The purpose is the investigation of the laws of forming the operational characteristics and physico-mechanical properties of investment shell moulds, studying the influence of the technological parameters of the mould formation on the quality of castings obtained strength of the shell moulds have been devised. Techniques used for determining the quality of ethyl silicale and crack. Methods of intensifying the process of preparation of ethyl silicate suspensions, a means of controlling the quality of ethyl silicate have been devised; a means of determining a crack resistance of the shell moulds and a method of defining the physical and mecanical characteristics of the mould specimens have been developed, with their lamination and porosity considered. The processes of preparation of ethylsilicate suspensions and processes of shell mould formation and the production equipment used for preparing binders and suspensions have been developed. The technological processes have been introduced into production at the Integrated Aircraft Production Works (Arsenyev, the Primorsky Region)Available from VNTIC / VNTIC - Scientific & Technical Information Centre of RussiaSIGLERURussian Federatio
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