Volume 5, Issue 2 ((Journal OF Welding Science and Technology) 2020)
JWSTI 2020, 5(2): 77-88 |
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Belbasi M, Rezae M. The Effect of pin geometry on the mechanical property of Aluminium 6061-alumina composite made by friction stir welding. JWSTI 2020; 5 (2) :77-88
URL: http://jwsti.iut.ac.ir/article-1-285-en.html
URL: http://jwsti.iut.ac.ir/article-1-285-en.html
1- , dr.belbasi@gmail.com
Abstract: (5331 Views)
Today in addition to Join by friction stir welding, the composite fabrication process is also performed simultaneously. The main purpose of the present research is to investigate the effect of pin geometry on the property of Aluminum 6061- alumina nanocomposite created by friction stir welding. For this purpose friction stir welding was carried out by selecting five types of pin geometries on Aluminum 6061 in which Al2O3 particles were deposited and the samples were examined by tensile and hardness tests, optical and electron microscope. Samples were investigated by tensile and hardness test, optical and electronic microscopy. Regular hexagonal pins due to having six smooth face and impulsive movement during rotation, caused a good perturbation which resulted in maximum tensile strength and elongation percentage of 198 MPa and 10.25 and minimum grain size of 13.3 micron, respectively. In the sample welded by a threaded cylindrical pin due to non-impact during rotation, inappropriate flow of reinforcing particles and its accumulation at perturbation the lowest tensile strength and elongation percentage of 133.5 MPa and 1.95%, respectively, were observed.
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