Görüntü Korelasyon Tekniği Kullanılarak ABS 3B Baskıların Kayma Modülü Analizi

Öz

Üç boyutlu (3B) baskıların kullanım alanları arttıkça, bu baskıların özelliklerini ve bu özellikleri etkileyen faktörleri anlamak çok önem taşımaktadır. 3B yazdırılan parçaların malzeme özellikleri, bunları yazdırmak için kullanılan ham malzemelerin özellikleriyle eşdeğer değildir. 3B baskının doğası gereği farklı matris yapısı ve baskı yönleri parçaların anizotropisine neden olur. Bu makale, kesme özelliklerinin anizotropisini belirlemek için akrilonitril bütadien stiren (ABS) 3B baskılı parçaların mekanik karakterizasyonu için deneysel teknikleri ve sonuçları sunmaktadır. Fiber oryantasyonunun üç boyutlu basılmış parçaların mekanik özellikleri üzerindeki etkisi, [±45] yatay ve dikey olarak basılan numunelerle incelenmiştir. Numunelerin tam alan gerilimini ölçmek için Dijital Görüntü Korelasyon Hesaplama (DGK) yönteminden yararlanılırken evrensel bir test makinesinde yüklemeye tabi tutuldu. İnceleme sonuçlarında yatay numuneler dikey numunelere göre % 30 daha yüksek kesme mukavemeti gösterdiler.

Anahtar Kelimeler

• Dijital Görüntü Korelasyon Hesaplama
• Mekanik Karakterizasyon
• 3B baskı
• ABS Gerinim

Shear Modulus Analysis of Abs 3D Prints Using Image Correlatıon Technique

Öz

As the application areas of three-dimensional (3D) printing increase, it is very important to understand the characteristics of these prints and the factors affecting these features. The material properties of 3D-printed parts are not equivalent to the properties of the raw materials used to print them. Due to the nature of 3D printing, different microstructures and printing directions cause anisotropy in parts. This study presents experimental techniques and results for the mechanical characterization of Acrylonitrile Butadiene Styrene 3D-printed parts to determine the anisotropy of shear properties. The effect of fiber orientation on the mechanical properties of 3D printed parts was investigated with samples printed horizontally and vertically at ±45°. The samples were investigated under load using a universal testing machine while using the Digital Image Correlation Calculation method to measure the full field strain. In the test results, horizontal samples showed 30% higher shear strength than vertical samples.

Anahtar Kelimeler

• Digital Image Correlation Calculation
• Mechanical Characterization
• 3D Printing
• ABS Strain

Kaynakça

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