Experimental Study on Fibre Laser Welding of Titanium Alloy TC4
Applied Laser(2011)
Abstract
A fibre laser was used to weld titanium alloy TC4 with a thickness of 5mm.The effect of parameters on weld profiles,weld microstructure and joint mechanical properties was studied experimentally.The results show that weld free of cracks and pores can be obtained.It is found that the micro-hardness of the weld is higher than that of the substrate and the tensile strength is equivalence to that of the substrate.
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Key words
fibre laser welding,titanium alloy tc4,tensile strength,weld profile
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