Stationary creep prediction from model tests using reference stresses

Author:

Fessler H1,Hyde T H1,Webster J J1

Affiliation:

1. Department of Mechanical Engineering, The University of Nottingham

Abstract

The theoretical basis of the experimental determination of reference stresses from model tests is established for one-dimensional and complex stress systems. A graphical method of obtaining the experimental reference stress is presented and used to determine reference stresses for the strain in beams in pure bending and the tip deflection of cantilever beams from room-temperature tests of lead-antimony-arsenic models. The results are compared with theoretical values. It is shown how prototype deformation can be predicted from a test of a model of the component, model material creep data and the strain of a uniaxial prototype material specimen tested at the reference stress. Errors in the prediction of prototype deformations are considered.

Publisher

SAGE Publications

Subject

Applied Mathematics,Mechanical Engineering,Mechanics of Materials,Modeling and Simulation

Cited by 9 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. The use of model materials to simulate creep behaviour;The Journal of Strain Analysis for Engineering Design;1994-07-01

2. Reference stress approach for predicting creep deformation of metal matrix composites;Materials Science and Technology;1994-06

3. Interpretation of impression creep data using a reference stress approach;International Journal of Mechanical Sciences;1993-06

4. Estimates of the creep parameter C∗ in terms of reference stress;The Journal of Strain Analysis for Engineering Design;1986-04-01

5. Use of the reference stress concept to assess the effect of crack growth increment size on the accuracy of creep crack grow predictions;The Journal of Strain Analysis for Engineering Design;1986-04-01

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