A review on the durability of PVC sewer pipes: research vs. practice

KF Makris, J Langeveld… - Structure and …, 2020 - Taylor & Francis
Polyvinyl chloride (PVC) has become one of the dominant construction materials for sewer
systems over the past decades, as a result of its reputed merits. However, since PVC sewer …

Residual stress in polyethylene pipes

J Poduška, P Hutař, J Kučera, A Frank, J Sadílek… - Polymer Testing, 2016 - Elsevier
This paper deals with residual stress in polyethylene (PE) pipes as an important factor that
influences their lifetime. Residual hoop stress distribution in a PE pipe was determined …

Research progress in polyethylene pipeline hot melt welding technology

LI Zhaopu, WU Liwen, Q Liang, FAN Junming… - China Plastics, 2022 - plaschina.com.cn
In this review paper, the influencing factors of the hot⁃ melt welded joints of polyethylene
pipes were briefly described, and the research progress in the reliability testing methods of …

[HTML][HTML] Investigating the time-and space-dependent mechanical, physical and chemical properties of aged polyethylene gas pipes using nanoindentation tests

S Zha, H Lan, N Lin, Y Liu, T Meng - Journal of Materials Research and …, 2023 - Elsevier
Macroscopic tensile tests are conventionally used to obtain mechanical properties of aged
polyethylene (PE) gas pipes, but cannot characterize the inhomogeneous aging behavior of …

Analysis of residual stress profiles in plastic materials using the hole drilling method–influence factors and practical aspects

A Magnier, B Scholtes, T Niendorf - Polymer Testing, 2017 - Elsevier
The current work introduces a procedure to locally measure residual stresses in polymers.
For this purpose, the hole drilling method was adapted to the prevailing boundary …

Determination of residual stresses in amorphous thermoplastic polymers by DMA

M Huskić, D Kusić, I Pulko… - Journal of Applied …, 2022 - Wiley Online Library
The processing of polymers and polymeric materials always leaves some residual stresses
in the final product, which can have a positive but usually a negative effect on the properties …

Comparative study of axial and circumferential defects severity on the failure of polypropylene (PPR) pipes

A Ouardi, N Mouhib, A Wahid, M ELghorba - Engineering Failure Analysis, 2019 - Elsevier
The aim of the present work is to analyze the harmfulness of the defect, through a
comparative study of the criticality of axial defects comparing to circumferential ones on …

Residual life prediction of defected Polypropylene Random copolymer pipes (PPR)

A Ouardi, F Majid, N Mouhib… - Fracture and Structural …, 2018 - fracturae.com
The polypropylene random copolymer (PPR) is a thermoplastic material generally used for
the transport of water under pressure, especially hot water. PPR pipes are exposed to …

Effect of residual stresses on the fracture of polypropylene (PPR) pipes

A Ouardi, A Wahid, B Sadoki, N Mouhib… - Theoretical and Applied …, 2022 - Elsevier
Polypropylene random copolymer (PPR) pipes is one of the most used polymers in the
pi** systems. Hence the need to more rigorously know their properties and characteristics …

Agglomeration effects of carbon nanotube on residual stresses in polymer nano composite using experimental and analytical method

HZ Moghadam, SA Faghidian… - Materials Research …, 2018 - iopscience.iop.org
Since, mechanical properties of carbon nanotubes (CNTs) reinforced polymers and their
composites are affected by poor dispersion of CNTs, the present study has been done to …