Research on carbon fiber reinforced thermal polymer/stainless steel laser direct joining

Jiao, Junke; Xu, Zifa; Wang, Qiang; Zan, Shaoping; Zhang, Wenwu

doi:10.2351/1.5040627

Cited by 19 publications

(7 citation statements)

References 15 publications

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“…24 (C) CFRTP/stainless steel. 74 (D) CFRTP/Ti6Al4V. 41 F I G U R E 6 Major fracture mechanism under different external pressures.…”

Section: Surface Microstructure Enhancementmentioning

confidence: 99%

“…An adaptive contact thermal conductivity FE model was developed for laser joining experiments of 304 stainless steel plate/CF T700(PPS). 74 The experiments were conducted under different pressure and energy density conditions, the resin melt width was measured, and then, the appropriate thermal conductivity was inferred from the actual melt width. The experimental data were processed and analyzed to fit a third-order polynomial model between the contact thermal conductivity values and energy density and the fixture force, with the equations as follows.…”

Section: Simulation Of Temperature Fieldsmentioning

confidence: 99%

“…73 (B) Comparison of experimental results and numerical simulations of joint width with different parameters of laser welding of CFRTP/stainless steel. 74 F I G U R E 1 2 Stress simulation of laser welding CFRTP/metals. (A) Blue laser welding CFRTP/Al stress simulation.…”

Section: Simulation Of Temperature Fieldsmentioning

confidence: 99%

“…(A) Temperature field simulation for laser welding for CFRTP/stainless steel 73 . (B) Comparison of experimental results and numerical simulations of joint width with different parameters of laser welding of CFRTP/stainless steel 74 …”

Section: Numerical Simulation Of Laser Joining Of Cfrtp and Metalmentioning

confidence: 99%

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Laser joining of CFRTP to metal: A review on welding parameters, joint enhancement, and numerical simulation

Hu,

2023

Polymer Composites

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As a lightweight material with high performance, carbon fiber‐reinforced thermoplastic plastic (CFRTP) is being implemented increasingly in aerospace, automotive, new energy, and so forth. The connection between CFRTP and metals, which are still used in these areas, is an inevitable problem. Among the various connection techniques, laser welding of CFRTP to metal is attractive due to high efficiency, excellent strength, and no contact. This paper presents the most recent research on laser welding CFRTP and metals in three aspects: (a) the principle of laser welding CFRTP to metals and the influence of process parameters on joint quality including laser power, defocus distances, scanning speed, clamping pressure, and beam shape, (b) the joint enhancement mechanisms and methods, and (c) numerical simulations of temperature and stress fields of laser‐connected CFRTP to metals. The findings show that joint strength is significantly influenced by process parameters and that the maximum joint strength can be achieved by choosing the right parameters. Apart from the conventional techniques of texturing the metal surface, applying a suitable layer of resin, and applying chemical treatment, other novel joint improvement measures have also been used, including the use of blue laser and CFRTP embedded in the metal. The temperature field and residual stresses can be successfully simulated by finite elements, which can be useful when studying new processes and choosing parameters for metal laser welding and CFRTP.Highlights We review the progress from parameters, simulations, and enhancements. The main parameters have essential effects on the dimensions and strength of joints. FEM (Finite Element Method) is applied to simulate the temperature and stress of the laser welding. Joints can be reinforced by surface pre‐texturing, adding resin, and grafting.

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“…24 (C) CFRTP/stainless steel. 74 (D) CFRTP/Ti6Al4V. 41 F I G U R E 6 Major fracture mechanism under different external pressures.…”

Section: Surface Microstructure Enhancementmentioning

confidence: 99%

Section: Simulation Of Temperature Fieldsmentioning

confidence: 99%

Section: Simulation Of Temperature Fieldsmentioning

confidence: 99%

Section: Numerical Simulation Of Laser Joining Of Cfrtp and Metalmentioning

confidence: 99%

See 2 more Smart Citations

Laser joining of CFRTP to metal: A review on welding parameters, joint enhancement, and numerical simulation

