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Araç lastiklerinde kord-kauçuk kompozit malzemelerin konstrüksiyon yapısı ve lastik davranışına etkisi

Günlük hayatımızda ulaşım başta olmak üzere birçok alanda lastik kullanılmaktadır. Kullanılan aracın özelliklerine bakılmaksızın araç lastiği emniyet açısından kritik bir öneme sahiptir. Dolayısıyla araç lastiğinin iç yapısı, konstrüksiyonu, lastik taban izi vb. parametrelerin analizinin doğru yapılarak lastiğin emniyetli ve verimli çalışması sağlanmalıdır. Lastiğin yapısı içerisinde yer alan kord ve elastomer malzemeler yük altında farklı mekanik gerinim özelliklerine sahiptirler. Oluşan gerinimin kordun mekanik özellikleri ve yapışma performansına etkisi yapılan çalışmalarla ispatlanmıştır. Bu derlemede, literatürdeki lastik iç yapısında temel bileşen olan kord-kauçuk yapısının mekanik özelliklerini belirlemek için yapılan deney ve çalışmalar incelenmiştir. Ayrıca kord kauçuk kompozit malzemesinin makro ve mezoskopik mekanik özellikleri ile ilgili yapılan çalışmalardan örnekler verilmiştir. Lastik yapısının analizi, sonlu elemanlar yöntemi ile lastik kordunun mekanik özellikleri, lastik davranışının yol şartlarında modellemesi, lastik basıncı değişikliği ile zemin teması üzerine çalışmalar incelenmiştir. İnceleme sonucunda, kord-kauçuk yapısı içinde yer alan malzemelerin mekanik özellikleri, malzeme yapısını analiz etmede kullanılan test yöntemleri, lastik yapısının modellenmesi, kord kauçuk yapışma analizi, kord gerinim analizi, lastik zemin ilişkisi konuları üzerine bir derleme yapılmıştır.

Anahtar Kelimeler:

Araç lastiği, kord, kauçuk, konstrüksiyon, lastik davranışı

Cord-rubber composite materials in vehicle tires construction structure and its effect on tire behavior

In our daily life, tires are used in many areas, especially transportation. Regardless of the characteristics of the vehicle used, the vehicle tire has a critical importance in terms of safety. In order for the tire to work safety and efficiently, the internal structure of the tire, its construction, the tire footprint etc. The analysis of the parameters must be done correctly. The cord and elastomer materials in the tire structure have different mechanical strain properties under load. The effect of the resulting strain on the mechanical properties and adhesion performance of the cord has been proven by studies. In this study, the experimental and simulation studies to determine the mechanical properties of the cord-rubber structure, which is the main component in the tire inner structure, are mentioned. In addition, examples from the studies on the macro and mesoscopic mechanical properties of the cord rubber composite material are given. In the analysis of the tire structure, studies on the mechanical properties of the tire cord, the modeling of the tire behavior under road conditions, the change in tire inflation pressure and the ground contact were examined with the finite element method. As a result of the examination, a review was made on the mechanical properties of the materials in the cord-rubber structure, the test methods used to analyze the material structure, the modeling of the tire structure, the cord rubber adhesion analysis, the cord strain analysis, the tire-ground relationship.

Keywords:

Tire, cord, rubber, construction, tire behavior Tire, cord, rubber, construction, tire behavior,

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