{"id":16351,"date":"2026-06-02T18:55:19","date_gmt":"2026-06-02T10:55:19","guid":{"rendered":"https:\/\/rysilicone.com\/?p=16351"},"modified":"2026-06-02T19:00:12","modified_gmt":"2026-06-02T11:00:12","slug":"silicone-mechanical-properties","status":"publish","type":"post","link":"https:\/\/rysilicone.com\/tr\/silicone-mechanical-properties\/","title":{"rendered":"Silikonun Mekanik \u00d6zellikleri: \u00c7ekme Mukavemeti, Uzama, Y\u0131rt\u0131lma ve S\u0131k\u0131\u015ft\u0131rma Kal\u0131c\u0131 Deformasyonu"},"content":{"rendered":"

Silikonla ilgili mekanik verilerin \u00e7o\u011fu, "esnek" ve "dayan\u0131kl\u0131" gibi genel s\u0131fatlar i\u00e7eren, say\u0131sal veri ve test y\u00f6ntemi bulunmayan ansiklopedik bilgiler aras\u0131nda kayboluyor. Bir conta, tu\u015f tak\u0131m\u0131, s\u0131zd\u0131rmazl\u0131k eleman\u0131 veya kal\u0131planm\u0131\u015f par\u00e7a belirtiyorsan\u0131z, bu bo\u015fluk size zaman kaybettirir ve kal\u0131plama i\u015fleminden \u00f6nce yanl\u0131\u015f sertlik veya y\u0131rt\u0131lma dayan\u0131m\u0131 \u00f6zelli\u011fini belirleme riskini art\u0131r\u0131r.<\/p>\n\n\n\n

Silikon kau\u00e7uk (VMQ<\/a>Bu kau\u00e7uk, nitril veya do\u011fal kau\u00e7u\u011fa g\u00f6re ham \u00e7ekme dayan\u0131m\u0131nda daha d\u00fc\u015f\u00fck de\u011ferlere sahiptir (tipik olarak 4-11 MPa), ancak 200-800 % uzama \u00f6zelli\u011fine sahiptir ve bu mekanik davran\u0131\u015f\u0131 -60 \u00b0C ile +230 \u00b0C aras\u0131nda korur. Bu denge, en y\u00fcksek dayan\u0131m de\u011fil, bu malzemenin tercih edilmesinin nedenidir.<\/strong><\/p>\n\n\n\n

A\u015fa\u011f\u0131daki b\u00f6l\u00fcmlerde \u00e7al\u0131\u015fma rakamlar\u0131, her birinin arkas\u0131ndaki ASTM y\u00f6ntemi ve bu rakamlar\u0131n ge\u00e7erlili\u011finin sona erdi\u011fi noktalar verilmi\u015ftir.<\/p>\n\n\n\n

Silikonun Mekanik \u00d6zelliklerine Genel Bak\u0131\u015f<\/h2>\n\n\n\n

Bunlar, silikonun daha geni\u015f \u00fcr\u00fcn yelpazesi i\u00e7erisinde yer alan genel ama\u00e7l\u0131 silikon kau\u00e7uk serileridir. fiziksel m\u00fclk zarf\u0131<\/a> \u2014 bak\u0131n\u0131z eksiksiz m\u00fclk rehberi<\/a> Tam resmi g\u00f6rmek i\u00e7in. Ger\u00e7ek de\u011ferler, temel polimere, dolgu maddesi miktar\u0131na, k\u00fcrleme sistemine ve son k\u00fcrlemeye ba\u011fl\u0131d\u0131r. Bunlar\u0131 veri sayfas\u0131 yerine de\u011fil, ba\u015flang\u0131\u00e7 aral\u0131\u011f\u0131 olarak de\u011ferlendirin.<\/p>\n\n\n\n