Hu,

2023

Polymer Composites

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“…F.Lambiase et al [27] proposed a procedure for calibrating and validating a Finite Element (FE) model of the thermal eld of laser-assisted metal to polymer direct joining. Jiao et al [28,29] established a mathematical model of CFRTP/stainless steel laser joining, simulated the temperature distribution in the process of laser joining by nite element method, and analyzed the relationship between the depth and width of molten pool and the process parameters of laser joining. Then, the calculation method of contact thermal conductivity was proposed based on experiments, and a threedimensional thermal contact model for laser joining of CFRTP and stainless steel was established to solve the temperature eld in the laser joining process.…”

Section: Introductionmentioning

confidence: 99%

Effect of scanning mode on temperature field and interface morphology of laser joining between CFRTP and TC4 titanium alloy

Chen

Liu²,

Bu³

et al. 2022

Int J Adv Manuf Technol

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Hybrid components composed of CFRTP (Carbon Fiber Reinforced Thermoplastic Polymer) and TC4 titanium alloy are increasingly applied in the aerospace eld. The scanning mode has a signi cant in uence on the quality of laser joining joint between CFRTP and TC4 titanium alloy. Therefore, the laser joining between TC4 titanium alloy with surface microgrooves and CFRTP has been implemented under oscillating laser joining mode and linear laser joining mode respectively in the present research. The temperature distribution is qualitatively explored based on the established mathematical model of laser joining between CFRTP and TC4 titanium alloy. The interface morphology and the joining strength of CFRTP/TC4 titanium alloy lap joints under oscillating laser joining and linear laser joining are compared.The results indicate that the simulated temperature distribution shows good agreement with the experimental result. Compared with linear laser joining, the oscillating laser joining weakens the heat concentration and creates a heating zone with larger area and more uniform temperature distribution.The interface morphology of laser joining CFRTP/TC4 titanium alloy joints with better resin lling and fewer bubble defects is obtained by oscillating laser joining due to the temperature variation of the form of unequal amplitude oscillations, whereas there are a large number of large-size bubbles in the lling resin and small-sized fusion gaps distributed at the interface with the linear laser scanning mode. By adopting the joining method with oscillating laser scanning mode, higher quality joints can be obtained.

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Fabrication of Porous Non‐Enzymatic Glucose Sensing Electrodes Through Nanosecond‐Laser Patterning of Metal–Organic Frameworks

Arthanari,

Sivaprakasam,

Park

et al. 2024

Adv Materials Technologies

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Nanosecond laser patterning of Copper Metal–Organic Framework (Cu‐MOF) coated substrates is performed to fabricate non‐enzymatic glucose sensing electrodes. The Cu‐MOF coated glass substrate with a cover glass is subjected to a laser patterning process; the amount of MOF, laser fluence, and scan speeds mainly influenced the patterning process. The electrodes are fabricated on coated and covered glass with varying electrical conductivity due to the high laser energy absorptivity. The patterned electrodes consist of graphitic carbon incorporated with nano‐Cu and show a stable electrical conductivity on the coated substrates. The electrodes are chemically active in the Fe2+/Fe3+ redox system; however, their activity varies with patterning conditions. The electrochemical studies in alkaline electrolytes reveal that the as‐fabricated electrodes can sense the glucose molecule in the linear concentration range of 0.025–1.0 and 1.0–10.0 mm, with a maximum sensitivity of 3260.3 µA mM−1 cm−2 and a response time of no more than 5 s, and a limit of detection (LOD) of 0.25 µm. The current recovery rate is higher (> 80%) when adding glucose molecules than when adding other interference molecules, confirming that the electrode is selective toward glucose sensing. The results reveal that the fabricated electrodes act as stable, reusable, non‐enzymatic glucose‐sensing electrodes.

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Research on carbon fiber reinforced thermal polymer/stainless steel laser direct joining

Cited by 19 publications

References 15 publications

Laser joining of CFRTP to metal: A review on welding parameters, joint enhancement, and numerical simulation

Laser joining of CFRTP to metal: A review on welding parameters, joint enhancement, and numerical simulation

Effect of scanning mode on temperature field and interface morphology of laser joining between CFRTP and TC4 titanium alloy

Fabrication of Porous Non‐Enzymatic Glucose Sensing Electrodes Through Nanosecond‐Laser Patterning of Metal–Organic Frameworks

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