{"id":15838,"date":"2026-03-04T16:29:02","date_gmt":"2026-03-04T08:29:02","guid":{"rendered":"https:\/\/rysilicone.com\/?p=15838"},"modified":"2026-04-07T11:08:23","modified_gmt":"2026-04-07T03:08:23","slug":"tear-strength-vs-hardness-the-engineering-behind-anti-choking-pacifier-design","status":"publish","type":"post","link":"https:\/\/rysilicone.com\/tr\/tear-strength-vs-hardness-the-engineering-behind-anti-choking-pacifier-design\/","title":{"rendered":"Y\u0131rt\u0131lma Dayan\u0131m\u0131 ve Sertlik: Bo\u011fulmay\u0131 \u00d6nleyici Emzik Tasar\u0131m\u0131n\u0131n M\u00fchendisli\u011fi"},"content":{"rendered":"

Emzik tasarlarken g\u00fcvenlik her \u015feyden \u00f6nce gelir. Bir\u00e7ok ekip \u015fu konulara odaklanmaktad\u0131r: Shore A sertli\u011fi<\/a>. Daha sert silikonun daha g\u00fc\u00e7l\u00fc \u00fcr\u00fcnler anlam\u0131na geldi\u011fine inan\u0131yorlar. Ger\u00e7ek \u00fcretimde bu fikir genellikle sorunlara yol a\u00e7\u0131yor. Daha sert silikon k\u0131r\u0131lgan hale gelebilir. Bir bebe\u011fin di\u015fi k\u00fc\u00e7\u00fck bir kesik olu\u015fturdu\u011funda, malzeme h\u0131zla y\u0131rt\u0131labilir. Bu k\u00fc\u00e7\u00fck y\u0131rt\u0131k bo\u011fulma riskine d\u00f6n\u00fc\u015febilir.<\/p>\n\n\n\n

Silikon kal\u0131plama alan\u0131nda y\u0131llarca \u00e7al\u0131\u015ft\u0131ktan sonra bebek \u00fcr\u00fcnleri<\/a>, \u00c7ok net bir ders ald\u0131m: Y\u0131rt\u0131lma dayan\u0131m\u0131 sertlikten daha \u00f6nemlidir. Bu makale bunun nedenini a\u00e7\u0131kl\u0131yor. Daha g\u00fcvenli emziklere yol a\u00e7an malzeme mant\u0131\u011f\u0131n\u0131, laboratuvar testlerini ve \u00fcretim hatt\u0131ndaki kararlar\u0131 ayr\u0131nt\u0131l\u0131 olarak ele alaca\u011f\u0131m.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Sertlik Konusundaki Yanl\u0131\u015f Anlama<\/h2>\n\n\n\n

Shore A durometresi y\u00fczey sertli\u011fini \u00f6l\u00e7er. Y\u0131rt\u0131lmaya kar\u015f\u0131 direnci \u00f6l\u00e7mez. 60 Shore A silikon sert bir his verir. \u00c7ukurla\u015fmaya kar\u015f\u0131 diren\u00e7lidir. Ancak sertlik tek ba\u015f\u0131na \u00e7atlak olu\u015fumunu durdurmaz.<\/p>\n\n\n\n

\u0130nceledi\u011fimiz bir\u00e7ok ba\u015far\u0131s\u0131z \u00f6rnekte durum a\u00e7\u0131kt\u0131. Silikon \u00e7ok sertti. K\u00fc\u00e7\u00fck bir \u0131s\u0131r\u0131k izi \u00e7atla\u011fa d\u00f6n\u00fc\u015ft\u00fc. \u00c7atlak h\u0131zla yay\u0131ld\u0131. Meme ucu g\u00f6vdeden ayr\u0131ld\u0131. \u00dcr\u00fcn beklenenden \u00e7ok daha \u00f6nce ar\u0131zaland\u0131.<\/p>\n\n\n\n

Y\u0131rt\u0131lma dayan\u0131m\u0131 ise farkl\u0131 bir hikaye anlat\u0131r. Bu \u00f6zellik, malzemenin bir kesik olu\u015ftuktan sonra ne kadar kuvvete dayanabilece\u011fini \u00f6l\u00e7er. Emzikler i\u00e7in bu \u00f6zellik \u00e7ok \u00f6nemlidir.<\/p>\n\n\n\n

