Research of tribotechnical characteristics of materials used in the development of compositions of lubricants for casting under pressure of aluminum alloys and polymeric products

The article describes the requirements for lubricants (release coatings) used in injection molding of aluminum alloys and polymeric materials. A methodology for conducting research to determine the tribotechnical characteristics of materials used in the development of the composition of a lubricant for injection molding aluminum alloys and polymer products, as well as the results of a study of tribotechnical characteristics (friction coefficient) are presented. It has been established that as materials used in the development of a multifunctional lubricant composition for casting aluminum alloys and polymer products, it is advisable to use a fraction of soap stock and fus after their preliminary sedimentation (at least 3 months). It is shown that the smallest value of the coefficient of friction at the time of indenter breaking on the surface of the steel disk was obtained using a fus. Moreover, the value of the coefficient of friction is 14–33% lower than the same indicator for other studied lubricants (petroleum jelly, PMS-100 and soap stock). It was found that in the mode of reciprocal movement of the indenter on the surface of the steel disk, the coefficient of friction when using a fus is 1,7–3,3 times lower than when using Vaseline, PMS-100 and soap stock as lubricant.

1. Mikhaltzov A. M., Rozum V. A., Pivovarchyk A. A. Vodojemul’sionnye smazki dlja press-form lit’ja pod davleniem [Water emulsion lubricants for injection molding molds]. Lit’e i metallurgija = Foundry production and metallurgy, 2005, no. 4, pp. 104–106.

2. Pivovarchyk A. A., Mikhaltzov A. M. Smyvaemost’ razdelitel’nyh pokrytij pri izgotovlenii otlivok iz aljuminievyh splavov metodom lit’ja pod davleniem [Washing up of separate coatings in the manufacturing cases from aluminum alloys by prossure casting]. Lit`e i metallurgiya = Foundry production and metallurgy, 2018, no. 1, pp. 78–83.

3. Kalinchev E. L., Sakovtseva M. B. Jeffektivnoe lit’e pod davleniem polimernyh materialov so smazkami [Effective injection moulding of polymer materials with lubricants]. Polimernye materialy = Polimer materials, 2014, no. 7, pp. 14–26.

4. Pivovarchyk E. V., Mikhaltsov M. A. Smazka dlja izgotovlenija peschano-smoljanyh sterzhnej po nagrevaemoj osnastke [Lubricants for the manufacture of sand-smoothed rods by hydraulic tooling]. Lit’e i metallurgija = Foundry production and metallurgy, 2018, no. 1, pp. 69–74.

5. Mikhaltzov A. M., Pivovarchyk A. A., Subbota A. A. Gazotvornost’ razdelitel’nyh pokrytij dlja press-form lit’ja aljuminievyh splavov pod davleniem [Gasification of separation coatings for die-casting molds of aluminum alloys under pressure]. Lit`e i metallurgiya = Foundry production and metallurgy, 2010, no. 4, pp. 85–89.

6. Mikhaltzov A. M., Pivovarchyk A. A., Rozum V. A. Razrabotka vodojemul’sionnyh smazok dlja press-form lit’ja pod davleniem [Development of water-based lubricants for injection molds]. Litejnoe proizvodstvo = Foundry production, 2006, no. 3, pp. 15–16.

7. Mikhaltzov A. M., Pivovarchyk A. A., Slepneva L. M. Razrabotka kompleksnogo komponenta na osnove kremnijorganicheskih polimerov dlja press-form lit’ja pod davleniem [Development of a complex component based on organosilicon polymers for injection molds]. Lit`e i metallurgiya = Foundry production and metallurgy, 2008, no. 1, pp. 129–133.

8. Pivovarchyk A. A., Slepneva L. M., Rozum V. A. Razrabotka razdelitel’nyh pokrytij na osnove kremnijorganicheskih materialov dlja press-form lit’ja pod davleniem [Development of separation coatings on the basis of organosilicon materials for die-casting molds]. Liteyschik Rossii = Russian Foundrymen, 2007, no. 1, pp. 36–40.

9. Mikhaltzov A. M., Pivovarchyk A. A., Dyatlovsky S. K. Materialy razdelitel’nyh pokrytij press-form lit’ja aljuminievyh splavov pod davleniem [Materials of separation coatings of die-casting molds of aluminum alloys under pressure]. Liteyschik Rossii = Russian Foundrymen, 2012, no. 7, pp.33–40.

