Stathern Jc
Member
Fascinating. I think we can close that one then. I am surprised that the industry hasn't spotted this sooner though. I would have like to have thought that a potential materials defect would have led to a programme of monitoring to prevent the exact situation that we find ourselves in now!
The monitoring that Bill was referring to was that of the quality of raw materials received by the train manufacturer (As referred to in the article linked in #1006) rather than any routine inspection of the finished stock.well it was a programme of monitoring that found this flaw so maybe already being monitored?
Metallurgical analysis of the materials used may well be useful, but obviously that would require the disposal of a significant part.
That may eventually be necessary in order to to determine whether this problem is a design, materials, manufacturing or even a usage / maintenance process issue.