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Questions related from Rinat Seidgazov
There are three operating parameters - the laser power, the diameter of the focus spot and the scanning speed. It is necessary to obtain a seam of a given depth without pores. What parameter...
28 July 2024 7,125 2 View
There are a lot of experimental results that strongly contradict this hypothesis, as well as alternative ideas about of hydrodynamics of welding. You never thought about it?
06 March 2018 5,899 7 View
The depth of the keyhole welding in vacuum increases sharply (in nearly 3 times) compared with atmospheric conditions. There are not very convincing assumptions, but the real reason is stiil unknown.
21 July 2015 8,466 44 View
The cavity depth in isolated copper target is about twice as much compared with the sample with grounding (M. A. Sultanov, 1990)
13 July 2015 664 6 View
It is widely recognized that the melt flow in weld seam formation occurs under the influence of recoil pressure of vapor. However, the search for such experiments which would have confirmed this...
01 April 2014 6,228 18 View
According to a number of theoretical researches the vapor pressure inside a keyhole reaches up to 0,1-10 atm. But in measurements taking from literature these values are not more than 0,0001-0,001...
15 February 2014 8,207 19 View
It seems the capillary model of pores formation in deep penetration welding makes it possible to predict the pore’s frequency and their volume depending on the welding speed. The predictions are...
06 February 2014 4,377 2 View
A new strategy for the numerical modeling of a weld pool Dear authors, Do you plan to simulate deep penetration welding? Can you take into account the thermocapillary flow transition from...
01 January 1970 4,286 3 View
