SLOW CRACK GROWTH RESISTANCE OF REPROCESSED PVC

Plastic Pipes Conference Association # 2021 Amsterdam Andreas Frank, Mario Messiha, Günter Dreiling, Norbert Schuler, Jens-Martin Storheil, Erwin Mayrbäurl, Stuart Ramella, Frank Krause, Rudi Berning, Philippe Gabriëls, Alpay Aydemir, Thomas Koch, Florian Arbeiter, Gerald Pinter The Cyclic Cracked Round Bar (CRB) Test has been applied to study the slow crack growth (SCG) resistance of virgin, […]

Juni 12, 2023

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A Complete Set of Specifications for All Kinds of Plastics Pipeline

Wolters, Wikkerink Standards & Specs # 2006 Washington DC The use of plastic pipeline materials in gas distribution systems is still increasing. Presently PE and high impact PVC are the dominating materials in gas distribution networks up to 4 bar. Most of these networks operate at these pressures, only a limited part of the network […]

Mei 29, 2023

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A novel procedure for characterizing fatigue crack growth in CRB specimens via an optical technique

Joerg Fischer, Paul J. Freudenthaler, Patrick R. Bradler, Reinhold W. Lang Papers # 2016 Berlin Cyclic tests with cracked round bar (CRB) specimens have been used for some time to characterize the slow crack growth behavior of polyolefin pipe grade materials. In fact, most recently a standardized test procedure for cyclic CRB testing has been […]

April 17, 2023

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Fatigue crack growth testing in chlorinated water at elevated temperatures – Test equipment and test procedure

Joerg Fischer, Patrick R. Bradler, Reinhold W. Lang Papers # 2018 Las-Vegas In the present paper, a novel test system for conducting fatigue crack growth (FCG) experiments under superimposed mechanical-environmental conditions is presented. FCG experiments were performed on a polypropylene (PP) grade and a short-glass fiber reinforced polyamide 66 (PA-GF) grade as model materials. The […]

Januari 23, 2023

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USABILITY OF THE STRAIN HARDENING TEST AS A COMPONENT TEST FOR POLYETHYLENE PIPES

Britta Gerets, Mirko Wenzel, Kurt Engelsing # 2021 Amsterdam The strain hardening test (SHT, ISO 18488 [1]) becomes increasingly important for the characterization of high-density polyethylene (HDPE) grades and pipes made thereof. With regard to small pipe diameters, a smaller test specimen than the one defined in ISO 18488 has been developed. SHT results were […]

Oktober 17, 2022

by admin in Industry News, Uncategorized

FRACTURE MECHANICS TECHNIQUES IN LARGE DIAMETER PVC PIPES

Antonio Rodolfo Jr., Vanderley M. John # 2021 Amsterdam Unplasticised (U-PVC) and modified (M-PVC) pipes used in irrigation and infrastructure applications, outside diameter 326 mm, were evaluated according to various fracture mechanics methodologies, including fracture toughness (stress intensity factor KC and energy release rate GC, both at fracture), essential work of fracture (EWF) and C-ring […]

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SLOW CRACK GROWTH RESISTANCE OF REPROCESSED PVC

A Complete Set of Specifications for All Kinds of Plastics Pipeline

A novel procedure for characterizing fatigue crack growth in CRB specimens via an optical technique

Fatigue crack growth testing in chlorinated water at elevated temperatures – Test equipment and test procedure

USABILITY OF THE STRAIN HARDENING TEST AS A COMPONENT TEST FOR POLYETHYLENE PIPES

FRACTURE MECHANICS TECHNIQUES IN LARGE DIAMETER PVC PIPES

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