M\u00fclk<\/strong><\/th>Tipik Aral\u0131k (Genel Ama\u00e7l\u0131 Silikon)<\/strong><\/th>Test Standard<\/strong><\/th><\/tr><\/thead>
Gerilme direnci<\/td>4\u201311 MPa (y\u00fcksek mukavemetli s\u0131n\u0131flar ~13 MPa'ya kadar)<\/td>ASTM D412<\/td><\/tr>
Kopma an\u0131nda uzama<\/td>200\u2013800%<\/td>ASTM D412<\/td><\/tr>
100% mod\u00fcl\u00fc (M100)<\/td>0,5\u20133 MPa<\/td>ASTM D412<\/td><\/tr>
Y\u0131rt\u0131lma dayan\u0131m\u0131<\/td>10\u201355 kN\/m<\/td>ASTM D624<\/td><\/tr>
S\u0131k\u0131\u015ft\u0131rma seti<\/td>10\u201340% (tam iyile\u015fme sonras\u0131 daha d\u00fc\u015f\u00fck)<\/td>ASTM D395<\/td><\/tr>
Sertlik<\/td>K\u0131y\u0131 A 10\u201380<\/td>ASTM D2240<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
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Silikonun mekanik \u00f6zellikleri bir bak\u0131\u015fta: ASTM test standartlar\u0131na g\u00f6re \u00e7ekme dayan\u0131m\u0131, uzama, 100% mod\u00fcl\u00fc, y\u0131rt\u0131lma dayan\u0131m\u0131, s\u0131k\u0131\u015ft\u0131rma kal\u0131c\u0131 deformasyonu ve sertlik.<\/figcaption><\/figure>\n\n\n\n

<\/p>\n\n\n\n

Gerilme direnci<\/h2>\n\n\n\n

\u00c7ekme dayan\u0131m\u0131, bir silikon par\u00e7an\u0131n gerilme alt\u0131nda k\u0131r\u0131lmadan \u00f6nce dayanabildi\u011fi gerilimdir ve bir damb\u0131l numunesi \u00fczerinde \u00f6l\u00e7\u00fcl\u00fcr. ASTM D412<\/a>. Genel ama\u00e7l\u0131 silikon \u015furada bulunur: 4\u201311 MPa<\/strong>. Y\u00fcksek mukavemetli ve y\u00fcksek y\u0131rt\u0131lma dayan\u0131ml\u0131 s\u0131n\u0131flar yakla\u015f\u0131k 13 MPa'ya ula\u015f\u0131r.<\/p>\n\n\n\n

Bu de\u011fer do\u011fal kau\u00e7uk veya nitril kau\u00e7uktan daha d\u00fc\u015f\u00fckt\u00fcr ve pratikte nadiren s\u0131n\u0131rlay\u0131c\u0131 fakt\u00f6r olur. Silikon, uzama, s\u0131k\u0131\u015ft\u0131rma kal\u0131c\u0131 deformasyonu ve s\u0131cakl\u0131k kararl\u0131l\u0131\u011f\u0131n\u0131n en y\u00fcksek \u00e7ekme dayan\u0131m\u0131ndan daha \u00f6nemli oldu\u011fu s\u0131zd\u0131rmazl\u0131k, yal\u0131t\u0131m ve yumu\u015fak dokunu\u015flu par\u00e7alar i\u00e7in belirtilmi\u015ftir. Dolum t\u00fcr\u00fc ve y\u00fckleme<\/a> say\u0131y\u0131 en \u00e7ok hareket ettiren: peki\u015ftiren dumanl\u0131 silika<\/a> \u00c7ekme dayan\u0131m\u0131n\u0131 art\u0131r\u0131rken, a\u011f\u0131r uzat\u0131c\u0131 dolgu maddeleri maliyeti d\u00fc\u015f\u00fcrmek i\u00e7in \u00e7ekme dayan\u0131m\u0131n\u0131 azalt\u0131r.<\/p>\n\n\n\n

