Method and apparatus for measuring the strain developed in a coa

Details Method and apparatus for measuring the strain developed in a coa Method and apparatus for measuring the strain developed in a coa

1991-10-21

1993-04-06

Myracle, Jerry W.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

73150A, 73827, G01N 320

Patent

active

051993058

ABSTRACT:
A method and apparatus are provided for determining the strain developed in a coated surface. A beam with a coating on a surface thereof is mounted as a cantilever and a force is applied to the free end of the beam to cause deflection of the beam until the coating on the beam fails. The strain in the beam, and hence in the coating at the point of failure, is determined based on the dimensions of the beam, the point along the beam where failure of the coating occurs and the amount of deflection of the beam, and this determination is made independently of the temperature of the beam and the material from which the beam is made. The determination is made based on the equation E=1.5.sub.x /1.sup.3, where E is strain, h is the beam thickness, d is the beam deflection, x is the distance from the free end of the beam to the point where failure of the coating occurred, and l is the length of the beam.

REFERENCES:
patent: 2310845 (1943-02-01), Ellis
patent: 2645935 (1953-07-01), Pramuk et al.
patent: 2724964 (1955-11-01), Singdale
patent: 2924897 (1960-02-01), Ellis
patent: 3410133 (1968-11-01), Savage
patent: 3779065 (1973-12-01), Ellis
patent: 4413510 (1983-11-01), McCusker et al.
patent: 4506547 (1985-03-01), Kunze et al.
patent: 4856326 (1989-08-01), Tsukamoto

Affiliated with

Also associated with

Rating

Method and apparatus for measuring the strain developed in a coa does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for measuring the strain developed in a coa, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for measuring the strain developed in a coa will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-528624