Research on the Decoating Effect and Microstructure of Surface Damage of High-Pressure Waterjet

Guo, Qianqian; Jia, Xiu; Li, Shuo; Nie, Yan; Ge, Shun Xin

doi:10.4028/www.scientific.net/amm.541-542.180

Cited by 2 publications

(3 citation statements)

References 2 publications

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“…Because of this, the most effective place to begin the coating removal using a high-pressure waterjet is at an area where the coating has been damaged and the gap formation requires constant cleaning if the coating is finished. [20]. Possibly, due to the formation of abrasive embedment on the cleaning surface after 3 cleaning passes on the same surface, the cleaning rather appears to remain constant at this point.…”

Section: Effect Of Waterjet Parameter On Cleaning Efficiencymentioning

confidence: 97%

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Effect of Waterjet Cleaning Parameters During Paint Removal Operation on Automotive Steel Components

Mat Nawi,

Alzaghir,

Husin

et al. 2023

JMMST

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The automotive industry is expanding quickly, and each year, many vehicles are produced with beautiful paints. Increases in the number of end-of-life or old vehicles will occur as a result of uncontrolled growth in the number of manufactured vehicles. Recycling car parts is therefore necessary in the automotive industry specially to beautify the appearance of old vehicles with new paint. Waterjet cleaning is one of the most contemporary techniques frequently employed to guarantee uniform paint removal with no secondary pollutions. Study on waterjet cleaning parameters mostly focuses on pressure, traverse rate, and standoff distance. However, there are other new parameters associated with waterjet cleaning process namely number of cleaning passes and overlap rate which shows improvement in paint removal but lack in literature reviews. In the present study, paint is removed using the abrasive waterjet (AWJ) and plain waterjet (PWJ) paint removal techniques from parts made for automobiles in order to examine cleaning characteristics such as effectiveness and surface roughness. The findings indicated that AWJ cleaning process was more effective at cleaning than PWJ, which had a smaller cleaning capacity. However, AWJ cleaning process resulted in a rougher surface due to complete removal of paints as well as erosion of the substrate material. A better control of AWJ cleaning process may result in more efficient of paint removal without damaging the substrate material.

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Section: Effect Of Waterjet Parameter On Cleaning Efficiencymentioning

confidence: 97%

“…At 2 passes, the gap is now created and widened to make cleaning generate more rapidly. Because of this, the most effective place to begin the coating removal using a high-pressure waterjet is at an area where the coating has been damaged and the gap formation requires constant cleaning if the coating is finished [20]…”

mentioning

confidence: 99%

Effect of Waterjet Cleaning Parameters During Paint Removal Operation on Automotive Steel Components

Mat Nawi,

Alzaghir,

Husin

et al. 2023

JMMST

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“…Guo et al 78 studied the surface tension and viscosity changes of the KNO 3 -NaNO 2 binary molten salt system in the temperature range of 190−250 °C, and carried out curve fitting on the data. The results show that the surface tension of KNO 3 -NaNO 2 molten salt is linearly related to temperature, and the higher the temperature is, the smaller the surface tension of molten salt is.…”

Section: Surface Tension and Surface Energy In Molten Saltmentioning

confidence: 99%

Influencing Factors and Challenges on the Wettability of Electrode in Molten Salt

Kong,

Su,

et al. 2024

J. Electrochem. Soc.

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Molten salts play an important role in the electrolysis of solid metal compounds, especially oxides and sulfides, and have an impressive storage capacity and power, so they are now the electrolyte for many new types of rechargeable batteries. Unfortunately, due to the high viscosity and high surface tension of molten salt, the unsatisfactory wettability of electrode and molten salt restricts the development of molten salt electrochemistry. In the past half century, research on interface phenomena has been devoted to establishing more accurate models for measuring surface tension and wetting angle, developing more scientific wetting angle measurement techniques, and exploring the influencing factors of wettability. Different from a water solution interface, molten salt experiment are performed in high temperature and pressure environments, making it difficult to test the wetting angle, and there has been little research on the interface phenomenon of molten salt. In this Review, on the basis of existing models and experimental data, the factors and mechanisms that lead to the difference of wettability between melt and solid matrix in molten salt systems are analyzed in detail. Finally, we put forward the prospects and suggestions for the study of the wettability of melt to solid substrate in molten salt.

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Research on the Decoating Effect and Microstructure of Surface Damage of High-Pressure Waterjet

Cited by 2 publications

References 2 publications

Effect of Waterjet Cleaning Parameters During Paint Removal Operation on Automotive Steel Components

Effect of Waterjet Cleaning Parameters During Paint Removal Operation on Automotive Steel Components

Influencing Factors and Challenges on the Wettability of Electrode in Molten Salt

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