E\u011fer bir par\u00e7a ger\u00e7ekten gerilme alt\u0131nda y\u00fck ta\u015f\u0131yorsa, silikon genellikle yanl\u0131\u015f malzemedir; bu bir tasar\u0131m s\u0131n\u0131r\u0131d\u0131r, ayar yaparak a\u015fabilece\u011finiz bir kalite s\u0131n\u0131r\u0131 de\u011fildir.<\/p>\n\n\n\n

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ASTM D412 \u00e7ekme testi diyagram\u0131: Tutma yerleriyle tutulan ve \u00e7ekme dayan\u0131m\u0131 ile uzamay\u0131 \u00f6l\u00e7mek i\u00e7in gerilime maruz b\u0131rak\u0131lan, damb\u0131l \u015feklinde silikon bir numune.<\/figcaption><\/figure>\n\n\n\n

<\/p>\n\n\n\n

Kopma An\u0131ndaki Uzama (Esneklik ve Esneklik)<\/h2>\n\n\n\n

Kopma uzamas\u0131, silikonun kopmadan \u00f6nce ne kadar uzad\u0131\u011f\u0131n\u0131 ifade eder ve orijinal uzunlu\u011funun y\u00fczdesi olarak \u00f6l\u00e7\u00fcl\u00fcr; bu de\u011fer, \u00e7ekme dayan\u0131m\u0131 ile ayn\u0131 ASTM D412 numunesi \u00fczerinde \u00f6l\u00e7\u00fcl\u00fcr. Tipik silikon \u00fcretim s\u00fcre\u00e7leri. 200\u2013800%<\/strong>, Daha yumu\u015fak, d\u00fc\u015f\u00fck sertlik dereceli \u00fcr\u00fcnler ise en \u00fcst seviyede yer almaktad\u0131r.<\/p>\n\n\n\n

Silikonun "esnekli\u011fi ve b\u00fck\u00fclebilirli\u011finin" ard\u0131ndaki \u00f6zellik budur. 30 Shore A sertli\u011findeki bir emzi\u011fin, esnek bir kapa\u011f\u0131n veya bir k\u00f6r\u00fc\u011f\u00fcn tekrar tekrar deforme olmas\u0131na ve eski haline d\u00f6nmesine olanak tan\u0131r. Uzama ve sertlik ters orant\u0131l\u0131d\u0131r: daha sert bir par\u00e7a i\u00e7in durometre de\u011feri artt\u0131k\u00e7a, uzama azal\u0131r.<\/p>\n\n\n\n

100% Mod\u00fcl\u00fc (M100 \/ M300)<\/h3>\n\n\n\n

Mod\u00fcl, numuneyi belirli bir uzamaya kadar germek i\u00e7in gereken gerilmedir \u2014 100% gerilmede M100, 300% gerilmede M300 \u2014 bu de\u011fer D412 testinden de okunur. Silikonun M100 de\u011feri tipik olarak \u015fu aral\u0131ktad\u0131r: 0,5\u20133 MPa<\/strong>.<\/p>\n\n\n\n

Tu\u015f tak\u0131mlar\u0131 ve membranlar gibi tekrarlanan d\u00fc\u015f\u00fck gerilimli b\u00fck\u00fclmelere maruz kalan par\u00e7alar i\u00e7in elastikiyet mod\u00fcl\u00fc, \u00e7ekme dayan\u0131m\u0131ndan daha \u00f6nemlidir. Bu mod\u00fcl, tasar\u0131mc\u0131n\u0131n ger\u00e7ekte hissetti\u011fi ve belirtti\u011fi, deformasyona yol a\u00e7an kuvveti tan\u0131mlar. \u0130ki farkl\u0131 kalite ayn\u0131 \u00e7ekme dayan\u0131m\u0131na sahip olabilir ancak elastikiyet mod\u00fcl\u00fc e\u011frileri farkl\u0131 oldu\u011fu i\u00e7in kullan\u0131mda \u00e7ok farkl\u0131 davranabilirler.<\/p>\n\n\n\n