10. Pivovarchyk A. A., Mihaltzov A. M. Formirovanie sloja razdelitel’nogo pokrytija na poverhnosti press-formy pri lit’e pod davleniem [Forming a layer of the separation coating on the surface of the mold during injection molding]. Lit`e i metallurgiya = Foundry production and metallurgy, 2015, no. 1, pp. 62–65.

11. Mikhaltsov А. М., Pivavarchyk A. A. Issledovanie adgezionnoj sposobnosti smazok na osnove kremnijorganicheskih polimerov dlja lit’ja pod davleniem aljuminievyh splavov [Study adhesiveness greases based on silicone polymers for injection molding of aluminum alloys]. Lit’e i metallurgija Foundry production and metallurgy, 2007, no. 1, pp. 131–134.

12. Mikhaltzov A. M., Pivovarchyk A. A. Jerozionnaja stojkost’ smazok pri izgotovlenii otlivok iz aljuminievyh splavov metodom lit’ja pod davleniem [Erosion resistance of lubricants in the manufacture of castings from aluminum alloys by injection molding]. Lit`e i metallurgiya = Foundry production and metallurgy, 2008, no. 2, pp. 47–51.

13. Mikhaltzov A. M., Pivovarchyk A. A. Issledovanie adgezionnoj sposobnosti smazok na osnove kremnijorganicheskih polimerov dlja lit’ja pod davleniem aljuminievyh splavov [Investigation of the adhesiveness of lubricants based on organosilicon polymers for die casting of aluminum alloys]. Liteyschik Rossii = Russian Foundrymen, 2007, no. 7, pp.11–13.

14. Mikhaltzov A. M., Pivovarchyk A. A. Nakoplenie razdelitel’nyh pokrytij na rabochej poverhnosti tehnologicheskoj osnastki pri lit’e pod davleniem aljuminievyh splavov [Accumulation of separation coatings on the working surface of the tooling when casting aluminum alloys under pressure]. Metallurgiya: Respublicanskij mezhvedomstvennyi sbornik nauchnyh trudov = Metallurgy: Republican interdepartmental collection of scientific works. Minsk, BNTU Publ., 2007, vyp. 31, pp. 179–189.

15. Pivovarchyk A. A. Jerozionnaja stojkost’ razdelitel’nyh pokrytij pri lit’e pod davleniem Al-splavov [Erosion resistance of release coatings for injection molding of Al alloys]. Litejnoe proizvodstvo = Foundry production, 2017, no. 1, pp. 23–26.

16. Mikhaltzov A. M., Pivovarchyk A. A., Skaskevich А. A. Perspektivnye materialy, ispol’zuemye pri razrabotke sostavov smazok dlja lit’ja pod davleniem [Promising materials used in the development of lubricant compositions for injection molding]. Lit`e i metallurgiya = Foundry production and metallurgy, 2019, no. 3, pp. 70–73.

17. Mikhaltzov A. M., Pivovarchyk A. A., Kiselev S. V. Analiz javlenij, voznikajushhih v zone kontakta otlivka - sterzhen’ pri lit’e pod davleniem aljuminievyh splavov [Analysis of the phenomena arising in the contact zone of the casting – core during injection molding of aluminum alloys]. Metallurgiya: Respublicanskij mezhvedomstvennyi sbornik nauchnyh trudov = Metallurgy: Republican interdepartmental collection of scientific works. Minsk, BNTU Publ., 2011, vyp. 33, pp. 131–137.

18. Pivovarchyk A. A., Mikhaltzov A. M., Dashkevich V. G. Obrazovanie zadirov na poverhnosti otlivok pri lit’e aljuminievyh splavov pod davleniem [Formation of scoring on the surface of castings in the casting of aluminum alloys under pressure]. Litejshhik Rossii = Foundry production, 2013, no. 2, pp. 40–42.

19. Mikhaltzov A. M., Pivovarchyk A. A., Bezok A. P. Kontaktnye processy na granice razdela sterzhen’ – otlivka pri lit’e pod davleniem aljuminievyh splavov [Contact processes at the interface of the rod – casting during injection molding of aluminum alloys]. Lit’e i metallurgija = Foundry production and metallurgy, 2009, no. 4, pp. 48–54.