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Microstresses Caused by Uniaxial Deformation and by Mechanical Surface Treatments

Autor: H. Behnken, B. Krüger, Viktor Hauk

Publikováno v: Zeitschrift für Metallkunde. 93:147-154

Plastic deformations of materials generally originate macrostresses as well as microstresses between the constituents of the material. Both parts may contribute to the results of stress determinations. Their influence on the material behaviour, howev

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7d17a461cc02f10c884e833895c1cbc5
https://doi.org/10.3139/146.020147

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Residual Stresses in Cu-Fe-TiC Sintered Materials after Grinding and after Shot Peening

Autor: Viktor Hauk, Bernd Krüger

Publikováno v: Zeitschrift für Metallkunde. 93:76-80

X-ray stress analyses on 7 sintered Cu-Fe-TiC alloys and on the pure phases Cu and Fe were performed. The samples of different compositions distinguish in the temperature of sintering, the content of pores, and the material characteristics. The macro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c801b44069f479899412f0ea93e4a21d
https://doi.org/10.3139/146.020076

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Determination of steep stress gradients by X-ray diffraction — results of a joint investigation

Autor: H. Behnken, Viktor Hauk

Publikováno v: Materials Science and Engineering: A. 300:41-51

Stresses caused by surface treatments show principally a profile versus the depth beneath the surface. The stress profile may be very steep near the surface, in which case the methods of its determination are restricted to those using X-ray diffracti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4cf48c5c1e93ef1f51c5f9128a874365
https://doi.org/10.1016/s0921-5093(00)01791-3

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Micro-residual stresses caused by deformation, heat, or their combination during friction welding

Autor: H. Behnken, Viktor Hauk

Publikováno v: Materials Science and Engineering: A. 289:60-69

The influences of mechanical and thermal treatments on the macro- and microstresses in two-phase materials were investigated. On samples of an austenitic–ferritic duplex steel the alterations of micro-residual stresses caused by different parameter

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6e4b3ea03c2ac115fd0d15c1a38e0d07
https://doi.org/10.1016/s0921-5093(00)00923-0

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Invariant intersections in diffraction stress analysis — a check of experimental results

Autor: Viktor Hauk, Bernd Krüger

Publikováno v: Materials Science and Engineering: A. 284:261-267

There are well known methods to determine residual and load stresses from the measurement of lattice strains by X-ray and neutron diffraction. It is shown theoretically that certain lattice strains are independent of the influences of the stress stat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::64c65f2ebf4a00c27656cca21388c643
https://doi.org/10.1016/s0921-5093(00)00729-2

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Elektronická kniha

Nondestructive Characterization of Materials : Proceedings of the 3rd International Symposium Saarbrücken, FRG, October 3–6, 1988

Autor: Paul Höller, Viktor Hauk, G. Dobmann, Clayton O. Ruud, Robert E. Green

Engineering structures for reliable function and safety have to be designed such that operational mechanical loads are compensated for by stresses in the components bearable by the materials used. Vhat is'bearable'? First of all it depends on the pro

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