Y\u0131rt\u0131lma Mukavemeti<\/h2>\n\n\n\n

Y\u0131rt\u0131lma dayan\u0131m\u0131, yay\u0131lan bir kesik veya \u00e7enti\u011fe kar\u015f\u0131 diren\u00e7tir ve birim ba\u015f\u0131na \u00f6l\u00e7\u00fcl\u00fcr. ASTM D624<\/strong><\/a> (genellikle Kal\u0131p B veya Kal\u0131p C) ve kN\/m cinsinden raporlan\u0131r. Silikonun dayan\u0131m aral\u0131\u011f\u0131 \u015f\u00f6yledir: 10\u201355 kN\/m<\/strong>Genel ama\u00e7l\u0131 silikon \u00e7e\u015fitleri alt s\u0131ralarda yer al\u0131rken, y\u00fcksek y\u0131rt\u0131lma diren\u00e7li silikon form\u00fclasyonlar\u0131 \u00fcst s\u0131ralarda yer almaktad\u0131r.<\/p>\n\n\n\n

\u0130nce cidarl\u0131 par\u00e7alar\u0131n ve keskin i\u00e7 k\u00f6\u015feleri olan par\u00e7alar\u0131n kal\u0131ptan \u00e7\u0131kar\u0131lmaya ve saha kullan\u0131m\u0131na dayan\u0131p dayanmayaca\u011f\u0131na karar veren \u00f6zellik, \u00e7ekme dayan\u0131m\u0131 de\u011fil, y\u0131rt\u0131lma dayan\u0131m\u0131d\u0131r. Bebek \u00fcr\u00fcnleri, ince membranlar ve dar yar\u0131\u00e7apl\u0131 par\u00e7alar y\u00fcksek y\u0131rt\u0131lma dayan\u0131m\u0131 s\u0131n\u0131f\u0131na g\u00f6re fiyatland\u0131r\u0131lmal\u0131d\u0131r. Kal\u0131n bir par\u00e7ada kozmetik bir kusur olabilecek bir \u00e7izik, ince bir par\u00e7ada y\u0131rt\u0131lmay\u0131 ba\u015flatan bir nokta haline gelir.<\/p>\n\n\n\n

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ASTM D624 y\u0131rt\u0131lma dayan\u0131m\u0131 test diyagram\u0131: \u00c7ekme kuvveti alt\u0131nda \u00e7entikten yay\u0131lan \u00e7atlak nedeniyle y\u0131rt\u0131lan \u00e7entikli bir silikon numunesi.<\/figcaption><\/figure>\n\n\n\n

<\/p>\n\n\n\n

S\u0131k\u0131\u015ft\u0131rma seti<\/h2>\n\n\n\n

S\u0131k\u0131\u015ft\u0131rma kal\u0131c\u0131 deformasyonu, bir silikon par\u00e7a s\u0131k\u0131\u015ft\u0131r\u0131ld\u0131ktan sonra serbest b\u0131rak\u0131ld\u0131\u011f\u0131nda ne kadar kal\u0131c\u0131 deformasyonun kald\u0131\u011f\u0131n\u0131 \u00f6l\u00e7er \u2014 test edilir. ASTM D395<\/a> (Y\u00f6ntem B, sabit sapma). Daha d\u00fc\u015f\u00fck bir y\u00fczde daha iyidir. Silikon akar. 10\u201340%<\/strong>, Ve tam bir k\u00fcrleme sonras\u0131 i\u015flem, onu d\u00fc\u015f\u00fck seviyelere do\u011fru itiyor.<\/p>\n\n\n\n

