Yürütülen çalışma kapsamında, bor nitrür (BN) ilavesinin bor karbür (B4C) ile güçlendirilmiş alüminyum (Al) kompozitlerinin mekanik özellikleri üzerindeki etkileri incelenmiştir. Ağırlıkça %5 B4C katkılı olarak hazırlanan alüminyum matriks kompozit malzemelere ağırlıkça %3, %5 ve %10 BN ilave edilerek ve 75 MPa basınç altında sıkıştırma döküm yöntemi ile döküm işlemi gerçekleştirilerek BN-B4C/Al hibrit kompozit malzeme üretilmiştir. Kontrol ve karşılaştırma amacıyla, BN ve B4C ilavesi olmaksızın alüminyumdan elde edilen numuneler kullanılmış BN ve B4C ilavesinin üretilen malzemelerin yoğunlukları üzerine etkileri ve ortalama talaş uzunlukları incelenmiştir. BN katkısının mekanik özellikler üzerindeki etkisini belirlemek amacıyla, sertlik ölçümleri gerçekleştirilmiş malzemelerin akma dayanımları, çekme dayanımları ve yüzde uzama miktarları çekme testi yardımıyla belirlenmiş ve karşılaştırılmıştır.
In the framework of the conducted study, the effects of bor nitrate (BN) supplement on the mechanical characteristics of aluminum (Al) composites reinforced by bor carbon (B4C) have been studied. Aluminium matrix composite materials prepared with a weight of 5% B4C, with a weight of 3% BN and 10% BN added, and with the process of casting under pressure of 75 MPa, BN-B4C/Al hybrid composite materials were produced. For control and comparison purposes, samples obtained from aluminium without BN and B4C additives were used; the effects of BN and B4C additives on the densities of the produced materials and the average slurry lengths were studied. In order to determine the impact of the BN contribution on mechanical characteristics, hardness measurements have been carried out; the material's flow resistance, pull resistance and percentage extension amounts have been determined and compared with the help of the pull test.
In this study, effects of boron nitride (BN) addition on the mechanical properties of boron carbide reinforced (B4C) aluminum (Al) composites were investigated. 3, 5 and 10 wt. %BN were added to Al matrix composites reinforced with 5% B4C and melts were cast by squeeze casting technique under 75 MPa casting pressure to produce BN-B4C/Al hybrid composites. Control samples were prepared without any BN and B4C addition for comparison purposes and effect of BN and B4C addition on the density and chip lengths of the produced materials were obtained. In order to determine the effect of BN addition on the mechanical properties hardness measurements were conducted and the yield and ultimate tensile strengths and per cent elongation values were determined by tensile testing and results were compared.
Alan : Mühendislik
Dergi Türü : Ulusal
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