Open AccessThe parameters values choice for the preliminary thermo mechanical effects on polymeric materials before machining
Author(s) -
O. Yu. Erenkov,
I. Ya. Lopushanskii,
D. O. Yavorskii
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/971/2/022011
Subject(s) - materials science , thermosetting polymer , composite material , machining , polymer , deformation (meteorology) , fracture (geology) , tension (geology) , thermal , composite number , compression (physics) , metallurgy , thermodynamics , physics
In this paper the commonality of the destruction and materials cutting processes is substantiated. The use of preliminary mechanical and thermal effects on polymer composite materials is justified on the base on the provisions of the materials fracture kinetic concept. The ranges of the parameters values for thermal and mechanical effects on polymer composite materials are scientifically sound. Experimental studies of the polymeric materials deformation and fracture processes under uniaxial tension were carried out in order to select rational values of the preliminary mechanical stresses. It has been experimentally proved that the most weakened structure of the material is retained for 5-20 minutes for fluoroplastic and caprolon after preliminary loading. And the rest time between the deformation steps for thermosets such as getinaks and textolite does not affect the formation and change in the material strength.