Bu, silikonu tan\u0131mlayan \u00f6zelliktir. conta veya s\u0131zd\u0131rmazl\u0131k<\/a>. D\u00fc\u015f\u00fck s\u0131k\u0131\u015ft\u0131rma kal\u0131c\u0131 deformasyonu, silikonun geni\u015f s\u0131cakl\u0131k de\u011fi\u015fimlerinde statik s\u0131zd\u0131rmazl\u0131kta \u00e7o\u011fu elastomerden daha iyi performans g\u00f6stermesinin ana nedenidir: s\u0131k\u0131\u015ft\u0131r\u0131lm\u0131\u015f halde kal\u0131r ve s\u0131zd\u0131rmazl\u0131\u011f\u0131 korur, kal\u0131c\u0131 deformasyona u\u011framaz.<\/p>\n\n\n\n

K\u00fcrleme sistemi ve son k\u00fcrleme, de\u011feri belirler. Uygun bir son k\u00fcrleme ile platin k\u00fcrlenmi\u015f silikon d\u00fc\u015f\u00fck s\u0131k\u0131\u015ft\u0131rma kal\u0131c\u0131 deformasyonu sa\u011flar; yetersiz k\u00fcrlenmi\u015f veya yeterli son k\u00fcrleme yap\u0131lmam\u0131\u015f peroksit k\u00fcrlenmi\u015f malzeme ise sa\u011flamaz. Uzun s\u00fcreli s\u0131zd\u0131rmazl\u0131k i\u015flevi s\u00f6z konusuysa, veri sayfas\u0131nda talep edilmesi gereken de\u011fer, kal\u0131ptan \u00e7\u0131km\u0131\u015f haldeki de\u011fer de\u011fil, son k\u00fcrlemeden sonraki s\u0131k\u0131\u015ft\u0131rma kal\u0131c\u0131 deformasyonudur.<\/p>\n\n\n\n

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ASTM D395 s\u0131k\u0131\u015ft\u0131rma kal\u0131c\u0131 deformasyon testi diyagram\u0131: orijinal haldeki, plakalar aras\u0131nda s\u0131k\u0131\u015ft\u0131r\u0131lm\u0131\u015f ve serbest b\u0131rak\u0131ld\u0131ktan sonra hafif kal\u0131c\u0131 deformasyona u\u011fram\u0131\u015f bir silikon O-ring g\u00f6sterilmi\u015ftir.<\/figcaption><\/figure>\n\n\n\n

<\/p>\n\n\n\n

Sertli\u011fin Mekanik De\u011ferlerle Ba\u011flant\u0131s\u0131<\/h2>\n\n\n\n

Sertlik (durometre) \u015fu \u015fekilde \u00f6l\u00e7\u00fcl\u00fcr: ASTM D2240<\/a> Shore A \u00f6l\u00e7e\u011finde, silikon genellikle \u015fu kaynaklardan temin edilebilir: K\u0131y\u0131 A 10 ila 80<\/strong>. Sertlik bir mukavemet de\u011feri de\u011fildir, ancak di\u011fer de\u011ferlerin en h\u0131zl\u0131 g\u00f6stergesidir: daha yumu\u015fak kaliteler daha fazla esner (daha y\u00fcksek uzama) ve daha esnek bir his verir (daha d\u00fc\u015f\u00fck mod\u00fcl); daha sert kaliteler deformasyona diren\u00e7 g\u00f6sterir ancak uzama \u00f6zelli\u011fini kaybeder.<\/p>\n\n\n\n

Tedarik g\u00f6r\u00fc\u015fmelerinin \u00e7o\u011funda, sertlik derecesi (durometre) ilk belirleyici fakt\u00f6rd\u00fcr. \u00c7ekme dayan\u0131m\u0131, y\u0131rt\u0131lma dayan\u0131m\u0131 ve elastikiyet mod\u00fcl\u00fc de\u011ferleri de buna ba\u011fl\u0131 olarak de\u011fi\u015fir.<\/p>\n\n\n\n

\u0130lgili:<\/strong> Silikon Shore A Sertli\u011fi: Dokunma Hissi, S\u0131zd\u0131rmazl\u0131k ve Dayan\u0131kl\u0131l\u0131k \u00dczerindeki Etkileri<\/a> \u2014 Yumu\u015fak ve sert silikon ile kullan\u0131m alan\u0131na g\u00f6re sertlik derecesi se\u00e7imine dair kapsaml\u0131 k\u0131lavuz.<\/p>\n\n\n\n

