Polymer Mechanics

, Volume 13, Issue 1, pp 31–36 | Cite as

Endurance limit of polyethylene during cyclic loading under conditions of a plane stressed state

  • V. A. Sherstnev
  • A. Ya. Gol'dman
Strength Of Materials


The effect of the asymmetry of the loading cycle on the fatigue strength of HDPE subjected to biaxial tension has been studied. An increase in the acuteness of the cycle leads to an increase in the durability of the material. Under conditions of cyclic loading, the material became embrittled as the duration of the experiment was extended. The effect of various different ratios between the principal stresses on the fatigue strength of HDPE has been investigated. It has been shown that the form of the isochronous boundary curves depends on the duration of the experiment. It was established that the mechanism of HDPE fracture changes depended on the duration of the loading. The accumulation of defects, when an experiment was of average or longer duration, built up at a greater rate than would have been predicted by a linear rule for summation.


Fatigue Polyethylene Stressed State Principal Stress Cyclic Loading 
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Copyright information

© Plenum Publishing Corporation 1977

Authors and Affiliations

  • V. A. Sherstnev
  • A. Ya. Gol'dman

There are no affiliations available

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