Interrelationships between welding parameters of hot-gas welded polypropylene

B. Marczis, T. Czigány

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

In case of hot-gas welding, the parameters of welding influence the strength of the welded joint. A welding portal was designed and built to make the welding parameters of manual hot-gas welding controllable and independent of human factors. Large series of experiments were performed with the automatic welding station to explore the effect of welding parameters (welding temperature, flow rate, welding speed, and welding force). The strength of the welded joints was determined in a standard tensile test carried out according to ISO 527-3. Using two-way analysis of variance it was concluded that all four parameters influence the strength of the welded joint significantly, and the strength of the welded joint exhibits a complex dependence on all four parameters. Based on a thermodynamic approach the welding energy was determined. The measured tensile strength values were plotted against the welding energy and the welding force and it was found that the results can be approximated by a quadratic surface function well.

Original languageEnglish
Pages (from-to)1173-1181
Number of pages9
JournalPolymer Engineering and Science
Volume46
Issue number9
DOIs
Publication statusPublished - Sep 2006

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Polypropylenes
Welding
Gases
Welds
Gas welding
Analysis of variance (ANOVA)
Human engineering
Tensile strength
Flow rate
Thermodynamics

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Interrelationships between welding parameters of hot-gas welded polypropylene. / Marczis, B.; Czigány, T.

In: Polymer Engineering and Science, Vol. 46, No. 9, 09.2006, p. 1173-1181.

Research output: Contribution to journalArticle

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