TY  - JOUR
T1  - Al 6061/B4C/GNP hibrit kompozitlerde B4C ve GNP takviye miktarlarının abrasif aşınma davranışına etkisi
TT  - The effect of B4C and GNP reinforcement amounts on abrasive wear behavior in Al 6061/B4C/GNP hybrid composites
AU  - Pul, Muharrem
PY  - 2022
DA  - October
Y2  - 2022
DO  - 10.28948/ngumuh.1142512
JF  - Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi
JO  - NÖHÜ Müh. Bilim. Derg.
PB  - Nigde Omer Halisdemir University
WT  - DergiPark
SN  - 2564-6605
SP  - 1179
EP  - 1187
VL  - 11
IS  - 4
LA  - tr
AB  - Bu deneysel çalışmada aşınma davranışlarının incelemek amacıyla, vorteks yöntemi kullanılarak Al 6061 matrisli B4C ve GNP takviyeli hibrit kompozitler üretilmiştir. Daha sonra pin-on disk yöntemiyle, aşındırıcı zımpara kullanılarak abrasif aşınma deneyleri gerçekleştirilmiştir. Deney sonuçlarına göre, yapı içerisindeki B4C kompozit numunelerin sertlik değerlerini ve aşınma dayanımları yükselmiştir. GNP oranının artmasıyla, sertlik değerleri ve aşınma kayıplarında azalma meydana gelmiştir. Bu durum grafenin kuru yağlayıcı özelliği ile ilişkilendirilmiştir. Ayrıca kompozit yapı içerisindeki takviye topaklanmasına bağlı olarak oluşan porozitenin mekanik özellikler üzerinde olumsuz yönde etki yaptığı değerlendirilmiştir. Ayrıca, deneyler sırasında kompozit yapı içerisinden kopan B4C parçacıklarının, zımparayla birlikte ikinci bir aşındırıcı gibi davranarak, aşınma kayıplarının artmasında etkili olduğu değerlendirilmiştir.
KW  - Hibrit kompozit
KW  - Al 6061
KW  - B4C
KW  - GNP
KW  - Abrasif aşınma
N2  - In this experimental study, B4C and GNP reinforced hybrid composites with Al 6061 matrix were produced using the vortex method to examine the wear behavior. Then, abrasive wear tests were carried out using the pin-on disc method, using abrasive sandpaper. According to the test results, the hardness values and wear resistance of the B4C composite samples in the structure increased. The hardness values and wear losses decreased with the increase of the GNP ratio. This situation has been associated with the dry lubricating property of graphene. In addition, it was evaluated that the porosity formed due to agglomeration of the reinforcement in the composite structure had a negative effect on the mechanical properties. In addition, it was evaluated that the B4C particles, which were separated from the composite structure during the experiments, acted as a second abrasive together with the sandpaper and were effective in increasing the wear losses.
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UR  - https://doi.org/10.28948/ngumuh.1142512
L1  - https://dergipark.org.tr/en/download/article-file/2533213
ER  -