Features of Implementing Thermomechanical Rolling in Various Types of Mills

Metallurgist - Features of thermo-mechanical rolling in various types of rolling mills are studied: plate mill (continuous, semicontinuous), Steckel mill, and a casting and rolling complex with a...     

Application of a wire-grid-mirror liquid-crystal light valve in a nonlinear joint transform correlator

We describe the operation of a wire-grid-mirror liquid-crystal light valve and its use for optical pattern recognition. The nonlinear characteristic of the wire-grid-mirror liquid-crystal light valve is used to implement the nonlinear joint transform correlator. Experimental results and computer simulations show that the nonlinear characteristic of the wire-grid-mirror liquid-crystal light valve can produce a well-defined correlation peak and low output background. The performance of the nonlinear joint transform correlator obtained when the wire-grid-mirror liquid-crystal light valve is used is compared with that of the binary joint transform correlator.     

Microstructural Features of Low-Alloy Pipeline Steels that Determine Impact Strength of Welded Joint Heat-Affected Zone

Metallurgist - Microstructural mechanisms reducing the impact strength values of a coarse grained heat-affected zone are studied for two K60 microalloyed steels. Research is conducted on specimens...     

Influence of controlled rolling on the structure and mechanical properties of low-carbon microalloy steel

The influence of the temperature and deformation in the finishing stage of rolling on the structure and properties of low-carbon microalloy steel is investigated. The microstructure and mechanical characteristics of the steel are studied as a function of the final temperature T _f.r in the finishing stage and the time interval between the last rolling cell and the accelerated-cooling system.