u00e1t\u011bru.<\/p>\n\n\n\n Dal\u0161\u00ed metody zahrnuj\u00ed tahov\u00e9 zku\u0161ebn\u00ed stroje, kde se barva nan\u00e1\u0161\u00ed na podklad s vlo\u017een\u00fdm textiln\u00edm p\u00e1sem nebo mezi dva listy podkladu. Norma ASTM D2370 zahrnuje zkou\u0161ky prodlou\u017een\u00ed, pevnosti v tahu a tuhosti organick\u00fdch f\u00f3li\u00ed. P\u0159ilnavost\u00ed n\u00e1t\u011br\u016f na plastov\u00fdch podkladech pomoc\u00ed hlin\u00edkov\u00fdch trn\u016f se zab\u00fdv\u00e1 norma ASTM D5179.<\/p>\n\n\n\n P\u0159\u00edpravek podle normy ASTM D5179 se pou\u017e\u00edv\u00e1 pro p\u0159\u00edstrojov\u00e9 indenta\u010dn\u00ed zkou\u0161ky (nano- nebo mikroindentace) k m\u011b\u0159en\u00ed tvrdosti plast\u016f a elastomer\u016f. Mezi jeho kl\u00ed\u010dov\u00e9 vlastnosti pat\u0159\u00ed:<\/p>\n\n\n\n Induk\u010dn\u00ed mechanismus s tvrdou sondou<\/p>\n\n\n\n Stabiln\u00ed z\u00e1kladna pro bezpe\u010dnou oporu vzork\u016f<\/p>\n\n\n\n P\u0159esn\u00fd syst\u00e9m aplikace n\u00e1kladu<\/p>\n\n\n\n Syst\u00e9m m\u011b\u0159en\u00ed hloubky pro vyhodnocen\u00ed hloubky vtisku<\/p>\n\n\n\n Toto za\u0159\u00edzen\u00ed se \u0161iroce pou\u017e\u00edv\u00e1 p\u0159i kontrole kvality a v\u00fdzkumu a v\u00fdvoji v pr\u016fmyslov\u00fdch odv\u011btv\u00edch, jako je automobilov\u00fd a leteck\u00fd pr\u016fmysl a spot\u0159ebn\u00ed zbo\u017e\u00ed.<\/p>\n\n\n\n Mezi dal\u0161\u00ed relevantn\u00ed normy ASTM pat\u0159\u00ed:<\/p>\n\n\n\n ASTM D4145:<\/strong> Zkou\u0161ka ohybem pro stanoven\u00ed pru\u017enosti a p\u0159ilnavosti n\u00e1t\u011br\u016f na p\u0159edlakovan\u00fdch kovov\u00fdch podkladech.<\/p>\n\n\n\n ASTM 4146:<\/strong> Zkou\u0161ky tv\u00e1\u0159itelnosti a p\u0159ilnavosti tov\u00e1rn\u011b nan\u00e1\u0161en\u00fdch zinkochrom\u00e1tov\u00fdch z\u00e1kladn\u00edch n\u00e1t\u011br\u016f na ocel.<\/p>\n\n\n\n Zkou\u0161ky tvrdosti (tvrdost tu\u017eky, \u0161t\u011brkom\u011br, r\u00e1zov\u00e9 zkou\u0161ky, ohyb na trnu), kter\u00e9 rovn\u011b\u017e zaznamen\u00e1vaj\u00ed odlupov\u00e1n\u00ed povlaku nebo ztr\u00e1tu p\u0159ilnavosti.<\/p>\n\n\n\n Pro hodnocen\u00ed odolnosti n\u00e1t\u011br\u016f se pou\u017e\u00edvaj\u00ed t\u0159i z\u00e1kladn\u00ed testy p\u0159ilnavosti:<\/p>\n\n\n\n Test k\u0159\u00ed\u017eov\u00e9ho \u0159ezu:<\/strong> P\u0159es n\u00e1t\u011br se provedou \u0159ezy, nalep\u00ed se a odstran\u00ed p\u00e1ska a vyhodnot\u00ed se p\u0159ilnavost podle normy ASTM D3359.<\/p>\n\n\n\n Test se\u0161kr\u00e1b\u00e1n\u00ed:<\/strong> P\u0159i t\u00e9to zkou\u0161ce prov\u00e1d\u011bn\u00e9 v laborato\u0159i se m\u011b\u0159\u00ed s\u00edla pot\u0159ebn\u00e1 k se\u0161kr\u00e1bnut\u00ed n\u00e1t\u011bru z podkladu (ASTM D2197).