Ultrasonic welding of all-polypropylene composites

被引：17

作者：

Kiss, Zoltan ^{[1
]}

Temesi, Tamas ^{[1
]}

Bitay, Eniko ^{[2
]}

Barany, Tamas ^{[1
]}

Czigany, Tibor ^{[1
,3
]}

机构：

[1] Budapest Univ Technol & Econ, Fac Mech Engn, Dept Polymer Engn, Muegyet Rkp 3, H-1111 Budapest, Hungary

[2] Sapientia Hungarian Univ Transylvania, Fac Tech & Human Sci, Op 9,Cp 4, Targu Mures 540485, Romania

[3] MTA BME Res Grp Composite Sci & Technol, Muegyet Rkp 3, H-1111 Budapest, Hungary

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2020年 / 137卷 / 24期

关键词：

composites; mechanical properties; polyolefins; CREEP-BEHAVIOR; CONSOLIDATION; REINFORCEMENT; TECHNOLOGY; FIBER;

D O I：

10.1002/app.48799

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

In this study, the mechanical properties of ultrasonic welded lap joints of all-polypropylene composite (APPC) were investigated and compared to the interlaminar properties of the composite sheet itself. The process control parameter was welding time: welded samples were prepared with an ultrasonic welding machine in the 0.1-1.0 second time range. In most cases, the shear strength of the welded samples exceeded that of the unwelded APPC. Although it was found that during the ultrasonic welding process, the reinforcing tapes partially melted in the welding zone (WZ), the seam remained strong enough because the heat released and the pressure applied during the welding process further improved the consolidation of the APPC layers. (c) 2019 The Authors. Journal of Applied Polymer Science published by Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 137, 48799.

引用

页数：7

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