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Bu çalışmada AISI 316L paslanmaz çelik ile FeAl esaslı metaller arası bileşiğin sürtünme kaynağı ile birleştirilebilirliği araştırılmıştır. FeAl metaller arası bileşiği vakumlu ark ergitme ocağında üretilmiş, AISI 316L paslanmaz çeliği ise piyasadan temin edilmiştir. Sürtünme kaynağı işlemi 1000d/d sürtünme hızında, 150MPa sürtünme basıncı altında, 6, 9 ve 12sn sürtünme sürelerinde gerçekleştirilmiştir. Kaynak arayüzeyinin mukavemeti kesme testi ile ölçülmüştür. En yüksek mukavemet değeri 12sn süreyle kaynatılan numunede 281MPa olarak bulunmuştur. Kaynak bölgesindeki sertlik değişimi bir malzemeden diğerine kadar mikrosertlik ölçümüyle belirlenmiştir. Kaynak arayüzeyi Taramalı Elektron Mikroskobu (SEM) ile incelenmiş, kaynak bölgesinde bir hat boyunca yapılan bileşim analizinde alaşım elementlerinin miktarlarının değiştiği görülmüştür. Bu ise kaynak arayüzeyinde her iki malzemeyi oluşturan elementlerin difüze olduğunu açığa çıkarmıştır.
This study has studied the combinability of AISI 316L stainless steel and FeAl-based intermetall compound with the drilling source. The FeAl intermetal compound is produced in the vacuum arc erguiting boiler, while the AISI 316L stainless steel is supplied from the market. The drainage source process was performed at 1000d/d drainage speed, under 150MPa drainage pressure, in 6, 9 and 12sn drainage times. The strength of the source interface is measured by cutting test. The highest strength value was found at 281MPa in the coated sample for 12 seconds. The hardness change in the source area is determined by the microserity measurement from one material to the other. The source interface was studied with the scanned electron microscope (SEM), and the composition analysis made along a line in the source area found the amounts of alloy elements changed. This, however, revealed that the elements that make up both materials in the source interface are diffuse.
In this study, the bonding of AISI 316L stainless steel and FeAl based intermetallic compound with friction welding was investigated. The FeAl intermetallic compound was produced in a vacuum arc melting furnace, while AISI 316L stainless steel was supplied from the market. The friction welding process was carried out at a friction speed of 1000 rpm, under a friction pressure of 150 MPa, for friction times of 6, 9 and 12 seconds. The strength of the welding interface was measured by shear test. The highest strength value was found to be as 281 MPa in the sample welded for 12 seconds. The hardness deviation in the welding zone was determined by micro hardness measurement from one material to another one. The welding interface was examined by Scanning Electron Microscopy (SEM) and the composition analysis along a line in the welding region showed that the amount of alloying elements changed. This revealed that the elements of both materials are diffused each other at the welding interface.
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