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Journals / Politeknik Dergisi / 2021 / Cilt: 24 - Sayı: 1

Microstructural and mechanical properties of Ti3SiC2-CNF composite materials by PM

TM ile Üretilen Ti3SiC2-KNF Kompozit Malzemelerin Mikroyapı ve Mekanik Özellikleri

Faik OKAY
Serkan ISLAK
Abdualkarim Musbah M. GARİBA
Ibtesam Said Shneeb SAİD
Pages
187–194
Publication Date
2022-10-18
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Depending on the sintering temperature, there were changes in the microstructure, densityand mechanical properties of the samples.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:This study aims to investigate the microstructure and mechanical properties of Ti3SiC2-carbon nanofiber (CNF) composite materialsby powder metallurgy (PM).
📊
Key Findings & Data:Ti, SiC, graphite and CNF powders were used to produce Ti3SiC2-CNF composite materials.
💡
Conclusion & Impact:Depending on the sintering temperature, there were changes in the microstructure, densityand mechanical properties of the samples.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

This study aims to investigate the microstructure and mechanical properties of Ti3SiC2-carbon nanofiber (CNF) composite materialsby powder metallurgy (PM). Ti, SiC, graphite and CNF powders were used to produce Ti3SiC2-CNF composite materials. Afterformulated powders were ground in a ball mill, the milled powders were pressed at 500 MPa pressure and then sintered at 1150°C, 1300 °C and 1450 °C. SEM-EDS and XRD analysis were used to examine the microstructure and phase formation. Hardnesstest was carried out with the help of Vickers hardness test apparatus. The densities were measured by Archimedes’ principle. Threepoint bending test was performed to determine the transverse rupture strength (TRS) of the samples. SEM images showed that thesamples have kink band and nanolaminar structures typical of MAX phase materials. The presence of Ti3SiC2 phase detected byXRD analysis also supports this situation. Depending on the sintering temperature, there were changes in the microstructure, densityand mechanical properties of the samples.

Özet

Bu çalışma, toz metalurjisi (TM) ile üretilen Ti3SiC2-karbon nanofiber (KNF) kompozit malzemelerin mikroyapısı ve mekanik özelliklerini araştırmayı amaçlamaktadır. Ti, SiC, grafit ve KNF tozları Ti3SiC2-KNF kompozit malzemeleri üretmek için kullanılmıştır. Formülize edilen tozlar mekanik alaşımlandıktan sonra, 500 MPa’da preslenip 1150 °C, 1300 °C ve 1450 °C'de sinterlenmiştir. Mikroyapı ve faz oluşumunu incelemek için SEM-EDS ve XRD analizleri kullanılmıştır. Sertlik testi Vickers sertlik test cihazı yardımıyla gerçekleştirilmiştir. Yoğunluklar Arşimet prensibi ile ölçülmüştür. Numunelerin çapraz kırılma dayanımlarını (ÇKD) belirlemek için üç noktalı eğilme testi yapılmıştır. SEM görüntüleri, numunelerin MAX faz materyallerine özgü kink bandı ve nanolaminar yapılara sahip olduğunu göstermiştir. XRD analizi ile tespit edilen Ti3SiC2 fazının varlığı da bu durumu desteklemektedir. Sinterleme sıcaklığına bağlı olarak, numunelerin mikroyapısı, yoğunluğu ve mekanik özelliklerinde değişiklikler olmuştur.

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Cite This Article

OKAY, F., ISLAK, S., GARİBA, A. M. M., SAİD, I. S. S. (2022). Microstructural and mechanical properties of Ti3SiC2-CNF composite materials by PM. Politeknik Dergisi, Cilt: 24 - Sayı: 1, 187–194. https://ajindex.com/articles/588401

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