Definition of quantitative factors, significantly influencing on technological characteristics of model compositions

Aslanyan I.R., Rassokhina L.I., Ospennikova O.G.
UDC
66.017
DOI
10.18577/2307-6046-2018-0-12-3-13
Article PDF (Russian) (733.98 KB)
How to cite
Aslanyan I.R., Rassokhina L.I., Ospennikova O.G. Definition of quantitative factors, significantly influencing on technological characteristics of model compositions // Proceedings of VIAM. 2018. No. 12. DOI: 10.18577/2307-6046-2018-0-12-3-13. URL: https://test.viam.ru/en/journal/2018/12/1
Keywords
factorial experiment, planning matrix, regression equation, model compositions, dropping temperature, heat stability.
Abstract

The modern model compositions for investment casting represent the complex the mixes, possessing diverse properties that is caused by availability of the big numbers of initial components in their structure. In this regard identification of the general patterns of change of technical characteristics on model compositions in dependences on quantitative structure even basic components, and, therefore, and development of modern model compositions, the models of casting intended for manufacturing of responsible details, represents quite complex challenge quantitative and qualitative choice of initial components.

In this work this task decided by means of mathematical methods of planning of experiment that has allowed to establish the influence of basic components (mutual solvent, the polymer, strengthening component and filler) on some technological properties of model compositions.

Use of the full factor experiment when developing model compositions with the set technological by properties has allowed to determine the extent of influence of quantitative factors (the main components which are a part of model compositions) on dropping temperature and heat stability of model structures. As a result of the carried out experiments it is established that on dropping temperature the main influence renders strengthening component and polymer, and on heat stability temperature the main influence renders polymer and mutual solvent. With increase quantities of strengthening component and polymer in model compositions of its dropping temperature will decrease. Temperature of heat stability of the model compositions will decrease with increase in amount of polymer and mutual solvent in its structure. Thus maintenance of filler, as separate factor, does not make considerable impact on dropping temperature and heat stability of model compositions, but infl

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