Topic:97 Pathfinder LE tire wear - Bridgestone Dueler H/T
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T O P I C     R E V I E W
slauroI have a 1997 LE Pathfinder- burned through Bridgestone H/T 689 tires at 21,000
miles. Vehicle is otherwise great. I'm in a
dispute with Nissan about what I feel (and others
on this board) is premature wear due to the
front-end (struts...) Other than the posts here and
NHTSA sites, anyone having any additional info to
support the idea of the vehicle being responsible
as opposed to just the tires? If anyone has a copy
of the "Plastics and Rubber" magazine article that
supposedly made mention of this issue, please let
me know. Any and all help appreciated. This is my
2nd PF and I've raved about both of them. But if
Nissan won't admit there is something amiss here, I
may need to revisit my feelings about Nissan cust.
svc and products... Thanks in advance.
donfromnaples96, Gamlitskii, Y.A; and Shvachich, M.V.

Relationship between the circumferential and meridional strains of a tyre sidewall and the stress-strain state of the rubber between the cord strands.

A pneumatic tyre is a complex rubber-cord construction. The prediction of its behaviour in service on the

basis of standard tests of simple specimens under laboratory conditions does not make it possible With sulficient accuracy to indicate where the stress state is critical or to estimate the mileage before failure. The reason for this is the discrepancy between the loading conditions of the testpieces (uniaxial elongation of the rubber, pulling out of a cord strand from the rubber mass, etc.) and the loading of a real product, where the rubber-cord parts of the tyre operate under conditions of a complex stress-strain state that does not reduce to cases of simple loading of standard specimens.

In a number of studies an examination has been made of the behaviour of composites whose structure is similar to the structure of the rubber-cord carcass and breaker plies of tyres. However, the mechanical properties of such systems have been described for small strains in an approximation of Hooke's law.

Kauchuk i Rezina, 1997, 4, 3

Int. Polym. Sci. & Technol., 1998, 25[7]

4 diag.


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