Journal ArticleDOI
Fatigue of polymers
J. A. Sauer,G. C. Richardson +1 more
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In this paper, the general nature of fracture in polymers, when subject to alternating loads as distinct from static or steadily increasing loads, is reviewed; and the molecular mechanisms and micromechanics aspects of the fatigue fracture process are discussed.Abstract:
The general nature of fracture in polymers, when subject to alternating loads as distinct from static or steadily increasing loads, is reviewed; and the molecular mechanisms and micromechanics aspects of the fatigue fracture process are discussed. Some attention is given to thermal fatigue, where fracture results primarily from a large specimen temperature rise due to hysteresis heating. However, primary emphasis is devoted to mechanical fatigue, in which fracture is a result of initiation and propagation of a crack, as a result of the periodic nature of the applied load.read more
Citations
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Self-healing polymeric materials: A review of recent developments
TL;DR: An overview of various self-healing concepts for polymeric materials published over the last 15 years is presented in this article, where Fracture mechanics of polymeric material and traditional methods of repairing damages in these materials are described to provide context for the topic.
Journal ArticleDOI
Retardation and repair of fatigue cracks in a microcapsule toughened epoxy composite – Part I: Manual infiltration
TL;DR: In this paper, the authors examined two promising crack-tip shielding mechanisms during fatigue of a microcapsule toughened epoxy, and demonstrated the potential for in situ self-healing of fatigue damage.
Journal ArticleDOI
Cracks, microcracks and fracture in polymer structures: Formation, detection, autonomic repair
Firas Awaja,Firas Awaja,Shengnan Zhang,Manoj Tripathi,Anton Nikiforov,Nicola M. Pugno,Nicola M. Pugno,Nicola M. Pugno +7 more
TL;DR: A review on the latest developments on the topics of cracks and micro-cracks initiation and propagation in polymer structures and the current techniques for detection and observation is discussed in this article.
Journal ArticleDOI
An empirical model for fatigue behavior prediction of glass fibre-reinforced plastic composites for various stress ratios and test frequencies
TL;DR: In this paper, a fatigue model for glass fiber-reinforced plastic composites that includes the non-linear effect of stress ratio and load frequency on the fatigue life was proposed.
Journal ArticleDOI
Life extension of self-healing polymers with rapidly growing fatigue cracks
TL;DR: The fatigue life of polymers under extremely fast fatigue crack growth can be extended through the incorporation of periodic rest periods, effectively training the self-healing polymeric material to achieve higher endurance limits.
References
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Book
Viscoelastic properties of polymers
TL;DR: In this article, the authors describe the nature of Viscoelastic behavior of polymeric systems and approximate relations among the linear Viscoels and approximate interrelations among the Viscelastic Functions.
Journal ArticleDOI
Yielding of steel sheets containing slits
TL;DR: In this article, a relation between extent of plastic yielding and external load applied was investigated, and panels containing internal and edge slits were loaded in tension and lengths of plastic zones were measured.
Book
Deformation and Fracture Mechanics of Engineering Materials
TL;DR: In this article, the authors present an overview of fracture mechanics of engineering materials and examine the role of the transition temperature approach to fracture control in the engineering failure process, as well as various aspects of fracture toughness.
Book
Polymer Blends and Composites
TL;DR: The term of this patent was extended or adjusted under 35 U.S.C. 154(b) byday.days as discussed by the authors, and the patent was assigned to Kimberly-Clark Worldwide, Inc., Neenah, WI (US).