Investigation on Anti-fouling Capacity and Thermal Conductivity of Ni-P-PTFE Composite Coating

Wang Yongzhen; Chen Ying; He Kailong; Luo Xianglong; Gong Yulie

doi:10.3969/j.issn.0253-4339.2014.01.020

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Investigation on Anti-fouling Capacity and Thermal Conductivity of Ni-P-PTFE Composite Coating

更新时间：2024-07-18

- Investigation on Anti-fouling Capacity and Thermal Conductivity of Ni-P-PTFE Composite Coating
- Journal of Refrigeration Vol. 35, Issue 1, (2014)
- 作者机构：
  
  1. 广东工业大学材料与能源学院
  2. 中国科学院广州能源研究所
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2014.01.020
  CLC：
- Published：2014
- 稿件说明：
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Wang Yongzhen, Chen Ying, He Kailong, et al. Investigation on Anti-fouling Capacity and Thermal Conductivity of Ni-P-PTFE Composite Coating[J]. Journal of Refrigeration, 2014, 35(1).
DOI：

Wang Yongzhen, Chen Ying, He Kailong, et al. Investigation on Anti-fouling Capacity and Thermal Conductivity of Ni-P-PTFE Composite Coating[J]. Journal of Refrigeration, 2014, 35(1). DOI： 10.3969/j.issn.0253-4339.2014.01.020.

摘要

本文采用硬水加热法测试了不同Ni-P-PTFE化学复合镀层的阻垢性能，通过实验发现随着镀层中PTFE含量的增大，表面结垢诱导期增长而结垢量减小，同时阻垢性能增强；另外采用热阻法测试其导热性能，发现Ni-P-PTFE复合镀层的导热性能随PTFE含量的增大而下降。而镀层中PTFE含量又是和施镀乳液中PTFE的浓度有关系。因此定义阻垢率和导热系数下降率来综合评价镀层的性能，得出当PTFE乳液浓度为11mL/L1时的镀层表现出最佳的阻垢导热综合性能的结论。

Abstract

Effect of anti-fouling capacity of Ni-P-PTFE composite coating was tested in the hard water. It is found that anti-fouling capacity of the Ni-P-PTFE coatings is determined by the PTFE concentration in the coating. The induction period is lengthened and fouling deposition is dropped with the increase of PTFE content in the coating. In addition

the thermal conductivities of the Ni-P-PTFE coatings were measured by thermal resistance method in the paper. It is shown that the thermal conductivity is declined with the increase of PTFE content

and the PTFE content of the Ni-P-PTFE coatings is influenced by the PTFE concentration of the solution. The anti-fouling efficiency and thermal conductivity reduction rate are then defined to evaluate the performance of coating. It is found that the sample formed at the PTFE concentration 11ml?L-1 in the solution behaved the best integrated performance of anti-fouling capacity and thermal conductivity under the conditions in the paper.

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