Silikon ve Di\u011fer Elastomerler<\/h2>\n\n\n\n

Mekanik de\u011ferler ancak kar\u015f\u0131la\u015ft\u0131rma yap\u0131ld\u0131\u011f\u0131nda bir anlam ifade eder. Yayg\u0131n kau\u00e7uklara k\u0131yasla silikon, ham mukavemetten \u00f6d\u00fcn vererek s\u0131cakl\u0131k aral\u0131\u011f\u0131, s\u0131k\u0131\u015ft\u0131rma kal\u0131c\u0131 deformasyonu ve ya\u015flanma direncini \u00f6ne \u00e7\u0131kar\u0131r.<\/p>\n\n\n\n

M\u00fclk<\/strong><\/th>Silikon (VMQ)<\/strong><\/th>Do\u011fal Kau\u00e7uk (NR)<\/strong><\/th>EPDM<\/strong><\/th>Nitril (NBR)<\/strong><\/th><\/tr><\/thead>
Gerilme direnci<\/td>4\u201311 MPa<\/td>20\u201330 MPa<\/td>7\u201321 MPa<\/td>10\u201325 MPa<\/td><\/tr>
Kopma an\u0131nda uzama<\/td>200\u2013800%<\/td>400\u2013700%<\/td>200\u2013600%<\/td>300\u2013600%<\/td><\/tr>
Y\u0131rt\u0131lma dayan\u0131m\u0131<\/td>D\u00fc\u015f\u00fck-orta<\/td>Y\u00fcksek<\/td>Il\u0131man<\/td>Il\u0131man<\/td><\/tr>
S\u0131k\u0131\u015ft\u0131rma seti<\/td>M\u00fckemmel (d\u00fc\u015f\u00fck)<\/td>Fakir<\/td>\u0130yi<\/td>Il\u0131man<\/td><\/tr>
Servis s\u0131cakl\u0131\u011f\u0131<\/td>-60 ila +230 \u00b0C<\/td>-50 ila +80 \u00b0C<\/td>-50 ila +150 \u00b0C<\/td>-30 ila +120 \u00b0C<\/td><\/tr>
UV \/ ozon \/ ya\u015flanma<\/td>Harika<\/td>Fakir<\/td>Harika<\/td>Fakir<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u00d6zetle, par\u00e7an\u0131n oda s\u0131cakl\u0131\u011f\u0131nda en y\u00fcksek \u00e7ekme veya y\u0131rt\u0131lma dayan\u0131m\u0131na ihtiyac\u0131 varsa, mekanik \u00f6zellikler a\u00e7\u0131s\u0131ndan NR veya NBR \u00f6ne \u00e7\u0131kar. G\u00fcvenilir bir \u015fekilde s\u0131zd\u0131rmazl\u0131k sa\u011flamas\u0131 gerekiyorsa, \u0131s\u0131ya dayan\u0131kl\u0131<\/a> Ayr\u0131ca hava ko\u015fullar\u0131na kar\u015f\u0131 dayan\u0131kl\u0131l\u0131\u011f\u0131 ve y\u0131llar boyunca \u015feklini korumas\u0131 bak\u0131m\u0131ndan silikonun daha d\u00fc\u015f\u00fck mukavemeti kabul edilebilir bir \u00f6d\u00fcnt\u00fcr.<\/p>\n\n\n\n

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Silikonun (VMQ), do\u011fal kau\u00e7uk, EPDM ve nitrilin \u00e7ekme dayan\u0131m\u0131 ve \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131n\u0131 kar\u015f\u0131la\u015ft\u0131ran ve silikonun dayan\u0131m-s\u0131cakl\u0131k dengesini g\u00f6steren \u00e7ubuk grafik.<\/figcaption><\/figure>\n\n\n\n

