12 research outputs found

    Track D Social Science, Human Rights and Political Science

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    Peer Reviewedhttps://deepblue.lib.umich.edu/bitstream/2027.42/138414/1/jia218442.pd

    Systematic study of effects of load misalignment in uniaxial low cycle fatigue testing at high temperatures

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    SIGLEAvailable from British Library Document Supply Centre- DSC:6029.3343(NPL-R-DMM(A)--27) / BLDSC - British Library Document Supply CentreGBUnited Kingdo

    Effect of media <em>in vitro</em> maturation rate of dromadery camel oocytes

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    Empleo de explosivos en el alivio de tensiones residuales de la zona de influencia tĂŠrmica de uniones soldadas Use of explosives in the reduction of residual stresses in the heated zone of welded unions

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    En el trabajo es estudiado el efecto del tratamiento con explosivos sobre las tensiones residuales de uniones soldadas de aceros al carbono. Se analizan dos modos de disposiciĂłn de la carga explosiva (disposiciĂłn lineal y disposiciĂłn sinusoidal). Como resultado se obtiene que el tratamiento con explosivo por cualquiera de los dos mĂŠtodos de colocaciĂłn de carga ofrece un alivio de tensiones en el entorno de 50 - 60 %, demostrĂĄndose asĂ­ la viabilidad del mĂŠtodo para aumentar la fiabilidad de las uniones soldadas. Se concluye tambiĂŠn que la disposiciĂłn sinusoidal resulta mĂĄs ventajosa al requerir de menor cantidad de carga explosiva.<br>In this paper, the effect of explosive charges as a method to reduce the residual stresses in the heated zone of welded unions was studied. A comparative analysis of two geometries of the explosive charge applied on welded unions was made: linear and sinusoidal. The comparative results obtained before and after the explosive treatment demonstrate its effectiveness by the reduction of the residual stresses. Residual stress reduction ranged in the order of 50 and 60%, confirming that explosive treatment offers a viable solution to extend the life of the welded unions
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