<\/p>\n\n\n\n Zkou\u0161ka vyta\u017een\u00ed:<\/strong> M\u011b\u0159\u00ed tahov\u00e9 nap\u011bt\u00ed pot\u0159ebn\u00e9 k odstran\u011bn\u00ed povlaku pomoc\u00ed panenky v souladu s normami ASTM D4541 a ISO 4624.<\/p>\n\n\n\n Tyto zkou\u0161ky kvantifikuj\u00ed pevnost spojen\u00ed mezi n\u00e1t\u011brem a podkladem nebo mezi v\u00edce vrstvami a zaji\u0161\u0165uj\u00ed, \u017ee n\u00e1t\u011bry spl\u0148uj\u00ed normy kvality a spolehliv\u011b funguj\u00ed.<\/p>\n\n\n\n Ochrann\u00e9 a kosmetick\u00e9 n\u00e1t\u011bry jsou nezbytn\u00e9 od nejv\u011bt\u0161\u00edch konstrukc\u00ed vytvo\u0159en\u00fdch \u010dlov\u011bkem a\u017e po nejmen\u0161\u00ed dom\u00e1c\u00ed spot\u0159ebi\u010de. Zkou\u0161ky adheze umo\u017e\u0148uj\u00ed kvantitativn\u00ed posouzen\u00ed pevnosti vazby mezi n\u00e1t\u011bry a podklady, co\u017e pom\u00e1h\u00e1 odhalit p\u0159\u00edpadn\u00e9 poruchy a zajistit dlouhodobou \u017eivotnost. D\u016fsledn\u00e9 pou\u017e\u00edv\u00e1n\u00ed standardizovan\u00fdch zku\u0161ebn\u00edch metod je z\u00e1sadn\u00ed pro udr\u017een\u00ed kvality a sn\u00ed\u017een\u00ed n\u00e1klad\u016f na p\u0159epracov\u00e1n\u00ed.<\/p>\n\n\n\n V\u017edy v\u011b\u0159\u00edme, \u017ee charakter \u010dlov\u011bka ur\u010duje vysokou kvalitu v\u00fdrobku a detaily ur\u010duj\u00ed dokonalost v\u00fdrobku. S duchem hled\u00e1n\u00ed pravdy, efektivn\u00edmi a inovativn\u00edmi zam\u011bstnanci pro Tester t\u011bsnosti a t\u011bsnosti<\/a>,Tester pap\u00edrov\u00fdch desek<\/a>,Tester lepivosti<\/a>,Testov\u00e1n\u00ed plast\u016f<\/a>,Za\u0159\u00edzen\u00ed pro testov\u00e1n\u00ed t\u011bsnosti<\/a>,Testov\u00e1n\u00ed zdravotnick\u00fdch prost\u0159edk\u016f<\/a>,Testov\u00e1n\u00ed kontejner\u016f<\/a>,Testov\u00e1n\u00ed elektroniky<\/a><\/p>\n\n\n\n Pokud m\u00e1te z\u00e1jem o dal\u0161\u00ed informace o tomto produktu, nev\u00e1hejte n\u00e1s kontaktovat. Doporu\u010dujeme v\u00e1m dal\u0161\u00ed obl\u00edben\u00e9 produkty: Testov\u00e1n\u00ed p\u0159ilnavosti<\/a>, Laboratorn\u00ed tester hork\u00e9ho lepidla<\/a>, testov\u00e1n\u00ed plastov\u00fdch f\u00f3li\u00ed<\/a>, V\u00fdrobce testeru flex gelbo<\/a>, Tov\u00e1rna na testov\u00e1n\u00ed za tepla<\/a>, V\u00fdrobce Gelbo Flex Tester<\/a>, Dodavatel testeru Gelbo Flex<\/a>, Slu\u017eby Gelbo Flex Tester<\/a>, \u0158e\u0161en\u00ed pro testov\u00e1n\u00ed t\u011bsnosti a t\u011bsnosti<\/a>, Tov\u00e1rna na testov\u00e1n\u00ed plastov\u00fdch f\u00f3li\u00ed<\/a>, Tov\u00e1rna na testov\u00e1n\u00ed plastov\u00fdch f\u00f3li\u00ed<\/a>, \u0158e\u0161en\u00ed Gelbo Flex Tester<\/a>, V\u00fdrobce