Active standard | Published: 16/01/2014

ISO 29221:2014

Plastics — Determination of mode I plane-strain crack-arrest toughness
(Plastiques — Détermination de la ténacité d´arret de fissure en déformation plane)

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 29221:2014

Publication date: 16/01/2014

Pages: 19

Country: International technical standard

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Anotation

Description / Abstract: ISO 29221:2014 specifies a method for the determination of the plane-strain crack-arrest fracture toughness, Kla, of polymeric materials by using a side-grooved, crack-line-wedge-loaded compact tension specimen to obtain a rapid crack run-arrest segment of flat-tensile separation with a satisfactory crack front. ISO 29221:2014 employs a static fracture analysis determination of the stress intensity factor at a short time after crack arrest. The estimate is denoted as Ka and when certain size requirements are met, the test result provides an estimate, termed as Kla, of the plane-strain crack-arrest toughness of the polymer. The specimen size requirements provide for in-plane dimensions large enough to allow the specimen to be modelled by linear elastic analysis.

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