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The article presents the basic stages and results of the work with the decision support system in the process of risk management of bankruptcy by the example of a machine builder. Application of the suggested system allows solving four main tasks in the process of risk management of bankruptcy: selection of problem ratios; determining the bankruptcy risk level; generating and selecting alternatives for the problem ratios improvement; evaluating the economic efficiency of the chosen alternatives.

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The possibilities of using nanomaterials and nanocoatings for machine building are considered. The review of software for engineering calculations of welding processes and heat treatment is carried out. A decision support system for choosing a rational amount of nanostructured modifier powders for welding corrosion-resistant steels is proposed.