Amerika Birle\u015fik Devletleri gibi pazarlarda, \u00fcr\u00fcn geri \u00e7a\u011f\u0131rmalar\u0131 markalara h\u0131zla zarar verir. ABD T\u00fcketici \u00dcr\u00fcn G\u00fcvenli\u011fi Komisyonu gibi kurumlar bo\u011fulma tehlikelerini yak\u0131ndan izler. Yanl\u0131\u015f silikon form\u00fcl\u00fc se\u00e7mek sadece teknik bir hata de\u011fil, ayn\u0131 zamanda bir ticari risktir.<\/p>\n\n\n\n

Bebe\u011fin Is\u0131r\u0131\u011f\u0131n\u0131n Fizi\u011fi<\/h2>\n\n\n\n

Bebek di\u015fleri k\u00fc\u00e7\u00fck ama keskindir. Silikon y\u00fczeyde minik \u00e7izikler olu\u015ftururlar. Bu \u00e7izikler gerilim yo\u011funla\u015ft\u0131r\u0131c\u0131 g\u00f6revi g\u00f6r\u00fcr. M\u00fchendisler buna \u00e7entik hassasiyeti diyor.<\/p>\n\n\n\n

Bir \u00e7entik olu\u015ftu\u011funda, bir sonraki \u0131s\u0131r\u0131k daha fazla hasara neden olur. Gerilim kesi\u011fin ucunda toplan\u0131r. Silikon k\u0131r\u0131lgan ise, \u00e7atlak h\u0131zla ilerler.<\/p>\n\n\n\n

Bir y\u0131rt\u0131k nas\u0131l olu\u015fur?<\/h3>\n\n\n\n

G\u00f6zya\u015f\u0131 hasar\u0131 genellikle iki a\u015famada ger\u00e7ekle\u015fir.<\/p>\n\n\n\n

    \n
  1. \u0130lk n\u00fcfuz etme. Di\u015f y\u00fczeyi k\u0131rar.<\/li>\n\n\n\n
  2. \u00c7atlak yay\u0131lmas\u0131. Mevcut kesik, tekrarlanan a\u015f\u0131nma sonucu geni\u015fler.<\/li>\n<\/ol>\n\n\n\n

    Orta derecede esnekli\u011fe sahip silikon, gerilimi daha iyi da\u011f\u0131t\u0131r. \u00c7ok sert silikon ise enerjiyi iyi emmez. Gerilimi do\u011frudan \u00e7atlak ucuna iletir.<\/p>\n\n\n\n

    Laboratuvar\u0131m\u0131zda ASTM D624 Tip B y\u0131rt\u0131lma testini kullan\u0131yoruz. Bu y\u00f6ntem, a\u00e7\u0131l\u0131 y\u0131rt\u0131lmay\u0131 sim\u00fcle eder. Basit d\u00fcz \u00e7ekmelere k\u0131yasla ger\u00e7ek \u00e7i\u011fneme ko\u015fullar\u0131n\u0131 daha iyi yans\u0131t\u0131r. \u00dcretim onay\u0131nda, emzik u\u00e7lar\u0131 i\u00e7in 20 kN\/m'nin alt\u0131nda y\u0131rt\u0131lma dayan\u0131m\u0131na sahip malzemelerden ka\u00e7\u0131n\u0131yoruz.<\/p>\n\n\n\n

    Sim\u00fcle Edilmi\u015f \u00c7i\u011fnemede G\u00f6rd\u00fcklerimiz<\/h3>\n\n\n\n

    D\u00f6ng\u00fcsel \u0131s\u0131rma sim\u00fclasyonlar\u0131 yapt\u0131\u011f\u0131m\u0131zda, d\u00fc\u015f\u00fck y\u0131rt\u0131lma diren\u00e7li malzemelerin h\u0131zla bozuldu\u011funu g\u00f6r\u00fcyoruz. K\u00fc\u00e7\u00fck kesikler binlerce d\u00f6ng\u00fcden sonra geni\u015fliyor. Y\u00fcksek y\u0131rt\u0131lma diren\u00e7li silikon ise yap\u0131s\u0131n\u0131 \u00e7ok daha uzun s\u00fcre koruyor.<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    \u00c7apraz Ba\u011f Yo\u011funlu\u011fu: Denge Noktas\u0131<\/h2>\n\n\n\n

