Influence of Processing Parameters on Laser Direct Joining of CFRTP and Stainless Steel

Sheng, Li Yuan; Jiao, Junke; Du, Beining; Wang, Feiya; Wang, Qiang

doi:10.1155/2018/2530521

Cited by 26 publications

(16 citation statements)

References 36 publications

(46 reference statements)

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“…A hybrid structure of great interest in recent years for various industrial sectors is the combination of steel with a thermoplastic matrix composite material (CFRTP) [13], especially in the automotive sector. CFRTPs are characterized by a high degree of automation in their manufacturing process [14,15].…”

Section: Introductionmentioning

confidence: 99%

Surface Quality and Free Energy Evaluation of s275 Steel by Shot Blasting, Abrasive Water Jet Texturing and Laser Surface Texturing

Bañon

Sambruno

Batista

et al. 2020

Metals

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Surface modification by different technologies prior to joining operations or improving tribological properties is a point of great interest. Improving surface activation by increasing the roughness of the metal is a relationship that is becoming more defined. In turn, an increase in surface wettability by evaluating contact angles indicates surface activation by obtaining a high surface free energy. Technologies such as shot blasting and laser surface texturing (LST) have generated several scientific studies where they have identified the influence of parameters on the formation of rough surfaces with defined patterns. However, the application of abrasive water jet texturing (AWJT) has been little studied as an alternative. This article compares these technologies in the texturing of a carbon steel s275 in order to identify the relationship between surface quality and surface activation. It has been determined that AWJT produces the highest Rt values close to 64 µm with a cross feed of 0.45 mm and a traverse speed of 5000 mm/min. Furthermore, LST obtains the best values of free surface energy by combining a power of 20 W with a frequency of 20 kHz and a sweeping speed of 10 mm/s. Finally, contour diagrams have been obtained which relate these variables to the texturing parameters.

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Section: Introductionmentioning

confidence: 99%

Surface Quality and Free Energy Evaluation of s275 Steel by Shot Blasting, Abrasive Water Jet Texturing and Laser Surface Texturing

Bañon

Sambruno

Batista

et al. 2020

Metals

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“…The carbon fiber reinforced thermoplastic (CFRTP) composite, with a tensile strength of up to 2000 MPa along the fiber direction, a density of about 1.55 g/cm 3 , and excellent fatigue and corrosion resistance, has been considered as one of the potential materials used as structural components in automotive, aviation, and drones [3][4][5]. However, the CFRTP is a kind of polymer-based composite and its well joining with the metal framework of the automobile is still a problem, which handicaps its wide applications [6]. Therefore, to fully exploit the potential of the CFRTP composite, it is necessary to investigate the technology of joining CFRTP composite and metal.…”

Section: Introductionmentioning

confidence: 99%

Effect of Interface Pretreatment of Al Alloy on Bonding Strength of the Laser Joined Al/CFRTP Butt Joint

Zou²,

Xiao

et al. 2021

Micromachines

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In the present research, the carbon fiber reinforced thermoplastic (CFRTP) was laser joined with the Al alloy whose joining interface was pretreated by laser micro-texturing, anodizing, and hybrid of laser micro-texturing and anodizing. The surface morphology of the pretreated Al joining interface and bonding strength of the corresponding Al/CFRTP butt joint were investigated. The results show that the laser micro-texturing has fabricated the micro-pit or micro-furrow in the Al joining interface. With the increasing of laser scanning times, the size of the micro-pit or micro-furrow decreases, when the laser scanning distance is constant. The bonding strength of the Al/CFRTP butt joint with Al joining interface pretreated by micro-texturing fluctuates with the increasing of laser scanning distance and times, reaching the maximum value of 20 MPa at laser scanning distance of 0.1 mm and 1 time. The anodizing pretreatment has formed the Al2O3 oxide layer on the Al joining interface. The Al/CFRTP butt joint with Al joining interface pretreated by anodizing obtains the maximum bonding strength of 11 MPa at anodizing time of 10 min. The hybrid pretreatment of micro-texturing and subsequent anodizing fabricates the regular grid structure with smooth micro-furrow and micro-pit, while the hybrid pretreatment of anodizing and subsequent micro-texturing fabricates the Al joining interface with explosive micro-pit and micro-furrow. The bonding strength of the Al/CFRTP butt joint with hybrid-pretreated Al joining interface is relative better than that of the Al/CFRTP butt joint with anodizing-pretreated Al joining interface but almost lower than that of the Al/CFRTP butt joint with micro-texturing pretreated Al joining interface. Such results should be attributed to the surface morphology of the Al joining interface.

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“…A kind of hybrid structure of great interest is the union of CFRTP with a steel in order to obtain a structural element of high performance. This turns them into elements of great interest for the automotive sector where weight reduction is required and, at the same time, their ability to produce them in mass [2,7].…”

Section: Introductionmentioning

confidence: 99%

On the Surface Quality of CFRTP/Steel Hybrid Structures Machined by AWJM

Bañon

Simonet²,

Sambruno

et al. 2020

Metals

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The joining of dissimilar materials in a hybrid structure is a line of research of great interest at present. Nevertheless, the machining of materials with different machinability requires specific processes capable of minimizing defectology in both materials and achieving a correct surface finish in terms of functional performance. In this article, abrasive water jet machining of a hybrid carbon fiber-reinforced thermoplastics (CFRTP)/Steel structure and the generated surface finish are studied. A parametric study in two stacking configurations (CFRTP/Steel and Steel/CFRTP) has been established in order to determine the range of cutting parameters that generates the lowest values in terms of arithmetic mean roughness (Ra) and maximum profile height (Rz). The percentage contribution of each cutting parameter has been identified through an ANOVA analysis for each material and stacking configuration. A combination of 420 MPa hydraulic pressure with an abrasive mass flow of 385 g/min and a travel speed of 50 mm/min offers the lowest Ra and Rz values in the CFRTP/Steel configuration. The stacking order is a determining factor, obtaining a better surface quality in a CFRTP/Steel stack. Finally, a series of contour diagrams relating surface quality to machining conditions have been obtained.

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Influence of Processing Parameters on Laser Direct Joining of CFRTP and Stainless Steel

Cited by 26 publications

References 36 publications

Surface Quality and Free Energy Evaluation of s275 Steel by Shot Blasting, Abrasive Water Jet Texturing and Laser Surface Texturing

Surface Quality and Free Energy Evaluation of s275 Steel by Shot Blasting, Abrasive Water Jet Texturing and Laser Surface Texturing

Effect of Interface Pretreatment of Al Alloy on Bonding Strength of the Laser Joined Al/CFRTP Butt Joint

On the Surface Quality of CFRTP/Steel Hybrid Structures Machined by AWJM

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