<\/p>\n\n\n\n

Bu Say\u0131lar\u0131n Ge\u00e7erlili\u011fini Kaybetti\u011fi Nokta<\/h2>\n\n\n\n

Yukar\u0131daki her aral\u0131k, kalite ve i\u015fleme ba\u011fl\u0131d\u0131r. Dolgu sistemi, k\u00fcrleme kimyas\u0131 ve son k\u00fcrleme, \u00e7ekme dayan\u0131m\u0131, y\u0131rt\u0131lma ve s\u0131k\u0131\u015ft\u0131rma kal\u0131c\u0131 deformasyonunu t\u00fcm aral\u0131k boyunca de\u011fi\u015ftirebilir; "silikon" olarak etiketlenmi\u015f iki par\u00e7a, y\u0131rt\u0131lma dayan\u0131m\u0131nda 2 kat farkl\u0131l\u0131k g\u00f6sterebilir. Yay\u0131nlanan rakam ayr\u0131ca laboratuvar numunelerini yans\u0131t\u0131r, duvar kal\u0131nl\u0131\u011f\u0131n\u0131z\u0131, geometrinizi veya kal\u0131ptan \u00e7\u0131karma gerilimlerinizi de\u011fil.<\/p>\n\n\n\n

Bu rakamlar\u0131n ger\u00e7ek bir spesifikasyon haline gelmesi i\u00e7in \u00fc\u00e7 girdi gereklidir: hedef Shore A sertli\u011fi, kontrol fonksiyonu (statik s\u0131zd\u0131rmazl\u0131k, dinamik esneklik veya yap\u0131sal) ve \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131 aral\u0131\u011f\u0131. Bunlarla birlikte, mekanik s\u0131n\u0131f h\u0131zla daral\u0131r. Bunlar olmadan, herhangi bir tek \u00e7ekme veya y\u0131rt\u0131lma de\u011feri sadece bir veri noktas\u0131d\u0131r, bir spesifikasyon de\u011fildir.<\/p>\n\n\n\n

SSS<\/h2>\n\n\n
\n
\n
\n

Silikon kau\u00e7u\u011fun \u00e7ekme dayan\u0131m\u0131 nedir?<\/strong><\/h3>\n
\n\n

Genel ama\u00e7l\u0131 silikon, ASTM D412 standard\u0131na g\u00f6re 4-11 MPa aras\u0131nda de\u011fi\u015fen bir dayan\u0131m de\u011ferine sahipken, y\u00fcksek dayan\u0131ml\u0131 \u00e7e\u015fitleri yakla\u015f\u0131k 13 MPa'ya kadar \u00e7\u0131kabilmektedir. Bu de\u011fer, nitril veya do\u011fal kau\u00e7uktan daha d\u00fc\u015f\u00fckt\u00fcr.<\/p>\n\n<\/div>\n<\/div>\n

\n

Silikon k\u0131r\u0131lmadan \u00f6nce ne kadar esneyebilir?<\/strong><\/h3>\n
\n\n

Kopma uzamas\u0131 tipik olarak 200\u2013800%'dir. Daha yumu\u015fak, d\u00fc\u015f\u00fck sertlik dereceli olanlar en fazla esner.<\/p>\n\n<\/div>\n<\/div>\n

\n

Silikonun s\u0131k\u0131\u015ft\u0131rma \u00f6zelli\u011fi iyi midir?<\/strong><\/h3>\n
\n\n

Evet. Yakla\u015f\u0131k 10\u201340% (tam k\u00fcrleme sonras\u0131 daha d\u00fc\u015f\u00fck) sertli\u011finde silikon, \u00e7o\u011fu elastomerden daha iyi bir \u015fekilde s\u00fcrekli s\u0131k\u0131\u015ft\u0131rma alt\u0131nda \u015feklini korur; bu nedenle contalar ve s\u0131zd\u0131rmazl\u0131k elemanlar\u0131nda kullan\u0131l\u0131r.<\/p>\n\n<\/div>\n<\/div>\n

