Sn Temelli Sn-Pb-Al Üçlü Alaşımında Yapısal, Elektriksel, Termal, Mekaniksel Özellikler ve Mikrosertlik

Yıl 2017, Cilt: 38 Ek Sayı 4, 39 - 51, 08.12.2017

Canan Alper Billur Mehmet Arı Tuncay Karaaslan Buket Saatçi

https://doi.org/10.17776/csj.341093

Öz

Ötektik Sn-Pb-Al (Sn_61.82Pb_38.10Al_0.08) üçlü alaşımı ve sabit
Al konsantrasyonunda Sn-Pb-Al  üçlü
alaşımının  (Sn-[x] wt. % Pb-10 wt. % Al) (x=40, 30, 20
and 10) beş farklı örneğinin yapısal, elektriksel, termal, mekaniksel özelliği
ve mikrosertliği araştırıldı. Örneklerin sıcaklığa bağlı olarak elektriksel
iletkenliği  dört nokta elektriksel
iletkenlik tekniği kullanılarak ölçüldü. Örneklerin sıcaklığa bağlı olarak
termal iletkenliği elektriksel ölçümlerden elde edilen datalarla birlikte  Wiedemann-Franz (W-F) yasasıyla gösterildi.
Taramalı elektron mikroskobu(SEM), X ışınları difraktometresi(XRD), EDX
ölçümleri, yüzey morfolojisini açığa çıkartmak, kristal yapı, hücre
parametreleri, tane boyutları ve kimyasal bileşimini belirlemek için
gerçekleştirildi. Çekme testleri alaşımdaki her bir bileşimin tane boyutlarına
bağlı olarak  en büyük gerilme
mukavemetini belirlemek için 
gerçekleştirildi. Alaşımın herbir bileşimi için mikrosertlik
sonuçları  Vickers test cihazı
kullanılarak bulundu.  

Anahtar Kelimeler

Elektriksel ve mekaniksel özellikler, Mikrosertlik, Kristal yapı

Structural, electrical, thermal, mechanical properties and micro-hardness in Sn-based Sn-Pb-Al ternary alloys

Öz

The structural,
electrical, thermal, mechanical properties and micro-hardness of five different
samples of Sn-Pb-Al ternary alloys (Sn-[x] wt. % Pb-10 wt. % Al) (x=40, 30, 20
and 10) with constant Al concentrations, and the eutectic Sn-Pb-Al (Sn_61.82Pb_38.10Al_0.08)
ternary alloy were investigated. The electrical conductivity of the samples,
depending on temperature, was measured using the four-point probe technique
(4PPT). The temperature dependence of the thermal conductivities of the samples
was shown using the Wiedemann-Franz (W-F) law with the data obtained from
electrical measurements. Scanning Electron Microscope (SEM), X-ray diffraction
(XRD), and Energy Dispersive X-ray Analysis (EDX) measurements were carried out
to reveal the surface morphology, crystal structure, cell parameters, grain
sizes, and chemical compositions. Tensile tests were carried out to determine the
ultimate tensile strengths depending on the particle size of each component in
the alloys. The results of the micro-hardness tests were found using a Vickers
test machine for each component of the alloys. 

Anahtar Kelimeler

Electrical and mechanical properties, Micro-hardness, Crystal structure

Kaynakça

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