نتایج جستجو برای: laser forming process

تعداد نتایج: 1571060  

and R. Naghdabadi, M. Maarefat, M.A. Niazi, Seyyed Jalal Hemmati,

Flame bending process is one of the forming processes of steel plates. During this process, plate is formed with heating by gas torch flame followed by controlled cooling along specified paths. Considering simple tools used in the process, it is a popular and economical forming method. At present, this process is manually done on the basis of skilled technician’s &#10experience. Experimental an...

Journal: :iranian journal of science and technology (sciences) 2005
m. h. mahdieh

a three-step selective photo-ionization for gd155 and gd157 isotopes by pulsed laser wasevaluated numerically. due to large thermal neutron absorption cross sections, these two isotopes innatural gadolinium are good candidates as burnable poison to control reactivity early in the fuel cycleand allow extended fuel burn up. rate equations have been used to calculate the dynamics of the isotopepop...

Journal: :Journal of the Korean Society of Manufacturing Process Engineers 2014

Journal: :Physical review letters 2010
F Mauger C Chandre T Uzer

It is generally believed that the recollision mechanism of atomic nonsequential double ionization is suppressed in circularly polarized laser fields because the returning electron is unlikely to encounter the core. On the contrary, we find that recollision can and does significantly enhance double ionization, even to the extent of forming a "knee," the signature of the nonsequential process. Us...

Journal: :Journal of the Japan Society for Precision Engineering, Contributed Papers 2005

The process of ductile fracture which occurs due to the accumulation, growth and combination of defects or cracks of material is called ductile damage. Failure in materials can be predicted, using damage mechanics and damage criteria. On the other hand, most of the materials depended to the manufacturing process, are formed in warm or hot conditions so that; the temperature also affects on the ...

Journal: :Journal of Solid Mechanics and Materials Engineering 2009

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