INHIBITORY EFFECT AND FACTORS OF CHEMICAL STRUCTURE OF VINYL ETHERS OF AMINO ALCOHOLS

The article presents the results of a study of the relationship between the inhibitory properties and factors of the chemical structure (electron density on the nitrogen atom, ionization potential, molecular weight, total energy) of vinyl ethers of amino alcohols

Fast Atom Ionization in Strong Electromagnetic Radiation

The Goeppert–Mayer and Kramers–Henneberger transformations are examined for bound charges placed in electromagnetic radiation in the non-relativistic approximation. The consistent inclusion of the interaction with the radiation field provides the time evolution of the wavefunction with both structural interaction (which ensures the bound state) and electromagnetic interaction. It is shown that in a short time after switching on the high-intensity radiation the bound charges are set free. In these conditions, a statistical criterion is used to estimate the rate of atom ionization. The results correspond to a sudden application of the electromagnetic interaction, in contrast with the well-known ionization probability obtained by quasi-classical tunneling through classically unavailable non-stationary states, or other equivalent methods, where the interaction is introduced adiabatically. For low-intensity radiation the charges oscillate and emit higher-order harmonics, the charge configuration is re-arranged and the process is resumed. Tunneling ionization may appear in these circumstances. Extension of the approach to other applications involving radiation-induced charge emission from bound states is discussed, like ionization of molecules, atomic clusters or proton emission from atomic nuclei. Also, results for a static electric field are included.

Atom Ionization in Metal Cutting

The inspiration for developing this atomic model comes from Merchant’s models for studying chip strain and shear angle. In this paper the 2D Merchant’s Diagram of Circles has been replaced by atoms of the workpiece and tool. This research reveals that atom losing electrons in workpiece is common in metal cutting. Also at the atomic level, cutting workpiece leads to an electric process to occur, which valence electrons leave atoms of the workpiece material as cutting tool pushing forward, forming a charged zone in the workpiece which weakens its strength and eventually causes them to be removed as cutting chip. In this paper, the charged zone was calculated for cutting 1040 steel with a tungsten carbide tool. Experimental results of electromotive force are presented to support the existence of an electrical charge in metal cutting.