TY  - JOUR
T1  - Toz Metalurjisi Yöntemiyle Üretilen Fe Esaslı Fe-Ni-Cu Elmas Kesici Takımında Co’ın Etkisi
TT  - The Effect of Co on Fe-Based Fe-Ni-Cu Diamond Cutting Tool Produced by Powder Metallurgy Method
AU  - Tunç, Büşra
AU  - Somunkıran, İlyas
AU  - Çelik, Ertuğrul
AU  - Güneş, Çağdaş
PY  - 2022
DA  - December
DO  - 10.55546/jmm.1131636
JF  - Journal of Materials and Mechatronics: A
JO  - J. Mater. Mechat. A
PB  - Yusuf KAYALI
WT  - DergiPark
SN  - 2717-8811
SP  - 194
EP  - 205
VL  - 3
IS  - 2
LA  - tr
AB  - Bu çalışmada toz metalürjisi (TM) tekniğiyle Fe esaslı Fe-Ni-Cu matrisine ağırlıkça farklı oranlarda (%10-20-30) kobalt (Co) ilave edilerek üretilen numunelerin mikroyapı ve bazı mekanik özellikleri incelendi. Sinterleme; 920 ºC’ de, 35 MPa basınç altında, 4 dk süreyle argon gazı atmosferinde yapıldı. Numunelerin mikroyapısal karakterizasyonu X-ışınları analizi (XRD), taramalı elektron mikroskobu (SEM), enerji dağılım spektrometresi (EDS) ile incelendi. Yoğunluk ölçümleri yapılan numuneler, sertlik ve üç noktalı eğme deneylerine tabi tutuldu. Sonuç olarak; takviye oranının artması ile porozitede azalma meydana geldi.  En yüksek sertlik ve yoğunluk değerinin %20 Co ilaveli numunede olduğu görüldü. Co oranı ilavesiyle başlangıçta eğme gerilmesi ve yüzde uzamanın arttığı ve artan Co oranıyla birlikte eğme gerilmesi ve yüzde uzamanın azaldığı gözlendi.
KW  - Elmas kesici takımlar
KW  - Toz metalurjisi
KW  - Kobalt
KW  - Demir esaslı alaşım
N2  - In this study, microstructure and some mechanical properties of the samples were investigated produced by adding different weight (10-20-30%) cobalt (Co) to Fe-based Fe-Ni-Cu matrix by powder metallurgy (TM) technique. Sintering; It was carried out at 920 ºC, under 35 MPa pressure, for 4 minutes in an argon gas atmosphere. Microstructural characterization of the samples was examined by X-ray analysis (XRD), scanning electron microscope (SEM), and energy distribution spectrometry (EDS). Density measurements were made and the samples were subjected to hardness and three-point bending tests. As a result; The porosity decreased with the increase in the reinforcement ratio. It was observed that the highest hardness and density value was in the sample with 20% Co added. It was observed that the bending stress and percent elongation increased with the addition of Co ratio and the bending stress and percent elongation decreased with increasing Co ratio.
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UR  - https://doi.org/10.55546/jmm.1131636
L1  - https://dergipark.org.tr/en/download/article-file/2490211
ER  -