文章摘要
Life Prediction of Sealant Strip of Urban Rail Vehicles Door Based on Elongation at Break
Received:July 30, 2018  Revised:July 30, 2018
DOI：10.12136/j.issn.1000-890X.2019.08.0324
Key Words: urban rail vehicle door；sealant strip；life prediction；elongation at break
Author NameAffiliationE-mail
ZHANG Yu* Nanjing Institute of Technology zy586187@163.com 
ZHU Wenming Nanjing Kangni Mechanical & Electrical Co. ，Ltd  
WANG Yuguo Nanjing Institute of Technology  
LI Jingxuan Nanjing Institute of Technology  
YANG Tailong Nanjing Institute of Technology  
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Abstract:
      The elongation at break was selected for the performance index of life prediction of the sealant strip of urban rail vehicles door（SSURVD），and the 50% retention rate of elongation at break was used as an aging threshold，the service life of the SSURVD was predicted by the measurement of two points fitting，linear fitting and non-linear fitting by the test data.The results showed that the over maintenance was happened according to the service life of the SSURVD predicted by linear fitting measurement.Both reliability and economy were taken basically into account according to the service life of the SSURVD predicted by two points fitting and non-linear fitting.
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