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METHOD AND APPARATUS FOR DETERMINING RESIDUAL STRESSES IN TWO-AXIAL STRESSED STATE OF FERROMAGNETIC ARTICLES
METHOD AND APPARATUS FOR DETERMINING RESIDUAL STRESSES IN TWO-AXIAL STRESSED STATE OF FERROMAGNETIC ARTICLES
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机译:确定铁磁制品两轴应力状态下残余应力的方法和装置
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the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to measuring technology and will by u0440u0435u0433u0443u043bu0438u0440u043eu0432u0430u043du0438u00a0 u043eu0442u043du043eu0448u0435u043du0438u00a0 registrable transverse and longitudinal u043cu0430u0433u043du0438u0442u043eu0443u043fu0440u0443u0433u0438u0445 effects will increase it u0438u0437u043cu0435u0440u0435u043du0438u00a0 residual u043du0430u043fu0440u00a0u0436u0435u043du0438u0439 accuracy in u0434u0432u0443u0445u043eu0441u043du043eu043c u043du0430u043fu0440u00a0u0436u0435u043du043du043eu043c u0441u043eu0441u0442u043eu00a0u043du0438u0438 ferromagnetic products.exciting winding 15, 16 measuring 3 and 4 from the generator 1 u0437u0430u043fu0438u0442u044bu0432u0430u044eu0442 compensation converters through an amplifier 2. u0430u043cu043fu043bu0438u0442u0443 nominal variables yeah. the compensation converter 4 sets the reference model, and the 3 - to u043eu0434u043du043eu043eu0441u043du043e loaded sample.in the amplitude frequency characteristics of the signal from the frequency converter change difference in measuring u043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u0442u0435u043bu00a0 orienting... river * 98M1 (f) and (f) along the * 98M11 u043du0430u043fu0440u0430u0432u043bu0435u043du0438u00a0 alternately u043du0430u0433u0440u0443u0436u0430u044eu0449u0435u0439 forces. the amplitude of primary current, are unchanged.set the frequency u0432u043eu0437u0431u0443u0436u0434u0435u043du0438u00a0 Fu0432, in which the u0430u0431u0441u043eu043bu044eu0442u043du0430u00a0 u043eu0442u043du043eu0448u0435u043du0438u00a0 * 98M1 / * 98M11 is equal to 1 + * 987u043d / 1 -, where is the poisson's ratio of material u0438u0437u0434u0435u043bu0438u00a0. at this frequency u043fu0440u043eu0432u043eu0434u00a0u0442 u0433u0440u0430u0434u0443u0438u0440u043eu0432u043au0443, u0441u0442u0440u043eu00a0u0442 u0433u0440u0430u0434u0443u0438u0440u043eu0432u043eu0447u043du0443u044e characteristic which u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 coefficient m, equal u0442u0430u043du0433u0435u043du0441u0443 primary inclination of the har u0430u043au0442u0435u0440u0438u0441u0442u0438u043au0438.then u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 98M1 difference * and * * * 98M2 output signals 98M1 and 98M2 converters when the measurement on the product in the direction of the principal on u043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u0442u0435u043bu00a0 u043fu0440u00a0u0436u0435u043du0438u0439 1 and 2 with the output signal of the compensation u043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u0442u0435u043bu00a0 0. the main u043du0430u043fu0440u00a0u0436u0435u043du0438u0439 u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 on formulas 98M / 1 + 1 = * (* * 98H2 98M1 - * - * 98H1 98H / 1 + * 98H * 98M2) 2 = * 98M / (1 + (1 - * * 98H2 98H / 1 + * + * * * 98M2 98H 98H 98M1).output signals from the transducers, u0441u043du0438u043cu0430u0435u043cu044bu0435 measuring windings 7 and 9, 10, 11, 12, is a u0432u044bu043fu0440u00a0u043cu0438u0442u0435u043bu0438 included in the shoulders of the measuring scheme. the bridge 14 is u0434u043bu00a0 installation u043du0443u043bu00a0 measurement scheme. 2 and 1 u0437.u043f.u0444 - lu, 3).
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