    Silikonun performans\u0131 \u00e7apraz ba\u011f yo\u011funlu\u011funa ba\u011fl\u0131d\u0131r. \u00c7apraz ba\u011flar polimer zincirlerini birbirine ba\u011flar. Esnekli\u011fi ve mukavemeti kontrol ederler.<\/p>\n\n\n\n

    \u00c7apraz ba\u011f yo\u011funlu\u011fu \u00e7ok d\u00fc\u015f\u00fckse, silikon yumu\u015fak ve zay\u0131f bir his verir. Kal\u0131c\u0131 olarak deforme olabilir. Meme ucu \u00e7\u00f6kebilir.<\/p>\n\n\n\n

    \u00c7apraz ba\u011f yo\u011funlu\u011fu \u00e7ok y\u00fcksek olursa, silikon sertle\u015fir ve k\u0131r\u0131lgan hale gelir. Y\u0131rt\u0131lma direnci d\u00fc\u015fer.<\/p>\n\n\n\n

    Bir orta b\u00f6lge var. Ben ona denge noktas\u0131 diyorum.<\/p>\n\n\n\n

    Pratik Kar\u0131\u015ft\u0131rma Kontrol\u00fc<\/h3>\n\n\n\n

    S\u0131v\u0131 silikon kau\u00e7uk sistemlerinde, kataliz\u00f6r oran\u0131ndaki k\u00fc\u00e7\u00fck de\u011fi\u015fiklikler \u00e7apraz ba\u011f yo\u011funlu\u011funu etkiler. Kar\u0131\u015f\u0131m oran\u0131ndaki ufak bir ayarlama hem Shore A sertli\u011fini hem de y\u0131rt\u0131lma dayan\u0131m\u0131n\u0131 de\u011fi\u015ftirebilir.<\/p>\n\n\n\n

    T\u0131bbi s\u0131n\u0131f bir partide, yakla\u015f\u0131k 0,55 mol% \u00e7apraz ba\u011f yo\u011funlu\u011funu hedefledik. Sonu\u00e7 olarak yakla\u015f\u0131k 42 Shore A sertlik ve 28 kN\/m y\u0131rt\u0131lma dayan\u0131m\u0131 elde ettik. Daha sert olan 58 Shore A versiyonu ise \u00e7ok daha d\u00fc\u015f\u00fck y\u0131rt\u0131lma performans\u0131 g\u00f6sterdi ve tekrarlanan gerilme alt\u0131nda \u00e7atlad\u0131.<\/p>\n\n\n\n

    Tipik \u00c7apraz Ba\u011flant\u0131 Aral\u0131klar\u0131<\/h3>\n\n\n\n
    \u00c7apraz Ba\u011flanma Seviyesi (mol%)<\/td>K\u0131y\u0131 A<\/td>Y\u0131rt\u0131lma Mukavemeti (kN\/m)<\/td>Emziklerde Performans<\/td><\/tr>
    0,25\u20130,45<\/td>28\u201338<\/td>14\u201319<\/td>\u00c7ok yumu\u015fak, \u015feklini iyi koruyam\u0131yor.<\/td><\/tr>
    0,50\u20130,75<\/td>40\u201348<\/td>24\u201330<\/td>Dengeli ve g\u00fcvenilir<\/td><\/tr>
    0,80\u20131,00<\/td>52\u201362<\/td>9\u201313<\/td>\u00c7ok k\u0131r\u0131lgan, \u00e7atlama riski<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    Bu de\u011ferler laboratuvar\u0131m\u0131zda test edilen ger\u00e7ek, iyile\u015ftirilmi\u015f numunelerden elde edilmi\u015ftir.<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    Tasar\u0131m, malzeme kadar \u00f6nemlidir.<\/h2>\n\n\n\n

