Residual stresses in injection molded products

A Guevara-Morales, U Figueroa-López - Journal of materials science, 2014 - Springer
Injection molding is the most widely used processing technique for polymers. It offers several
advantages over other processing conditions such as good surface finish, the ability to …

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 …

A thermodynamic framework for additive manufacturing, using amorphous polymers, capable of predicting residual stress, warpage and shrinkage

P Sreejith, K Kannan, KR Rajagopal - International Journal of Engineering …, 2021 - Elsevier
A thermodynamic framework has been developed for a class of amorphous polymers used
in fused deposition modeling (FDM), in order to predict the residual stresses and the …

Representative stress crack resistance of polyolefin geomembranes used in waste management

RK Rowe, MS Morsy, AMR Ewais - Waste Management, 2019 - Elsevier
The decrease in stress crack resistance (SCR) of geomembranes (GMBs) due to physical
ageing is examined. It is shown that the SCR of a 1.5 mm high density polyethylene (HDPE) …

Modification of ultrasonic transducers to study crack propagation in vinyl polymers, supported by SEM technique

MAY Barakat, AEAA El‐Wakil… - Journal of Vinyl and …, 2023 - Wiley Online Library
Detecting defects in various industrial products remains a challenging task in the industry.
Researchers are constantly working to improve detection techniques and tools for various …

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 …

Long-term durability of two HDPE geomembranes formulated with polyethylene of raised temperature resistance (PE-RT)

M Clinton, RK Rowe - Geotextiles and Geomembranes, 2024 - Elsevier
Abstract The performance of four 1.5-mm HDPE geomembranes from the same
manufacturer each with a different resin and additive package is examined in a synthetic …

Experimental approach to mechanical property variability through a high‐density polyethylene gas pipe wall

N Kiass, R Khelif, L Boulanouar… - Journal of applied …, 2005 - Wiley Online Library
An experimental investigation was designed to establish the distribution of mechanical
properties throughout a high‐density polyethylene (HDPE) gas pipe wall. The proposed …

Residual stress distribution in extruded polypropylene pipes

J Poduška, J Kučera, P Hutař, M Ševčík, J Křivánek… - Polymer Testing, 2014 - Elsevier
This paper deals with the experimental determination of residual stress and other inherent
properties, density, yield stress, specific enthalpy of fusion and melting point temperature, of …

The effect of residual stress on polymer pipe lifetime

P Hutař, M Ševčík, A Frank, L Náhlík, J Kučera… - Engineering Fracture …, 2013 - Elsevier
This paper presents a quick methodology to assess the lifetime of an internally and
externally pressurized polymer pipe using linear elastic fracture mechanics. The non …