Ｌaser shock peening for LY2 alloy

Lei, 周磊 Zhou; Yinghong, 李应红 Li; Cheng, 汪诚 Wang; Xin, 周鑫 Zhou

doi:10.3788/hplpb20102208.1780

Cited by 12 publications

(2 citation statements)

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“…The replacement rate of Pb under ultrasonic experiment is always much higher than that of conventional experiment; even the replacement rate under the ultrasonic condition without agitation is higher than that of conventional replacement with the agitation of 200 r.p.m. This is mainly because the ultrasonic cavitation effect enhances the mass transfer effect and the activity of each substance of the reactant [26]. Therefore, the agitation has little influence on the replacement rate when ultrasonic is introduced into the process.…”

Section: Resultsmentioning

confidence: 99%

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Ultrasonic-enhanced replacement of lead in lead hydrometallurgy process from lead leaching solution

Xie

Zhang

et al. 2019

R. Soc. open sci.

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In this paper, ultrasonic-enhanced replacement of lead by zinc in lead leaching solution was studied. The effects of reaction time, rotational speed, temperature, concentration of leaching solution and the ratio of the surface area of the zinc plate immersed in the leaching solution to the volume of leaching solution (S : V) were studied under both conventional and ultrasonic conditions. The optimum ultrasonic-assisted replacement conditions were as follows: the S : V of 0.04 (4 cm 2 100 ml −1 ), reaction temperature of 30°C, replacement time of 30 min and the concentration of leaching solution is 5 g l −1 , leading to a lead replacement rate of 94.84%. Compared with the conventional replacement process, the reaction time of ultrasonic-enhanced substitution could be reduced to one half, and the demand of reaction temperature, leaching solution concentration and other conditions were decreased accordingly. Introducing ultrasonic into the replacement reaction is promising to reduce the energy consumption in the hydrometallurgical industry also caters to the demands of environment protection.

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Section: Resultsmentioning

confidence: 99%

“…open sci. 6: 190042 cavitation effect enhances the mass transfer effect and the activity of each substance of the reactant [26]. Therefore, the agitation has little influence on the replacement rate when ultrasonic is introduced into the process.…”

Section: Effect Of Rotor Speedmentioning

confidence: 99%