    Sadece malzeme tek ba\u015f\u0131na bo\u011fulmay\u0131 \u00f6nleyemez. Yap\u0131sal tasar\u0131m b\u00fcy\u00fck rol oynar.<\/p>\n\n\n\n

    Meme ucu ile taban aras\u0131ndaki ba\u011flant\u0131 kritik bir b\u00f6lgedir. Keskin k\u00f6\u015feler gerilim yo\u011funla\u015fmas\u0131na neden olur. Yuvarlak ge\u00e7i\u015fler kuvveti daha e\u015fit \u015fekilde da\u011f\u0131t\u0131r.<\/p>\n\n\n\n

    Bu alanlarda genellikle yakla\u015f\u0131k 0,7 mm yar\u0131\u00e7ap kullan\u0131yoruz. Sim\u00fclasyon sonu\u00e7lar\u0131, tepe geriliminde \u00f6nemli bir azalma oldu\u011funu g\u00f6stermektedir.<\/p>\n\n\n\n

    Kal\u0131p ve \u0130\u015fleme Detaylar\u0131<\/h3>\n\n\n\n

    Kap\u0131 konumu molek\u00fcler y\u00f6nlenmeyi etkiler. Kap\u0131 \u0131s\u0131rma b\u00f6lgesine yak\u0131nsa, yerel yap\u0131 zay\u0131flayabilir. Bu nedenle kap\u0131lar\u0131 \u00e7i\u011fneme alanlar\u0131ndan uzakla\u015ft\u0131r\u0131yoruz.<\/p>\n\n\n\n

    \u00c7apak ve ay\u0131rma \u00e7izgileri de \u00f6nemlidir. P\u00fcr\u00fczl\u00fc kal\u0131p diki\u015fleri y\u0131rt\u0131lmalara neden olabilir. Hassas tak\u0131m kullan\u0131m\u0131 ve dikkatli kesim bu riski azalt\u0131r.<\/p>\n\n\n\n

    Bu k\u00fc\u00e7\u00fck ayr\u0131nt\u0131lar, bir emzi\u011fin uzun s\u00fcreli yorgunluk testini ge\u00e7ip ge\u00e7meyece\u011fini genellikle belirler.<\/p>\n\n\n\n

    Dinamik Yorulma Testi<\/h2>\n\n\n\n

    Standart \u00e7ekme testleri ilk dayan\u0131kl\u0131l\u0131\u011f\u0131 \u00f6l\u00e7er. Ger\u00e7ek kullan\u0131m ko\u015fullar\u0131n\u0131 yans\u0131tmazlar. Bebekler tekrar tekrar \u0131s\u0131r\u0131r. Stres d\u00f6ng\u00fcseldir.<\/p>\n\n\n\n

    \u00c7i\u011fneme d\u00f6ng\u00fclerini sim\u00fcle etmek i\u00e7in dahili d\u00fczenekler kurduk.<\/p>\n\n\n\n

    Bir kar\u015f\u0131la\u015ft\u0131rma testinde:<\/p>\n\n\n\n

    Malzeme T\u00fcr\u00fc<\/td>\u0130lk Y\u0131rt\u0131lma (kN\/m)<\/td>12.000 D\u00f6ng\u00fcden Sonra (kN\/m)<\/td>G\u00fc\u00e7 Kayb\u0131<\/td><\/tr>
    43 Shore A Y\u00fcksek G\u00f6zl\u00fcl\u00fck<\/td>29<\/td>23.2<\/td>20%<\/td><\/tr>
    58 Shore A Standard<\/td>17<\/td>8.5<\/td>50%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    Daha sert malzeme mukavemetinin yar\u0131s\u0131n\u0131 kaybetti. G\u00f6zle g\u00f6r\u00fcl\u00fcr \u00e7atlaklar erken ortaya \u00e7\u0131kt\u0131. Dengeli form\u00fcl ise i\u015flevini korudu.<\/p>\n\n\n\n

    Ayr\u0131ca t\u00fck\u00fcr\u00fc\u011fe maruz kalma ve \u0131s\u0131ya ba\u011fl\u0131 eskime testlerini de yap\u0131yoruz. Emziklerin sterilizasyona ve g\u00fcnl\u00fck y\u0131kamaya dayanmas\u0131 gerekiyor.<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    Uyumluluk ve G\u00fcvenlik Standartlar\u0131<\/h2>\n\n\n\n

