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<strong>Study on microstructure and mechanical property of Ti-6Al-4V brazed joint with low temperature filler metal</strong>

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Title Statement <strong>Study on microstructure and mechanical property of Ti-6Al-4V brazed joint with low temperature filler metal</strong>
 
Added Entry - Uncontrolled Name Kumar, Santhebachahalli Venkataramu Anil; Department of Production Engineering, PSG College of Technology, Coimbatore, Tamil Nadu 641004, India
Gandhinathan, Rangappan ; Department of Production Engineering, PSG College of Technology, Coimbatore, Tamil Nadu 641004, India
 
Uncontrolled Index Term Brazing, Mechanical properties, Microstructure, Ti-6Al-4V, Vacuum furnace
 
Summary, etc. This study investigates the microstructure and mechanical properties of Ti-6Al-4V brazed joints which has been performed in a vacuum furnace using BAg-22 (Ag–16Cu–23Zn–4.5Ni-7.5Mn, wt. %) as filler metal. The microstructure of the brazed joints has been analyzed by means of optical microscope, scanning electron microscope (SEM) and X-Ray diffraction (XRD). In addition, the mechanical strengths of the joints have been evaluated by shear test and microhardness test. Brazing temperatures employed in this study are 720, 750, and 780 °C for a holding time of 30 min. By increasing the brazing temperature, a variety of intermetallic phases have been formed in the bond area, such as CuTi, CuTi2, Mn2Ti, MnZn2, AgZn and Ag solid solution. Both the brazing temperature and the brazing time seem have critical factors for controlling the microstructure and the better mechanical property of the brazed joints. The maximum shear strength of 154.15 MPa has been achieved at 780 °C and a holding time of 30 min.
 
Publication, Distribution, Etc. Indian Journal of Engineering and Materials Sciences (IJEMS)
2021-01-11 15:40:19
 
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http://op.niscair.res.in/index.php/IJEMS/article/view/45080
 
Data Source Entry Indian Journal of Engineering and Materials Sciences (IJEMS); ##issue.vol## 27, ##issue.no## 3 (2020): Indian Journal of Engineering and Materials Sciences
 
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