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The energy stored in silver single crystals

โœ Scribed by A Wolfenden


Publisher
Elsevier Science
Year
1969
Weight
929 KB
Volume
17
Category
Article
ISSN
0001-6160

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โœฆ Synopsis


The energy relations involved in the room-temperature tensile deformation of single crystals of silver have been measured by single-step calorimetry.

The data have been discussed in terms of theories of work hardening.

The stored energy values were found to be linearly related to the square of the shear stress, the constants of proportionality being dependent on the initial orientations of the crystals. An explanation of these effects is given in terms of the dislocation structure after deformation.

ENERGIE

STOCKEE DANS DES MONOCRISTAUX D'ARGEST Les diff&entes Energies intervenant dans la dr5formation en traction ZL temperature ambiante de monocristaux d'argent ont 6tB obtenues par des mesures calorim&riques simples. Les rbsultats ont BtC discut& it l'aide de la thQorie de 1'8crouissane. L'auteur a trouvb clue les valeurs de l'bnernie stockee sont relibes linbairement au carr& de la cission, les oonstantes de prop&tionnalit6 &ant fonctyon des orientetions initiales des cristaux. Ces resultats sont interpr&s en faisant appel aux structures des dislocations aprbs dbformation. DIE IN SILBEREINKRISTALLEN GESPEICHERTE ENERGIE Die bei der Raumtemperatur-Zugverformung von Silbereinkristallen auftretenden EnergieverhSiltnisse wurden durch einstufige Ka,lorimetre gemessen. Die Daten werden an Hand von Verfestigungstheorien diskutiert. Es ergab sich, da13 die gespeicherte Energie linear vom Schubspannungsquadrat abhiingt; die Proportionalit&tskonstante hiingt von der Ausgangsorientierung ab. Eine Erkl&rung dieser Effekte wird in Hinsicht auf die Versetzungsstruktur nach der Verformung gegeben.


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