Porosity/bubble formation mechanism in laser surface enamelling

R. Akhter; L. Li; R.E. Edwards; A.W. Gale

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Porosity/bubble formation mechanism in laser surface enamelling

机译：激光表面搪瓷中的孔隙/气泡形成机理

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The grouts between commercial tiles applied to walls and floors can be contaminated over time and normally have to be removed by manual or mechanical processes. To overcome the contamination problem, a specially developed tile grout was used to fill the voids between the tiles. The base filler was overlaid with an enamel surface that glazes after laser irradiation. One problem discovered in this work is that bubbles and porosities were formed after laser treatment. The use of water glass (sodium silicate) as a binder has been undertaken in this study. This paper investigates the mechanism of bubble formation and its effects on the enamel surface. It has been found that the CO_2 gas released during the reaction causes bubble formation. The results and the technique for the removal of bubbles/porosities are presented in the paper.

机译：涂在墙壁和地板上的商用瓷砖之间的灌浆会随着时间的流逝而受到污染，通常必须通过手动或机械方法将其清除。为了克服污染问题，使用了专门开发的瓷砖灌浆来填充瓷砖之间的空隙。基础填料上覆盖着一层搪瓷表面，该表面在激光照射后会上釉。在这项工作中发现的一个问题是激光处理后形成了气泡和孔隙。在这项研究中已经使用了水玻璃（硅酸钠）作为粘合剂。本文研究了气泡的形成机理及其对牙釉质表面的影响。已经发现在反应期间释放的CO 2气体引起气泡的形成。本文介绍了去除气泡/孔隙的结果和技术。

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来源
《Applied Surface Science》 |2003年第3期|p.447-452|共6页
作者
R. Akhter; L. Li; R.E. Edwards; A.W. Gale;
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作者单位

Laser Processing Research Centre, Department of Mechanical, Aerospace & Manufacturing, University of Manchester Institute of Science and Technology (UMIST), Manchester M60 1QD, UK;

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原文格式 PDF
正文语种 eng
中图分类应用物理学;
关键词
laser; diode; enamel; glaze; tile; grout; ceramic; bubble; porosity; sodium silicate;

机译：激光;二极管;搪瓷;釉料;砖;水泥浆;陶瓷;气泡;孔隙率;硅酸钠;

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1. Microstructural changes of enamel, dentin–enamel junction, and dentin induced by irradiating outer enamel surfaces with CO₂ laser [J] . Yu-Chih Chiang, Bor-Shiunn Lee, Yin-Lin Wang, Lasers in Medical Science . 2008,第1期

机译：CO _{2 激光照射牙釉质外表面引起的牙釉质，牙本质-牙釉质结合和牙本质的微观结构变化}
2. Porosity formation and gas bubble retention in laser metal deposition [J] . G.K.L. Ng, A.E.W. Jarfors, G. Bi, Applied Physics A: Materials Science & Processing . 2009,第3期

机译：激光金属沉积中的孔隙形成和气泡保留
3. Porosity formation mechanisms and fatigue response in Al-Si-Mg alloys made by selective laser melting [J] . Kun V. Yang, Paul Rometsch, Tom Jarvis, Materials Science and Engineering . 2018,第JANa17期

机译：选择性激光熔化制备Al-Si-Mg合金的孔隙形成机理和疲劳响应
4. MECHANISMS OF THE POROSITY FORMATION DURING THE FIBER LASER LAP WELDING OF AL 5754 SHEETS [C] . Jun Wang, Chunming Wang, Shanglu Yang, 30th International congress on applications of lasers amp; electro-optics . 2011

机译：AL 5754板的光纤激光搭接过程中孔隙形成的机理
5. Laser-induced fluorescence studies of gas transfer at bubble surfaces. [D] . Roy, Sabita. 2001

机译：气泡表面气体转移的激光诱导荧光研究。
6. SEM Evaluation of Enamel Surface Changes and Enamel Microhardness around Orthodontic Brackets after Application of CO2 Laser ErCr:YSGG Laser and Fluoride Varnish: An In vivo Study [O] . Tarundeep Kaur, Tulika Tripathi, Priyank Rai, 2017

机译：应用CO2激光ErCr：YSGG激光和氟化物清漆后正畸支架周围牙釉质表面变化和牙釉质显微硬度的SEM评价：体内研究
7. The effects of short pulse laser surface cleaning on porosity formation and reduction in laser welding of aluminium alloy for automotive component manufacture [O] . Li, Lin, Mistry, Anil 2014

机译：短脉冲激光表面清洗对汽车零部件制造用铝合金孔隙形成和激光焊接的影响
8. The Formation of Regions of Separated Flow on Wing Surfaces PartⅠLow-Speed Tests on a Two-Dimensional Unswept Wing with a 10 per cent Thick RAE 101 Section PartⅡLaminar-Separation Bubbles and the Mechanism of the Leading-Edge Stall [R] . L. F. CRABTREE 1959

机译：翼面上分离流动区域的形成第一部分：二维无损翼10％厚RaE 101段低速试验Ⅱ部分层流分离气泡及前缘失速机理

Porosity/bubble formation mechanism in laser surface enamelling

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