Analysis and Countermeasures of Coating Sealant Cracking Failure Mode

HUANG Ping[1];FENG Chang-bo[1];ZHANG Feng[1]

HUANG Ping[1];FENG Chang-bo[1];ZHANG Feng[1]

Modern Paint & Finishing ›› 2023, Vol. 26 ›› Issue (6) : 24-26.

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Modern Paint & Finishing ›› 2023, Vol. 26 ›› Issue (6) : 24-26.

Analysis and Countermeasures of Coating Sealant Cracking Failure Mode

HUANG Ping[1];FENG Chang-bo[1];ZHANG Feng[1]

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Abstract

The reasons for the sealant cracking of the two types of welding seams,the hemming weld and the lap weld were analyzed from the aspests of material properties,oven temperature and sheet metal deformation.The reasons for the sealant cracking were found,and corresponding countermeasures were made to solve the problem of sealant cracking.

Key words

cracking;seam sealant;coating process

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HUANG Ping[1];FENG Chang-bo[1];ZHANG Feng[1]. Analysis and Countermeasures of Coating Sealant Cracking Failure Mode[J]. Modern Paint & Finishing. 2023, 26(6): 24-26