TY  - JOUR
T1  - TAŞITLARDA YÜKSEK MUKAVEMETLİ DÜŞÜK ALAŞIMLI (HSLA) ÇELİK ÖN ÇARPIŞMA KOLLARI İÇİN EN UYGUN ET KALINLIĞININ BELİRLENMESİ
TT  - Determinatıon of Best Wall Thickness for High Strenght Low Alloy (HSLA) Steel Front Collision Railsin Vehicles
AU  - Bilbay, Fahri
AU  - Gülçimen Çakan, Betül
AU  - Ensarioğlu, Cihat
AU  - Çakır, Mustafa
PY  - 2019
DA  - August
Y2  - 2019
DO  - 10.17482/uumfd.520999
JF  - Uludağ Üniversitesi Mühendislik Fakültesi Dergisi
JO  - UUJFE
PB  - Bursa Uludağ University
WT  - DergiPark
SN  - 2148-4155
SP  - 461
EP  - 476
VL  - 24
IS  - 2
LA  - tr
AB  - Bu çalışmada,rijit duvar testi sanal ortamda simule edilerek yüksek mukavemetli düşükalaşımlı çelik ön çarpışma kolu et kalınlığının aracın çarpışma performansınaetkisi incelenmiş ve en uygun et kalınlığı tespit edilmiştir. Ön çarpışmakollarında HSLA (High-Strength Low-Alloy) çelik grubundaki FEE340 malzemesikullanılmış ve altı farklı et kalınlığının aracın çarpışma performansınaetkileri karşılaştırılmıştır. Simülasyonlarda çarpışma kolu, çarpışma kutusu veön tampon (destek) traversinden oluşan yarım araç modeli kullanılmıştır. Farklıkalınlığa sahip ön çarpışma kollarının çarpışma analizleri Abaqus sonluelemanlar yazılımı ile gerçekleştirilmiştir. Simülasyonlardan, toplamdeplasman, çarpışma kuvveti verimliliği (CFE), yolcu kabinine iletilen kuvvetmiktarı ve her bir çarpışma elemanı tarafından sönümlenen enerji miktarısonuçları elde edilmiştir. Simülasyonda kullanılan taşıt modeli için, yolcukabinine iletilen kuvvet, ivme ve deplasman miktarları değerlendirildiğindeHSLA çelik ön çarpışma kolu için en uygun et kalınlığının 2 mm olduğugörülmüştür.
KW  - çarpışma analizi
KW  - sonlu elemanlar
KW  - ön çarpışma kolu
KW  - HSLA
KW  - et kalınlığı
N2  - In this study, the rigid wall test was simulated in avirtual environment and the effect of high strength low alloy steel frontcollision rail wall thickness on the crash performance of a vehicle wasinvestigated and the best wall thickness was determined for the front collisionrails. The FEE340 material in the HSLA (High-Strength Low-Alloy) steel groupwas used in the front collision rails and the effects of the six differentmaterial wall thicknesses used in the front collision rails were compared withregard to the crash performance of the vehicle. The crash analyses of thefrontal collision rails with various thicknesses were performed by the Abaqusfinite element software. Total displacement, crush force efficiency (CFE), theamount of force delivered to the passenger compartment and the amount of energydamped by each collision member results were acquired from the simulations. Forthe vehicle model used in the simulations, when the amounts of force deliveredto the passenger life cage, acceleration and displacement were evaluated, itwas seen that the best wall thickness for the HSLA steel front collision railwas 2 mm.
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UR  - https://doi.org/10.17482/uumfd.520999
L1  - https://dergipark.org.tr/en/download/article-file/814851
ER  -