
Jornada Técnica: Tuberias de Polietileno (PE), Barcelona, Espana, 28 de Mayo 2009
The event focused on the examination of welded joints in polyethylene pipes. Dr. J. Hessel discussed various testing methods, including bending, tensile, creep, peel tests, and macroscopic examination

13th Wiesbadener Kunststoffrohrtage (Wiesbaden Plastic Pipe Days)
The event covered the properties, requirements, and testing methods for PE pressure pipes used in alternative installation techniques as outlined in PAS 1075. Dr. J. Hessel highlighted the current status and future perspectives of these pipes.

Brittle fracture is what matters
Testing methods for assessing the resistance of PE 100-RC pressure pipe materials to slow crack growth.

6th Würzburger Kunststoffrohr-Tagung (Würzburg Plastic Pipe Conference), SKZ Würzburg
The event focused on the latest developments and future perspectives of polyethylene pipes. Dr. J. Hessel highlighted the successful advancements in the plastic pipe industry and the diverse applications of polyethylene pipes.

First WJS/DVS Conference on Joining Plastics, TWI, Cambridge, UK
The event centered on destructive testing of PP and PE pipe joints. Dr. J. Hessel discussed various methods for assessing the quality and integrity of welded joints.