Improving surface striation and kerf taper of hybrid Al/CFRP stacks using dual-pass abrasive waterjet slotting strategy

Li, Maojun; Su, Ting; Lin, Xiangchen

doi:10.1007/s00170-024-13084-y

Int J Adv Manuf Technol

2024

DOI: 10.1007/s00170-024-13084-y

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Improving surface striation and kerf taper of hybrid Al/CFRP stacks using dual-pass abrasive waterjet slotting strategy

Maojun Li,

Ting Su,

Xiangchen Lin

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Cited by 2 publications

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An experimental investigation into the potential of employing mixed eco-friendly abrasives during AWJ milling of nickel-based superalloy

Karkalos,

Karmiris-Obratański,

Kudelski

2024

Int J Adv Manuf Technol

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Non-conventional machining processes are capable of achieving higher performance compared to conventional ones due to their inherent characteristics and higher amount of parameters which can be favorably regulated. Although the correlation between the most important process parameters and process outcome has been already established for a wide range of conditions and workpiece materials, the introduction of new considerations related to the three pillars of sustainability require further investigation on new means for the enhancement of AWJ milling process. As one of the most important parameters in AWJ milling is the abrasive material, the introduction of new materials may offer considerable advantages from different perspectives. Thus, in the present work, a comprehensive investigation on the efficiency of using eco-friendly, mixed abrasives is carried out under various conditions such as different traverse feed rate, abrasive mass flow rate, water jet pressure, jet impingement angle, and mixing ratio. The feasibility of using mixed abrasives is evaluated in terms of achievable depth of penetration, kerf width, kerf taper angle as well as material removal rate (MRR), and cutting efficiency. The findings indicate that among other factors, the mixing ratio plays a noticeable role especially regarding MRR and cutting efficiency and can offer an additional effective means to achieve the desired kerf characteristics in conjunction with other significant parameters such as water jet pressure.

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An experimental investigation into the potential of employing mixed eco-friendly abrasives during AWJ milling of nickel-based superalloy

Karkalos,

Karmiris-Obratański,

Kudelski

2024

Int J Adv Manuf Technol

View full text Add to dashboard Cite

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An investigation into cut surface quality of Al6061/Al2O3/B4C composite using hydro-abrasive machining process

Muthulakshmanan,

Adalarasan,

Santhanakumar

et al. 2024

AIP Advances

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The modern era has realized the tremendous potential of metal matrix composites (MMCs) in slowly substituting the traditional materials used in automotive and aerospace industries. Traditional machining of second generation MMCs is quite challenging due to heat generation, tool wear, and low cut surface quality. This work presents an analysis on hydro-abrasive machining (HAM) of the Al6061/Al2O3/B4C composite by using an amalgamated method of gray incidence based response surfaces (GIRS) to produce a good surface quality. The influence of HAM variables [abrasive flow rate (FA), waterjet pressure (PWJ), jet traverse speed (SJT), and stand-off distance (DS)] on various cut surface characteristics [surface roughness (Ra), striation-free zone (SFZ), striation angle (ΘS), and kerf angle (ΘK)] is examined using L27 OA and response surface plots. A hybrid approach of the GIRS method is presented for necessary polynomial modeling and simultaneous optimization. The reduction of response values is primarily influenced by the waterjet pressure and jet traverse speed. An optimal cutting condition resulted in a significant reduction in surface roughness by 19.22% and striation angle by 10.82%. The improvements in striation-free zone and kerf angle were also notable with reductions of 7.89% and 4.74%, respectively. FESEM images of machined surfaces, profile graphs of surface roughness, and images observed using atomic force microscopy were also studied.

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Improving surface striation and kerf taper of hybrid Al/CFRP stacks using dual-pass abrasive waterjet slotting strategy

Cited by 2 publications

References 21 publications

An experimental investigation into the potential of employing mixed eco-friendly abrasives during AWJ milling of nickel-based superalloy

An experimental investigation into the potential of employing mixed eco-friendly abrasives during AWJ milling of nickel-based superalloy

An investigation into cut surface quality of Al6061/Al2O3/B4C composite using hydro-abrasive machining process

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