Toz Metalurjisi Yöntemiyle Üretilen B4C+TiB2 Takviyeli Al 2024 Esaslı Kompozitlerde Takviye Miktarının Mekanik Özelliklere Etkisi

Pul, Muharrem

doi:10.29137/umagd.407488

Uluslararası Muhendislik Arastirma Ve Gelistirme Dergisi

2019

DOI: 10.29137/umagd.407488

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Toz Metalurjisi Yöntemiyle Üretilen B4C+TiB2 Takviyeli Al 2024 Esaslı Kompozitlerde Takviye Miktarının Mekanik Özelliklere Etkisi

Muharrem Pul¹

Abstract: Bu çalışmada B4C (bor karbür) ve TiB2 (titanyum diborür) takviyeli Al 2024 esaslı kompozitler toz metalurjisi yöntemi kullanılarak, %4 TiB2+%8 B4C, %6 TiB2+%12 B4C, %8 TiB2+%16 B4C ve %10 TiB2+%20 B4C olarak farklı takviye oranlarında üretilmiştir. Üretilen kompozit numuneler, vakumlu fırında 120 min süre ile 560 °C sabit sıcaklıkta sinterlenmiştir. Sinterlemeden sonra Arşimet Prensibi'ne göre teorik yoğunlukları belirlenmiştir. Optik mikroskop ile kompozit numunelerin mikroyapı görüntüleri çekilmiştir. Daha s… Show more

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Cited by 2 publications

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Production of AA2024-Matrix B4C-SiC- and B4C-Y2O3-Particle-Reinforced Composites by Powder Metallurgy and Investigation of Their Mechanical Properties

Doğan

MUTLU

2022

Celal Bayar Üniversitesi Fen Bilimleri Dergisi

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In this study, it was aimed to produce Al-matrix composite materials with B4C-SiC and B4C-Y2O3 particle reinforcement using the Powder Metallurgy (PM) method. In the composites in which the reinforcement materials were used at different particle sizes and ratios, AA2024 powders were selected as the matrix material. The powders were homogeneously mixed and compacted at room temperature under a pressure of 525 MPa. The raw specimens were sintered by keeping them at different temperatures for 45 minutes. The composite materials were subjected to wear tests, and their hardness and density values were investigated. In the study, the effects of reinforcement materials added to the matrix at different particle sizes and ratios on wear resistance, hardness, and density at different temperatures were examined.

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Production of AA2024-Matrix B4C-SiC- and B4C-Y2O3-Particle-Reinforced Composites by Powder Metallurgy and Investigation of Their Mechanical Properties

Doğan

MUTLU

2022

Celal Bayar Üniversitesi Fen Bilimleri Dergisi

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Comparison of Mechanical Behavior of MgO Reinforced Aluminum Composites Produced by Different Methods

Pul

2019

Çukurova Üniversitesi Mühendislik-Mimarlık Fakültesi Dergisi

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ÖzBu deneysel çalışmada vakumlu infiltrasyon, karıştırmalı döküm ve toz metalurjisi teknikleriyle üretilmiş olan MgO parçacık takviyeli alüminyum kompozitlerin mekanik davranışları karşılaştırılmıştır. Bu amaçla daha önce üç farklı yöntemle üretilmiş olan; %5, %10 ve %15 MgO takviyeli alüminyum kompozitlerin ilk olarak porozite (gözenek) miktarları ölçülmüştür. Daha sonra sırasıyla sertlik ölçümleri, çapraz kırılma ve abrasif aşınma deneyleri yapılmıştır. Elde edilen deney sonuçlarına göre; kompozit yapı içerisindeki MgO takviye oranının artmasıyla porozite ve aşınma kayıpları artış göstermiştir. Ayrıca MgO takviye oranının artmasıyla sertlik değerleri artarken kırılma dayanımları azalmıştır. Üç farklı yöntemle üretilen kompozitler içerisinde en düşük mekanik performans toz metalurjisi tekniği ile üretilen kompozitlerde gözlenmiştir. Genel olarak en yüksek mekanik değerler karıştırmalı döküm yöntemiyle üretilen kompozitlerden elde edilmiştir. AbstractIn this experimental study, the mechanical behaviours of MgO particle reinforced aluminium composites produced by vacuum infiltration, blended casting and powder metallurgy techniques were compared. For this purpose, previously produced by three different methods; Porosity (porosity) amounts of 5%, 10% and 15% MgO reinforced aluminium composites were measured first. Then, respectively, hardness measurements, transverse rupture and abrasive wear tests were performed. According to the obtained test results; porosity and wear losses increased with increasing MgO reinforcement ratio in the composite structure. Furthermore, with the increase of MgO supplementation, hardness values increased and fracture strengths decreased. Among the composites produced with three different methods, the lowest mechanical performance was observed in the composites produced by powder metallurgy technique. Generally, the highest mechanical values were obtained from the composites produced by the stir casting method.

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Toz Metalurjisi Yöntemiyle Üretilen B4C+TiB2 Takviyeli Al 2024 Esaslı Kompozitlerde Takviye Miktarının Mekanik Özelliklere Etkisi

Cited by 2 publications

References 8 publications

Production of AA2024-Matrix B4C-SiC- and B4C-Y2O3-Particle-Reinforced Composites by Powder Metallurgy and Investigation of Their Mechanical Properties

Production of AA2024-Matrix B4C-SiC- and B4C-Y2O3-Particle-Reinforced Composites by Powder Metallurgy and Investigation of Their Mechanical Properties

Comparison of Mechanical Behavior of MgO Reinforced Aluminum Composites Produced by Different Methods

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