MATERIALS FOR MARINE PROPELLERS MANUFACTURING NORMATIVE REQUIREMENTS ANALYSIS

Keywords: normative requirement, standard, marine propellers, alloying elements, mechanical and technological properties, corrosion resistance

Abstract

Purpose. On the basis of regulatory requirements for used materials comparative analysis, effective directions for alloys compositions and processing technologies improving for sea-going ships propellers manufacturing have to be determined. Taking into account the data obtained, prospective materials and measures for shipping products reliability and durability improving have to be established.
Methods. Object of this analysis has been up-to-date normative and technical database concerning standard and advanced materials for sea vessels propellers manufacturing compositions and production technologies. Comparative analysis method has been used in order to substantiate the prospects of special bronzes for analyzed parts manufacturing implementation.
Results. From set of indicators of structural strength, wear resistance and operational reliability point of view it has been established that the most appropriate material for propellers manufacturing are aluminum bronzes additionally alloyed with manganese and tin.
Originality. Technical solution novelty lies in the fact that on the basis of normative and technical requirements for aluminum bronzes analyses, which are standardly used for propellers production, the prospects of their additional alloying with tin have been proved. This contributes to corrosion and abrasion resistance improvement. Alloying with manganese in rational amount provides strength characteristics increasing.
Practical implications. Up-to-date information concerning the problem of propellers reliability and durability increasing has been provided. One of the methods for this problem solving is material for their manufacturing targeted choosing. Aluminum bronzes with reasonably justified amount of alloying components as effective materials for sea vessels executive propulsion elements manufacturing have been proposed.

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Published
2020-09-30
How to Cite
Кimstach T., Uzlov , K., Repyakh , S., & Solonenko , L. (2020). MATERIALS FOR MARINE PROPELLERS MANUFACTURING NORMATIVE REQUIREMENTS ANALYSIS. Metallurgical and Ore Mining Industry, (3), 28-38. https://doi.org/10.34185/0543-5749.2020-3-28-38