N.I. Bestuzhev, A.N. Krutilin, V.A. Stefanovich, M.I. Kurbatov, A.N. Bestuzhev Tooth Gears Made of Bainitic Nodular Iron

• Bestuzhev, Nikolai Ivanovich - Candidate of Tech. Sc., Chief Scientific Worker, Research Laboratory of Resources-Saving Technologies, Research Department of Belarus' National Technical University, Republic of Belarus, 220013 Minsk, pr-t Nezavisimosti, 65, office phone: (+37517) 237 30 22.
• Krutilin, Alexander Nikolayevich - Candidate of Tech. Sc., Associate Professor at "Foundry Machinery and Technologies" Chair of Belarus' National Technical University, Republic of Belarus, 220013 Minsk, pr-t Nezavisimosti, 65, office phone: (+37517) 293 92 04.
• Stefanovich, Vasili Alexandrovich - Candidate of Tech. Sc., Associate Professor at "Material Science in Machine Building" Chair of Belarus' National Technical University, Republic of Belarus, 220013 Minsk, pr-t Nezvisimosti, 65, office phone: (+37517) 293 92 04.
• Kurbatov, Maxim Ivanovich - Assistant at "Foundry Machinery and Technologies" Chair of Belarus' National Technical University, Republic of Belarus, 220013 Minsk, pr-t Nezvisimosti, 65, office phone: (+37517) 293 92 04.
• Bestuzhev, Artyom Nikolayevich - Head of Laboratory, Research Laboratory of Resources-Saving Technologies, Research Department of Belarus' National Technical University, Republic of Belarus, Minsk, pr-t Nezavisimosti, 65, office phone: (+37517) 237 30 22.

A.Y. Alexandrov, M.A. Komarov Effect of Inoculation on the Microstructure of Cast High-Speed Tool

• Komarov, Maxim Alexandrovich - born in 1983, 3rd year postgraduate student at the Machine Building Chair of the Kovrov V.A. Degtyarev State Technological Academy. Field of scientific interest: machine building, machine building technology, metallurgy.
• Alexandrov, Alexander Yuryevich - born in 1955, Professor at the Kovrov V.A. Degtyarev State Technological Academy, Doctor of Tech. Sc. Field of scientific interest: weapons and military equipment. Author of more than 70 articles, 10 tutorials, author of 6 inventions protected by author's certificates and patents.

Kropotin N.V., Salamatov Y.I., Kropotin V.V. Mathematical Model of Welding Steel with Cast Iron when Casting

• Kropotin N.V. Institute of Physics and Technology, Urals Division of the Russian Academy of Sciences, Izhevsk, salam@otf.pti.udm.ru
• Salamatov Y.I. Institute of Physics and Technology, Urals Division of the Russian Academy of Sciences, Izhevsk, salam@otf.pti.udm.ru
• Kropotin V.V. Physical Department of the Udmurt State University, Izhevsk, salam@otf.pti.udm.ru

Levshin G.Y., Pavlyuk K.I. Determination of Thermophysical Characteristics of Expendable Mold

• Levshin, Gennadi Yegorovich, Doctor of Tech. Sc., Professor at "Machine Building Technologies and Equipment" Chair of the Altai I.I. Polzunov State Technical University, 656038, Barnaul-38, pr. Lenina, 46, phone: 8-(3852) - 36-85-27, e-mail: ntsc@desert.secna.ru.
• Pavlyuk, Konstantin Ivanovich, Postgraduate student at "Machine Building Technologies and Equipment" Chair of the Altai I.I. Polzunov State Technical University, 656038, Barnaul-38, pr. Lenina, 46, phone: 8-(3852) - 36-85-27, e-mail: ntsc@desert.secna.ru.

Yevstigneyev A.I., Petrov V.V., Dmitriyev E.A. Crack Formation in Electrophoretic Shell Molds

• Yevstigneyev, Alexei Ivanovich - Dr. Tech. Sc., Professor, merited scientist of the RF, Vice-Chancellor for Scientific Efforts, Head of "Foundry Machinery and Technology" Chair of the Komsomolsk-on-Amur State Technical University, e-mail: kmtlp@knastu.ru
• Petrov, Victor Victorovich - Dr. Tech. Sc., Professor at the Komsomolsk-on-Amur State Technical University, e-mail: kmtlp@knastu.ru
• Dmitriyev, Eduard Anatolyevich - Candidate of Tech. Sc., Associate Professor, Doctoral Candidate, Komsomolsk-on-Amur State Technical University, e-mail: dmitriev1273@rambler.ru

S.I. Repyakh Formation Mechanism of Shrinkage Depressions in Investment Casting Patterns

• Repyakh, Sergei Ivanovich, Candidate of Tech. Sc., Chief Metallurgist of OOO "ITL"Lasso", Dnepropetrovsk, Ukraine

Borisov G.P., Semenchenko A.I. On the Role of Pressure in the Formation of High-Quality Aluminum Castings

• Borisov, Georgy Pavlovich; Semenchenko, Physics and Technology Institute of Metals and Alloys of the Ukraine's National Academy of Sciences (Kiev)
• Anatoly Ivanovich, Physics and Technology Institute of Metals and Alloys of the Ukraine's National Academy of Sciences (Kiev)