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  1. No Access

    Article

    Internal friction related to changes in the shape of small inclusions

    Sizes of the second-phase microinclusions typical of III-V, II-VI, and IV-VI semiconductor compounds and their derivatives were theoretically estimated. A formula relating the temperature shift of the internal...

    Yu. N. Andreev, B. M. Darinskii, V. A. Moshnikov, D. S. Saiko… in Semiconductors (2000)

  2. No Access

    Article

    Study of submicron deposits in polycrystalline materials using the internal-friction method

    An internal friction method is proposed for investigating the kinetics of impurity deposits on grain surfaces in polycrystalline samples. The possibilities of the method have been tested on polycrystalline, ga...

    Yu. N. Andreev, N. P. Yaroslavtsev, M. V. Bestaev, D. Ts. Dimitrov… in Semiconductors (1997)

  3. No Access

    Article

    Optimization problem of the hardening of rolling mill rolls and methods of its solution

    At present it is suggested to use mathematical models, and not only for evaluating the quality of hardening. There is an increasing number of publications containing new models for optimizing regimes of heat t...

    N. A. Adamova, Yu. N. Andreev, Yu. V. Yudin… in Metal Science and Heat Treatment (1989)

  4. No Access

    Article

    A comparison of two methods of solution of the problem of obtaining the specified carbon distribution in the minimum time

    Yu. N. Andreev, E. Z. Chernyakhovskii in Metal Science and Heat Treatment (1989)

  5. No Access

    Article

    Some extremal problems of heat transfer in a layer

    Three extremal problems of heat transfer in a layer are formulated for the condition of reverse motion of the thermal medium. The results of numerical solutions of the problems are presented in graphical form.

    Yu. N. Andreev, A. Kh. Slobodyanskii in Journal of engineering physics (1971)

  6. No Access

    Article

    An approximate solution of the problem involved in the heating of steel with minimum decarbonization

    The problem of optimum control for the process of metal heating is formulated so as to achieve minimum decarbonization. The calculational formulas are presented for the local numerical method of an approximate...

    Yu. N. Andreev in Journal of engineering physics (1968)

  7. No Access

    Article

    Calculating the heating of a massive cylinder by the sweep method

    Numerical solution of the heat conduction problem for a massive cylinder with allowance for heat transfer by radiation at the cylinder surface and for the furnace time lag is considered.

    Yu. N. Andreev, V. M. Orkin in Journal of engineering physics (1967)

  8. No Access

    Article

    Optimum control of the heating of massive bodies

    The general problem of controlling the heating of massive bodies in chamber furnaces is formulated, and optimum control solutions are given for two cases of heating of a plate with Newtonian heat transfer at i...

    Yu. N. Andreev, A. G. Butkovskii in Journal of engineering physics (1965)

  9. No Access

    Article

    A light-weight laboratory scelerometer

    The scelerometer enables one to estimate the relative hardness of a material, and to measure the mean height of the ridges on glass and metal surfaces.

    Yu. N. Andreev in Measurement Techniques (1959)