\n

Silikon mu yoksa EPDM mi daha g\u00fc\u00e7l\u00fc?<\/strong><\/h3>\n
\n\n

Silikon mu yoksa EPDM mi daha g\u00fc\u00e7l\u00fc?<\/strong><\/p>\n\n<\/div>\n<\/div>\n

\n

Silikonun \u00e7ekme dayan\u0131m\u0131 d\u00fc\u015f\u00fck, uzama \u00f6zelli\u011fi ise y\u00fcksek olmas\u0131n\u0131n sebebi nedir?<\/strong><\/h3>\n
\n\n

Silikonun esnek siloksan (Si\u2013O) omurgas\u0131 kolayca esner ve 200\u2013800 % uzama sa\u011flar, ancak ayn\u0131 d\u00fc\u015f\u00fck molek\u00fcller aras\u0131 kuvvetler \u00e7ekme dayan\u0131m\u0131n\u0131 4\u201311 MPa ile s\u0131n\u0131rland\u0131r\u0131r. Dumanl\u0131 silika gibi takviye edici dolgu maddeleri, esnekli\u011fi fazla feda etmeden \u00e7ekme dayan\u0131m\u0131n\u0131 art\u0131r\u0131r.<\/p>\n\n<\/div>\n<\/div>\n

\n

Silikonun y\u0131rt\u0131lma dayan\u0131m\u0131 i\u00e7in hangi ASTM standard\u0131 kullan\u0131l\u0131r?<\/strong><\/h3>\n
\n\n

Y\u0131rt\u0131lma dayan\u0131m\u0131, ASTM D624 standard\u0131na (genellikle Kal\u0131p B veya Kal\u0131p C) g\u00f6re \u00f6l\u00e7\u00fcl\u00fcr ve kN\/m cinsinden raporlan\u0131r. Genel ama\u00e7l\u0131 silikonlar 10\u201355 kN\/m aral\u0131\u011f\u0131nda olup, y\u00fcksek y\u0131rt\u0131lma dayan\u0131m\u0131na sahip \u00fcr\u00fcnler \u00fcst s\u0131n\u0131rda yer al\u0131r.<\/p>\n\n<\/div>\n<\/div>\n

\n

Silikonun 100% mod\u00fcl\u00fc (M100) nedir?<\/strong><\/h3>\n
\n\n

M100, bir numuneyi 100% uzamaya kadar germek i\u00e7in gereken gerilmedir ve ASTM D412'ye g\u00f6re silikon i\u00e7in tipik olarak 0,5\u20133 MPa'd\u0131r. Tu\u015f tak\u0131mlar\u0131 ve membranlar gibi tekrarlanan d\u00fc\u015f\u00fck gerilmeli b\u00fck\u00fclme alt\u0131ndaki par\u00e7alar i\u00e7in \u00e7ekme dayan\u0131m\u0131ndan daha iyi bir \u015fekilde deformasyon kuvvetini tahmin eder.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n

<\/p>","protected":false},"excerpt":{"rendered":"

Most mechanical data on silicone gets buried in encyclopedic noise \u2014 broad adjectives like “flexible” and “durable,” with no numbers and no test method behind them. If you are specifying a gasket, keypad, seal, or molded part, that gap costs you time and risks locking in the wrong durometer or tear spec before tooling. Silicone […]<\/p>\n","protected":false},"author":1,"featured_media":16357,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1013],"tags":[],"class_list":["post-16351","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-silicone-properties"],"_links":{"self":[{"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/posts\/16351","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/comments?post=16351"}],"version-history":[{"count":1,"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/posts\/16351\/revisions"}],"predecessor-version":[{"id":16358,"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/posts\/16351\/revisions\/16358"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/media\/16357"}],"wp:attachment":[{"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/media?parent=16351"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/categories?post=16351"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/tags?post=16351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}