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Developing Algorithms for Estimating Strength on the Base of Imitating Structural Model of Acoustic Emission. II. Effect of Structural Inhomogeneity of a Material

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Abstract

The first part was dedicated to the theoretical basis for estimating strength characteristics of materials developed from the ideas that had been put forth in the earlier publications [1–5]. A formalized technique based on the earlier studies [2, 3] was also discussed. Its main assumption was that the material was homogeneous, and it enabled one to process real experimental data on a computer. This paper is devoted to the effect of structural inhomogeneities of materials, which is identified with a large spread of the parameter \(\overline \omega \). This factor must be taken into account in a number of cases when the assumption that a tested body is structurally homogeneous does not apply.

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REFERENCES

  1. Nosov, V.V. and Potapov, A.I., Structural Model Simulating Parameters of Acoustic Emission, Defektoskopiya, 1996, no. 6, pp. 30-38.

  2. Nosov, V.V., Technique for Determination of Informative Parameters of Acoustic Emission, Defektoskopiya, 1998, no. 5, pp. 91-98.

  3. Nosov, V.V. and Potapov, A.I., Estimating Strength of Shells on the Base of Hydrodynamic Tests and Detected Acoustic Emission Signals, Defektoskopiya, 1998, no. 5, pp. 99-107.

  4. Bashkarev, A.Ya., Kuksenko, V.S., Nosov, V.V., and Petrov, V.A., Kinetic Approach to Estimating Strengths and Service Lives of Metal-Polymer Adhesion Composites by Method of Acoustic Emission, Dokl. Akad. Nauk SSSR, 1988, vol. 301, no. 3, pp. 595-598.

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  5. Bashkarev, A.Ya., Nosov, V.V., and Petrov, V.A., Assessing Serviceability of Metal-Polymer Components of Machines by Method of Acoustic Emission, Mekhanika Kompozitnykh Materialov, 1989, no. 2, pp. 254-261.

  6. Bashkarev, A.Ya. and Nosov, V.V., Nondestructive Evaluation of Strength of Adhesion Contacts, Izv. Vyssh. Uchebn. Zaved., Mashinostroenie, 1986, no. 5, pp. 18-22.

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Authors and Affiliations

  1. Lipetsk State Technical University, Lipetsk, Russia

    V. V. Nosov & Yu.V. Kotov

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  1. V. V. Nosov
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  2. Yu.V. Kotov
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Nosov, V.V., Kotov, Y. Developing Algorithms for Estimating Strength on the Base of Imitating Structural Model of Acoustic Emission. II. Effect of Structural Inhomogeneity of a Material. Russian Journal of Nondestructive Testing 37, 650–655 (2001). https://doi.org/10.1023/A:1014943507838

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  • DOI: https://doi.org/10.1023/A:1014943507838

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