    Emzikler mekanik ve kimyasal g\u00fcvenlik kurallar\u0131na uygun olmal\u0131d\u0131r. ABD'de, ABD T\u00fcketici \u00dcr\u00fcn G\u00fcvenli\u011fi Komisyonu \u00e7ekme kuvveti gereksinimlerini belirler. Uluslararas\u0131 pazarlar, biyolojik uyumluluk i\u00e7in ISO standartlar\u0131na ba\u015fvurabilir.<\/p>\n\n\n\n

    ISO 10993 ve USP S\u0131n\u0131f VI gibi standartlar biyolojik g\u00fcvenli\u011fe odaklan\u0131r. Y\u0131rt\u0131lma dayan\u0131kl\u0131l\u0131\u011f\u0131n\u0131 garanti etmezler. Bu nedenle i\u00e7 mekanik do\u011frulama \u015fartt\u0131r.<\/p>\n\n\n\n

    \u00dcreticiler, tedarik\u00e7ilerden ger\u00e7ek y\u0131rt\u0131lma verilerini talep etmelidir. ASTM D624 Tip B sonu\u00e7lar\u0131n\u0131 isteyin. Sadece Shore A de\u011ferlerine g\u00fcvenmeyin.<\/p>\n\n\n\n

    \u00c7\u00f6z\u00fcm<\/h2>\n\n\n\n

    Bebek \u00fcr\u00fcnlerinde y\u0131rt\u0131lma dayan\u0131m\u0131 \u00f6ncelikli bir \u00f6zellik olmal\u0131d\u0131r. Sertlik ise ikincil bir \u00f6zelliktir.<\/p>\n\n\n\n

    Emzik \u00e7ok yumu\u015fak oldu\u011fu i\u00e7in de\u011fil, k\u00fc\u00e7\u00fck bir kesi\u011fin b\u00fcy\u00fcyerek tam bir y\u0131rt\u0131\u011fa d\u00f6n\u00fc\u015fmesi nedeniyle bozulur.<\/p>\n\n\n\n

    Do\u011fru \u00e7apraz ba\u011f kontrol\u00fc, \u00f6zenli kal\u0131p tasar\u0131m\u0131 ve dinamik yorulma testleri ile silikon emzikler hem konfor hem de g\u00fcvenlik sa\u011flayabilir.<\/p>\n\n\n\n

    Y\u0131llar\u0131n silikon uzmanl\u0131\u011f\u0131 ve yorgunluk sim\u00fclat\u00f6rleri gibi ara\u00e7lar\u0131m\u0131zla desteklenen firmam\u0131z, g\u00fcvenlik ve yenili\u011fi \u00f6n planda tutan \u00f6zel emzik \u00e7\u00f6z\u00fcmleri \u00fcretmeye haz\u0131r. \u00dcr\u00fcn yelpazenize uygun \u00e7\u00f6z\u00fcmler geli\u015ftirmek i\u00e7in bizimle ileti\u015fime ge\u00e7in. Birlikte g\u00f6n\u00fcl rahatl\u0131\u011f\u0131 sa\u011flayan \u00fcr\u00fcnler \u00fcretelim.<\/p>\n\n\n\n

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

    When we design pacifiers, safety comes first. Many teams focus on Shore A hardness. They believe harder silicone means stronger products. In real production, this idea often causes problems. Harder silicone can become brittle. Once a baby\u2019s tooth creates a small cut, the material may tear quickly. That small tear can turn into a choking […]<\/p>\n","protected":false},"author":1,"featured_media":15833,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1013],"tags":[1035,1036,1034],"class_list":["post-15838","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-silicone-properties","tag-silicone-hardness","tag-silicone-pacifier","tag-silicone-tear-strength"],"_links":{"self":[{"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/posts\/15838","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=15838"}],"version-history":[{"count":0,"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/posts\/15838\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/media\/15833"}],"wp:attachment":[{"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/media?parent=15838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/categories?post=15838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rysilicone.com\/tr\/wp-json\/wp\/v2\/tags?post=15838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}