Hybrid joining of aluminum alloys and thermoplastic CFR-PA12 manufactured by IR-irradiation: Influence of pretreatment and aging on the mechanical properties

被引：2

作者：

Meinhard, Dieter ^{[1
,3
]}

Nester, Sara ^{[1
]}

Schanz, Jochen ^{[1
]}

Pott, Timo ^{[2
]}

Riegel, Harald ^{[1
]}

Knoblauch, Volker ^{[1
]}

机构：

[1] Aalen Univ Appl Sci, Aalen, Germany

[2] IFO Inst Oberflachentechn GmbH, Schwabisch Gmund, Germany

[3] Aalen Univ Appl Sci, D-73430 Aalen, Germany

来源：

MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION | 2023年 / 74卷 / 06期

关键词：

aluminum and alloys; destructive Testing; hybrid joints; laser surface treatment; microscopy; surface roughness and morphology; thermal direct joining; thermoplastic composites; COMPOSITES; JOINTS; CFRP; MICROSTRUCTURE; STRENGTH;

D O I：

10.1002/maco.202213697

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this work, a thermal direct joining process was applied to obtain hybrid composites of thermoplastic carbon fiber compounds and selected aluminum alloys. With the successful proof-of-concept, the aging behavior under hydrothermal and corrosive conditions is also investigated. Before joining, various linear surface topographies with a characteristic aspect ratio ranging from 0.1 to 2.0 were generated on the aluminum using a short-pulsed near-infrared (NIR) laser source. By using optimized NIR laser parameters, the achieved shear strength under tensile load can reach the maximum value corresponding to the interlaminar shear strength of the used carbon fiber-reinforced thermoplastic polymer. In two aging regimes under hydrothermal and corrosive conditions, a rapid and sharp decrease in mechanical strength over time was observed exclusively under corrosive conditions.

引用

页码：887 / 902

页数：16