Modeling the Temperature Distribution in the Contact Area of a Moving Object in the Case of Linear Friction Welding

2013 ◽  
Author(s):  
Alexander T. Bikmeyev ◽  
Rafail K. Gazizov ◽  
Achilles Vairis ◽  
Alfiya M. Yamileva
Keyword(s):  
Temperature Distribution ◽  
Contact Area ◽  
Friction Welding ◽  
Quantitative Agreement ◽  
Moving Object ◽  
Heat Equations ◽  
Infinite Plane ◽  
Linear Friction Welding ◽  
Ansys Apdl ◽  
Linear Friction

This paper describes the results of the mathematical and computer modeling efforts of heat generation in the contact area of a moving object on an infinite plane with friction. The distribution of contact pressure with a linear approximation was obtained. The heat equations for a nonlinear volume heat source were solved. It is shown, that at the initial stages of the linear friction welding (LFW) process temperature distribution is non-elliptical with two hot spots appearing near the edges of the moving specimen. Then as the process progresses these two spots expand and move to the center of the specimen. The results of the mathematical and the numerical modeling in ANSYS APDL software are in good quantitative agreement.

Effect of Process Parameters on Welding Variables during Linear Friction Welding of Ti-6Al-4V Alloy

2011 ◽  
Vol 314-316 ◽  
pp. 979-983
Author(s):  
Tie Jun Ma ◽  
Xi Chen ◽  
Wen Ya Li
Keyword(s):  
Titanium Alloy ◽  
Process Parameters ◽  
Friction Welding ◽  
Welding Process ◽  
Orthogonal Experimental Design ◽  
Linear Friction Welding ◽  
Influence Of Process Parameters ◽  
Linear Friction ◽  
Suitable Process ◽  
Axial Shortening

The orthogonal experimental design was conducted for linear friction welding of Ti-6Al-4V titanium alloy (TC4). The friction power and joint temperature were collected during the welding process. The influence of process parameters on the axial shortening was analyzed. The suitable process parameters were determined by investigating the joint appearance, the requirement of axial shortening and welding variables during welding. The results provide important reference for establishing process parameters of linear friction welding in practice.

Linear Friction Welding of IN718 to Ti6Al4V

2016 ◽  
Vol 879 ◽  
pp. 2072-2077 ◽  
Author(s):  
Priti Wanjara ◽  
Javad Gholipour ◽  
Kosuke Watanabe ◽  
Koji Nezaki ◽  
Y. Tian ◽  
...  
Keyword(s):  
Friction Welding ◽  
Mechanical Performance ◽  
Fuel Efficiency ◽  
Intermetallic Phase ◽  
Dissimilar Materials ◽  
Ti Alloy ◽  
Linear Friction Welding ◽  
Linear Friction ◽  
Automated Technology ◽  
Base Superalloy

Linear friction welding (LFW), an emerging automated technology, has potential for solid-state joining of dissimilar materials (bi-metals) to enable tailoring of the mechanical performance, whilst limiting the assembly weight for increased fuel efficiency. However, bi-metallic welds are quite difficult to manufacture, especially when the material combinations can lead to the formation of intermetallic (brittle) phases at the interface, such as the case with assembly of Ti base alloys with Ni base superalloys. The intermetallic phase, once formed, lowers the performance of the as-manufactured properties and its growth during elevated temperature service can lead to unreliable performance. In this project, it was demonstrated that linear friction welding can be applied to join Ti-6%Al-4%V (workhorse Ti alloy) to INCONEL® 718 (workhorse Ni-base superalloy) with minimized interaction at the interface. Of particular merit is that no intermediate layer (between the Ti alloy and Ni-base superalloy) was needed for bonding. Characterization of the bi-metallic weld included macro-and microstructural examination of the flash and interface regions and evaluation of the hardness.

Linear friction welding of a near-β titanium alloy

2012 ◽  
Vol 60 (2) ◽  
pp. 770-780 ◽  
Author(s):  
E. Dalgaard ◽  
P. Wanjara ◽  
J. Gholipour ◽  
X. Cao ◽  
J.J. Jonas
Keyword(s):  
Titanium Alloy ◽  
Friction Welding ◽  
Linear Friction Welding ◽  
Linear Friction

Linear Friction Welding of Dissimilar Materials 316L Stainless Steel to Zircaloy-4

2018 ◽  
Vol 49 (5) ◽  
pp. 1641-1652 ◽  
Author(s):  
P. Wanjara ◽  
B. S. Naik ◽  
Q. Yang ◽  
X. Cao ◽  
J. Gholipour ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Friction Welding ◽  
316L Stainless Steel ◽  
Dissimilar Materials ◽  
Linear Friction Welding ◽  
Linear Friction
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