In order to solve these problems, many welding methods have been practiced to investigate the joining between titanium alloys and stainless steels, mainly including brazing welding [7, 16-20], laser welding [2, 5, 6, 21-25], electron-beam welding
[26-31], diffusion bonding [32-36], explosive welding [37-40], and friction stir welding [41-47].
Electrical shocks of many types come into play in the practice of physicians, nurses, engineers, attorneys, and expert witnesses, and this will give them all core information on power-line electric currents and accidents, lightning, thermal injury, electrical shocking devices, high-frequency current, direct current, and electric-arc and electron-beam welding
, along with material on the conducting properties of cells, organs fluids and body segments and the role and expectations of technical experts.
The company chose electron-beam welding
for several reasons.
Boeing chose electron-beam welding
for several reasons.
The assembly of planned orbital, lunar, and planetary manned space stations relies on electron-beam welding
. Like lasers, high-voltage electron beams, accelerated and focused by electromagnetic fields, can instantly vaporize metals or create deep, narrow penetration burns.
Koleva, "Use of a secondary current sensor in plasma during electron-beam welding
with focus scanning for process control," Journal of Sensors, vol.
As compared to the more commonly employed thermionic cathode approach for electron-beam formation, plasma cathode or plasma electron emitter approaches can produce greater emission current density, are capable of pulsed beam generation, can operate over a wide range of back-ground gas pressure, and are only weakly dependent on the residual vacuum conditions, among other advantages which make them attractive for applications such as electron-beam welding
and powder cladding, modification of material surface properties, generation of electromagnetic raditaino, plasma chemical and radiation technologies, and more.
Is there a competition now between YAG and electron-beam welding
? "Not at the lower power," Walker feels, "but this will happen when YAG gets into higher power levels--several kilowatts.
(EBW) offers many benefits, including deep, narrow, and almost parallel side welds, plus low total heat input and comparatively small heat-affected zones.