The influence of environmental conditions on the dimensional stability of components injected with PA6 and PA66

Clavería, I. (Universidad de Zaragoza) ; Elduque, D. (Universidad de Zaragoza) ; Santolaria, J. (Universidad de Zaragoza) ; Pina, C. (Universidad de Zaragoza) ; Javierre, C. (Universidad de Zaragoza) ; Fernandez, A. (Universidad de Zaragoza)

Resumen: The design of assembly components requires special attention to aspects related to their dimensions to ensure their functionality. The goal of this paper is to analyse the influence of case-based environmental conditions, including extreme hydrothermal conditions, on the dimensional stability of a component made from different polyamides throughout the component''s working life. The results support the conclusion that components made from PA6 have a higher capacity to absorb humidity than those made from PA66 and, on the other hand, a higher capacity to lose this humidity, which implies a more significant effect on the average error in the dimensions considered (12% for PA6 in comparison to 3% for PA66). With regard to assembly dimensions, components remain within dimensional tolerances under average and extreme humidity conditions and average temperature conditions. Components injected with P66 are more stable for all of the situations analysed.

Idioma: Inglés

DOI: 10.1016/j.polymertesting.2015.12.008

Año: 2016

Publicado en: POLYMER TESTING 50 (2016), 15-25
ISSN: 0142-9418

Factor impacto JCR: 2.464 (2016)

Categ. JCR: POLYMER SCIENCE rank: 27 / 85 = 0.318 (2016) - Q2 - T1

Factor impacto SCIMAGO: 0.826 - Polymers and Plastics (Q1) - Organic Chemistry (Q2)

Tipo y forma: Article (PostPrint)

Área (Departamento): Área Ingeniería Mecánica (Dpto. Ingeniería Mecánica)
Área (Departamento): Área Expresión Gráfica en Ing. (Dpto. Ingeniería Diseño Fabri.)
Área (Departamento): Área Ing. Procesos Fabricación (Dpto. Ingeniería Diseño Fabri.)