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Dergiler / Gazi University Journal of Science Part A: Engineering and Innovation / 2022 / Volume: 9 Issue: 4

Effect of Diluent Amount on Properties of Porous NiAl

Gülizar Sarıyer(AKDENİZ ÜNİVERSİTESİ)0000-0001-7754-4549
Hasan Erdem Çamurlu(AKDENİZ ÜNİVERSİTESİ)0000-0003-3170-4492
Sayfa
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Yayın Tarihi
2022-12-31
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

Average compressive strength values of the products that were obtained by 25% NaCl and 30 and 40% diluent NiAl additions were 112.0±29.5 and 66.0±20.5 MPa, respectively.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:Porous NiAl parts were formed by using Ni and Al elemental powders, preformed NiAl as diluent and NaCl particles as space holder (SH).
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Temel Bulgular & Veri:The aim of utilizing preformed NiAl (30%-40%) as a diluent was to preserve the shape of the products.
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Sonuç & Katkı:Average compressive strength values of the products that were obtained by 25% NaCl and 30 and 40% diluent NiAl additions were 112.0±29.5 and 66.0±20.5 MPa, respectively.
🔬Tür:Research Article
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Volume Combustion Synthesis · NiAl · Space Holder Method

Abstract

Porous NiAl parts were formed by using Ni and Al elemental powders, preformed NiAl as diluent and NaCl particles as space holder (SH). The aim of utilizing preformed NiAl (30%-40%) as a diluent was to preserve the shape of the products. The amounts of the SH NaCl particles in NiAl were 25-50-75 vol.% and their sizes were in 300-500 µm range. Porous NiAl samples were prepared by volume combustion synthesis (VCS). The adiabatic temperatures of the Ni+Al mixtures having 30 and 40% diluent NiAl were calculated as 1638.9 and 1460.8°C, respectively. Formation of NiAl phase was verified by XRD analyses. In the green pellets, the total porosity amount was higher than the added NaCl amount. Also it was slightly higher in the product pellets than in the green pellets before VCS. Compressive strength and microhardness values of the samples which contained 30% diluent NiAl were higher than the samples which contained 40% diluent. Average compressive strength values of the products that were obtained by 25% NaCl and 30 and 40% diluent NiAl additions were 112.0±29.5 and 66.0±20.5 MPa, respectively.

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Bu Makaleye Atıf Yap

Sarıyer, G., Çamurlu, H. E. (2022). Effect of Diluent Amount on Properties of Porous NiAl. Gazi University Journal of Science Part A: Engineering and Innovation, Volume: 9 Issue: 4. https://doi.org/10.54287/gujsa.1174783

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