Matviiv Y. Methods of determination of long-term strength and residual lifetime of structure elements under low-temperature creep

Українська версія

Thesis for the degree of Doctor of Science (DSc)

State registration number

0516U000370

Thesis Registration Form

0516U000370.pdf

Applicant for

Specialization

  • 01.02.04 - Механіка деформівного твердого тіла

28-04-2016

Specialized Academic Board

Д.32.075.01

Essay

The thesis is devoted to creation of the calculation models of sub-critical growth of low-temperature creep cracks at the materials and structure elements as well as to forma-tion based on the models methods of long-term strength estimation and residual life time determination of the structure elements under both stationary and maneuvering operating conditions. To estimate structure elements residual life time under action of long-term static load-ing and low temperature a new calculation model has been built. The created model takes into account the first and the second piece of creep diagram, and also upper threshold has been calculated.

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Files

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