Investigation of aluminum surface cleaning using cavitating fluid flow

2013 ◽  
Author(s):  
Aurimas Ralys ◽  
Vytautas Striška ◽  
Vadim Mokšin
Keyword(s):  
Fluid Flow ◽  
Surface Cleaning ◽  
Aluminum Surface ◽  
Cavitating Fluid

scholarly journals Atmospheric pressure microwave plasma for aluminum surface cleaning

2020 ◽  
Vol 38 (2) ◽  
pp. 023002 ◽  
Author(s):  
Lucia Bónová ◽  
Weikun Zhu ◽  
Dhruval K. Patel ◽  
Daniel V. Krogstad ◽  
David N. Ruzic
Keyword(s):  
Atmospheric Pressure ◽  
Microwave Plasma ◽  
Surface Cleaning ◽  
Aluminum Surface

The Experimental Study on Paint Removal from Aluminum Surface Using Ice Jet

2013 ◽  
Vol 395-396 ◽  
pp. 732-736
Author(s):  
De Yu Li ◽  
Xiong Duan ◽  
Xing Dong
Keyword(s):  
Experimental Study ◽  
Plastic Deformation ◽  
Substrate Surface ◽  
Surface Damage ◽  
Surface Cleaning ◽  
Aluminum Surface ◽  
Damage Development ◽  
Sem Images ◽  
Paint Coatings ◽  
Paint Removal

Ice jet technology shows a promising prospect of application in surface cleaning and de-painting engineering because of its environmentally friendly feature. The main objective of this work is to present a deeply experimental study on the organic paint removal from aluminum alloy 2A12 substrates and the surface damage development using ice jets. The effects of ice blasting pressure and blasting time on de-painting and damage to the substrate were mainly concerned. It was shown that at blasting pressure of 0.2MPa, organic paint coatings were stripped from the 2A12 substrates. The paint coatings, moreover, were removed more effectively with increasing blasting pressure. Little changes of the roughness of the blasted substrate surface were observed. SEM images showed little plastic deformation at the blasting pressure of 0.5MPa existed on the surface. Whereas, a few of impact craters due to impact of high-velocity ice particles appeared at 0.7MPa for 7 seconds of exposure time with its number increasing obviously for 15seconds.

Selection of the Nozzle for Metal Surface Cleaning Using Cavitating Pulsing Fluid Flow

2015 ◽  
Vol 220-221 ◽  
pp. 957-962
Author(s):  
Aurimas Ralys ◽  
Vytautas Striška ◽  
Vadim Mokšin
Keyword(s):  
Fluid Flow ◽  
Metal Surface ◽  
Water Flow ◽  
Water Pressure ◽  
Flow Simulation ◽  
Surface Cleaning ◽  
Simulation Software ◽  
Selection Of

The aim of the research was to define an appropriate design of the nozzle which could be used to cavitate microbubbles and direct the cavitating water flow on the cleaning metal surface. Three different nozzles were evaluated. SolidWorks 2011 Flow Simulation software was used for calculations. Volume of vacuum bubbles in the flowing part of the nozzle was established. The water pressure at the inlet was varied from 4 to 10 MPa. Calculations show that in all nozzle structures amount of bubbles change slightly while pressure is varied from 4 to 10 MPa, so the optimal pressure of the water flow can be considered as 4 MPa.

TEM characterization of silicon epitaxial layer grown on Si-TaS2, eutectic composites

1991 ◽  
Vol 49 ◽  
pp. 802-803
Author(s):  
C.M. Sung ◽  
M. Levinson ◽  
M. Tabasky ◽  
K. Ostreicher ◽  
B.M. Ditchek
Keyword(s):  
Substrate Surface ◽  
Bulk Sample ◽  
Surface Cleaning ◽  
Native Oxide ◽  
Czochralski Growth ◽  
Ion Milling ◽  
Cross Sectional ◽  
Cleaning Methods ◽  
Field Emission Cathodes

Directionally solidified Si/TaSi2 eutectic composites for the development of electronic devices (e.g. photodiodes and field-emission cathodes) were made using a Czochralski growth technique. High quality epitaxial growth of silicon on the eutectic composite substrates requires a clean silicon substrate surface prior to the growth process. Hence a preepitaxial surface cleaning step is highly desirable. The purpose of this paper is to investigate the effect of surface cleaning methods on the epilayer/substrate interface and the characterization of silicon epilayers grown on Si/TaSi2 substrates by TEM.Wafers were cut normal to the <111> growth axis of the silicon matrix from an approximately 1 cm diameter Si/TaSi2 composite boule. Four pre-treatments were employed to remove native oxide and other contaminants: 1) No treatment, 2) HF only; 3) HC1 only; and 4) both HF and HCl. The cross-sectional specimens for TEM study were prepared by cutting the bulk sample into sheets perpendicular to the TaSi2 fiber axes. The material was then prepared in the usual manner to produce samples having a thickness of 10μm. The final step was ion milling in Ar+ until breakthrough occurred. The TEM samples were then analyzed at 120 keV using the Philips EM400T.

Sign in / Sign up

Export Citation Format

Share Document