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A review on galvanizing coating defects : causes and remedies

Hot-dip galvanizing is an efficient technique to control the corrosion of substrates. Producing blemish-free coatings is a challenging task. Continuous work is done on galvanizing technology to achieve excellent surfaces; thus, flaws are encountered at intervals in all continuous galvanizing and...

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Main Authors: Parmar, Jayraj, Sharma, Daulat Kumar, Khyati, Patel, Sweta, Patel
Format: Article
Language:English
Published: Penerbit Universiti Kebangsaan Malaysia 2022
Online Access:http://journalarticle.ukm.my/20321/1/01.pdf
http://journalarticle.ukm.my/20321/
https://www.ukm.my/jkukm/volume-3404-2022/
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spelling my-ukm.journal.203212022-11-02T01:17:47Z http://journalarticle.ukm.my/20321/ A review on galvanizing coating defects : causes and remedies Parmar, Jayraj Sharma, Daulat Kumar Khyati, Patel Sweta, Patel Hot-dip galvanizing is an efficient technique to control the corrosion of substrates. Producing blemish-free coatings is a challenging task. Continuous work is done on galvanizing technology to achieve excellent surfaces; thus, flaws are encountered at intervals in all continuous galvanizing and galvannealed process. Most of each very small galvanized defect can appear like a draff particle, draff trapped actually a tiny lot of the blemishes found in hot-dipped galvanizing coatings. Also, almost all defects take place due to a roughed or mechanically dented surface, poor bath chemistry management, inadequate washing of the parts, and less maintained apparatus. Thus, the coated products, which are manufactured by galvanizers, have to develop the excellence of the line instrument, the heat treatment management, and the Zn bath in sequence to touching the hard and tough quality essential for automotive uses and applications. This review paper first discusses different types of galvanized coating defects, and then discusses different coating defects like Bare spot, Distortion, Dross, Touch marks, Dents, Rough Coating, Ash Deposit, Mechanical Damage, Blow out, Runs, Uncoated or Ungalvanized Surface, Reactive and Non-reactive steels welded together, Puddling and suggests possible remedial measures to be taken care; at the end, it summarize and concluded. Penerbit Universiti Kebangsaan Malaysia 2022 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/20321/1/01.pdf Parmar, Jayraj and Sharma, Daulat Kumar and Khyati, Patel and Sweta, Patel (2022) A review on galvanizing coating defects : causes and remedies. Jurnal Kejuruteraan, 34 (4). pp. 535-542. ISSN 0128-0198 https://www.ukm.my/jkukm/volume-3404-2022/
institution Universiti Kebangsaan Malaysia
building Tun Sri Lanang Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Kebangsaan Malaysia
content_source UKM Journal Article Repository
url_provider http://journalarticle.ukm.my/
language English
description Hot-dip galvanizing is an efficient technique to control the corrosion of substrates. Producing blemish-free coatings is a challenging task. Continuous work is done on galvanizing technology to achieve excellent surfaces; thus, flaws are encountered at intervals in all continuous galvanizing and galvannealed process. Most of each very small galvanized defect can appear like a draff particle, draff trapped actually a tiny lot of the blemishes found in hot-dipped galvanizing coatings. Also, almost all defects take place due to a roughed or mechanically dented surface, poor bath chemistry management, inadequate washing of the parts, and less maintained apparatus. Thus, the coated products, which are manufactured by galvanizers, have to develop the excellence of the line instrument, the heat treatment management, and the Zn bath in sequence to touching the hard and tough quality essential for automotive uses and applications. This review paper first discusses different types of galvanized coating defects, and then discusses different coating defects like Bare spot, Distortion, Dross, Touch marks, Dents, Rough Coating, Ash Deposit, Mechanical Damage, Blow out, Runs, Uncoated or Ungalvanized Surface, Reactive and Non-reactive steels welded together, Puddling and suggests possible remedial measures to be taken care; at the end, it summarize and concluded.
format Article
author Parmar, Jayraj
Sharma, Daulat Kumar
Khyati, Patel
Sweta, Patel
spellingShingle Parmar, Jayraj
Sharma, Daulat Kumar
Khyati, Patel
Sweta, Patel
A review on galvanizing coating defects : causes and remedies
author_facet Parmar, Jayraj
Sharma, Daulat Kumar
Khyati, Patel
Sweta, Patel
author_sort Parmar, Jayraj
title A review on galvanizing coating defects : causes and remedies
title_short A review on galvanizing coating defects : causes and remedies
title_full A review on galvanizing coating defects : causes and remedies
title_fullStr A review on galvanizing coating defects : causes and remedies
title_full_unstemmed A review on galvanizing coating defects : causes and remedies
title_sort review on galvanizing coating defects : causes and remedies
publisher Penerbit Universiti Kebangsaan Malaysia
publishDate 2022
url http://journalarticle.ukm.my/20321/1/01.pdf
http://journalarticle.ukm.my/20321/
https://www.ukm.my/jkukm/volume-3404-2022/
_version_ 1748704124277358592
score 13.211869

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