METHOD OF CREEP TESTING ONE-DIMENSIONAL BODIES AT CONSTANT STRESS

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 technology test of materials, in particular to the test methods for creep in 2d u0442u00a0u0433 u043fu043eu0441u0442u043eu00a0u043du043du043eu043c u043du0430u043fu0440u00a0u0436u0435u043du0438u0438, the u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - improving the accuracy and the range of u0438u0437u043cu0435u0440u00a0u0435u043cu043eu0439 creep deformation.one end of the sample u0441u043eu0435u0434u0438u043du00a0u044eu0442 stationary support, and the second u043fu0440u0438u043au0440u0435u043fu043bu00a0u044eu0442 vertically located necklace made in a body with the u043fu0440u043eu0444u0438u043bu0438u0440u043eu0432u0430u043du043d u0432u0440u0430u0449u0435u043du0438u00a0 oh at and located on receptacle with fluid. in the initial time of u043du0430u0433u0440u0443u0436u0435u043du0438u00a0 move vertically to u043au0430u0441u0430u043du0438u00a0 u043eu0441u043du043eu0432u0430u043du0438u00a0 suspension liquid surface.at the same time, with the u043du0430u0433u0440u0443u0436u0435u043du0438u0435u043c u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 heating model and measurement of creep deformation.the maintenance of u043fu043eu0441u0442u043eu00a0u043du0441u0442u0432u0430 u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 in the u0434u0435u0444u043eu0440u043cu0438u0440u043eu0432u0430u043du0438u00a0 u043eu0431u0435u0441u043fu0435u0447u0438u0432u0430u0435u0442u0441u00a0 by u0438u0437u043cu0435u043du0435u043du0438u00a0 in u0443u0434u043bu0438u043du0435u043du0438u0438 sample volume of liquid in the tank, u0432u044bu0442u0435u0441u043du00a0u0435u043cu043eu0439 brm u0441u043au0430u044eu0449u0435u0439u0441u00a0 suspension u043eu0431u0440u0430u0437u0443u044eu0449u0430u00a0 which implemented in accordance with the dependence of r (e) ro / 1 + gas where the gas is u043eu0442u043du043eu0441u0438u0442u0435u043bu044cu043du0430u00a0 u0434u0435u0444u043eu0440u043cu0430u0446u0438u00a0 model; ro - ro VaS radius u043eu0441u043du043eu0432u0430u043du0438u00a0 suspension system. o / hr to where a given u043du0430u043fu0440u00a0u0436u0435u043du0438u0435, so.the area and length of the sample before u0441u0435u0447u0435u043du0438u00a0 u043du0430u0433u0440u0443u0436u0435u043du0438u0435u043c; r, the density of the fluid. 3). with / to