Superior interfacial toughening of hybrid metal-composite structural joints using 3D printed pins

被引：27

作者：

Bagnato, Tiana ^{[1
]}

Ravindran, Anil R. ^{[1
]}

Mirabedini, Azadeh ^{[1
]}

Ladani, Raj B. ^{[1
]}

Kandare, Everson ^{[1
]}

Orifici, Adrian C. ^{[1
]}

Chang, Paul ^{[2
]}

Wang, John ^{[2
]}

Mouritz, Adrian P. ^{[1
]}

机构：

[1] RMIT Univ, Sch Engn, GPO Box 2476, Melbourne, Vic 3001, Australia

[2] Def Sci Technol Grp, 506 Lorimer St, Fishermans Bend 3207, Australia

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2023年 / 168卷

关键词：

B: Fracture toughness; D: Mechanical testing; E: 3-D printing; E: Joints/Joining; DELAMINATION FRACTURE; FATIGUE RESISTANCE; FAILURE BEHAVIOR; STATIC STRENGTH; BONDED JOINTS; MODE-II; TI-6AL-4V; TOUGHNESS; TITANIUM;

D O I：

10.1016/j.compositesa.2023.107479

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

An experimental investigation is presented into the enhancement of interfacial toughness properties of hybrid titanium-to-composite structural joints using 3D printed metal pins created using selective laser melting (SLM). The joints were formed by printing an orthogonal array of thin (1.0 mm) diameter titanium pins over the titanium substrate using SLM, which were then embedded into a carbon-epoxy composite substrate to create a high toughness interface. SLM Ti-pinned hybrid joints were evaluated for the first time with and without film adhesive, which is co-bonded between the titanium and composite substrates. The SLM Ti-pins increased the modes I and II interfacial toughness of the hybrid joints by up to about 19- and 11-fold, respectively. The study reveals that pins created using SLM are highly effective at the strengthening and toughening of hybrid metal-composite joints, with the need for adhesive bonding dependent on the loading condition.

引用

页数：16

共 61 条

[11] Demonstration of pseudo-ductility in unidirectional hybrid composites made of discontinuous carbon/epoxy and continuous glass/epoxy plies [J].