Volume 3, Issue 2 (Journal OF Welding Science and Technology of Iran 2018)
JWSTI 2018, 3(2): 90-104 |
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Khorram A, Davoodi Jamalooei A, Jafari A. On the microstrctral and machanical properties of similar TLP bonding of Inconel 600 superalloy sheet. JWSTI 2018; 3 (2) :90-104
URL: http://jwsti.iut.ac.ir/article-1-164-en.html
URL: http://jwsti.iut.ac.ir/article-1-164-en.html
1- K.N.Toosi University of Technology, Tehran, Iran
2- , Isfahan University of Technology, Isfahan, Iran
3- Iran University of Industries and Mines, Tehran, Iran
2- , Isfahan University of Technology, Isfahan, Iran
3- Iran University of Industries and Mines, Tehran, Iran
Abstract: (7989 Views)
In this study, microstructural evaluation and mechanical properties of similar TLP bonded of Inconel 600 by using of BNi-2 interlayer were investigated. The bonding tests were carried out at 1050°C and 1100°C for 5-45 min which homogenization treatment was performed on the best of the bonded samples. Results showed that Ni-B eutectic compound was formed in the a-thermally solidification zone (ASZ) of the bonded sample at 1050°C. In addition to existence of the Ni-B compound, Cr-B was observed in the ASZ of the bonded sample at 1100°C. Ni-B and Ni-Cr-B were formed in the diffusion affected zone (DAZ). TLP bonded sample at 1050°C for 45min including discontinuous areas of ASZ in isothermal solidification zone (ISZ) was the best bonded sample. Homogenization process was carried out on this sample caused to elimination of the eutectic compounds, completely. Mechanical investigation revealed that due to existence of the intermetallic compounds in the ASZ and DAZ, value of hardness for this region were about 510 and 311 HV, respectively. Whit elimination of the intermetallic compounds by performing of homogenization treatment, mechanical properties of the boding region were improved.
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