pap\u00edrov\u00fdch desek Tester<\/a>, Tester odolnosti Flex<\/a>, V\u00fdrobce testeru odolnosti Flex<\/a>, Dodavatel testeru odolnosti Flex<\/a>, Slu\u017eby Flex Durability Tester<\/a>, \u0158e\u0161en\u00ed Flex Durability Tester<\/a><\/p>","protected":false},"excerpt":{"rendered":" Plastic Film Tester | for Paints and Coatings For coatings to perform satisfactorily, they must adhere to the substrate on which they are applied. A variety of recognized methods can be used to determine how well a coating is bonded to the substrate. Common measuring techniques include mechanical adhesion testing, plastics testing, or using a […]<\/p>","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-926","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.materialstests.com\/cs\/wp-json\/wp\/v2\/posts\/926","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.materialstests.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.materialstests.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.materialstests.com\/cs\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.materialstests.com\/cs\/wp-json\/wp\/v2\/comments?post=926"}],"version-history":[{"count":0,"href":"https:\/\/www.materialstests.com\/cs\/wp-json\/wp\/v2\/posts\/926\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.materialstests.com\/cs\/wp-json\/wp\/v2\/media?parent=926"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.materialstests.com\/cs\/wp-json\/wp\/v2\/categories?post=926"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.materialstests.com\/cs\/wp-json\/wp\/v2\/tags?post=926"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Zkou\u0161ka p\u0159ilnavosti zatla\u010den\u00edm<\/h4>\n\n\n\n
Zkou\u0161ka p\u0159ilnavosti no\u017e\u016f<\/h4>\n\n\n\n
Zkou\u0161ky p\u0159ilnavosti p\u00e1sky<\/h4>\n\n\n\n
Zkou\u0161ka p\u0159ilnavosti se\u0161kr\u00e1b\u00e1n\u00edm<\/h4>\n\n\n\n
![\"Zkou\u0161e\u010dky](\"https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Adhesion-Testers-for-Paints-and-Coatings.png\")
<\/figure>\n\n\n\nDal\u0161\u00ed metody zkou\u0161en\u00ed adheze<\/h3>\n\n\n\n
Zkou\u0161ka no\u017eem<\/h4>\n\n\n\n
Test p\u00e1sky<\/h4>\n\n\n\n
Zkou\u0161ka p\u0159ilnavosti vyta\u017een\u00edm (opakovan\u00e1)<\/h4>\n\n\n\n
\u0160krabac\u00ed test (opakovan\u00fd)<\/h4>\n\n\n\n
Zkou\u0161ky p\u0159ilnavosti n\u00e1t\u011bru<\/h2>\n\n\n\n
Dal\u0161\u00ed metody a normy pro zkou\u0161en\u00ed adheze<\/h2>\n\n\n\n
ASTM D5179 P\u0159\u00edpravek<\/h3>\n\n\n\n
Dal\u0161\u00ed normy<\/h3>\n\n\n\n
Metody a normy ASTM pro zkou\u0161en\u00ed p\u0159ilnavosti n\u00e1t\u011br\u016f<\/h2>\n\n\n\n
Z\u00e1v\u011br<\/h2>\n\n\n\n