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@inproceedings{1368279, author = {Navrátil, Vladislav}, address = {UNOB Brno}, booktitle = {Matematika, informační technologie a aplikované vědy}, edition = {I.}, editor = {Miroslav Hrubý, Pavlína Račková}, keywords = {Metals; deformation; yield point; repeated creep curve; Portevin – Le Chatelier effect.}, howpublished = {paměťový nosič}, language = {eng}, location = {UNOB Brno}, isbn = {978-80-7231-464-5}, pages = {1 - 9}, publisher = {Univerzita obrany v Brně}, title = {Yield Point of Metals and Alloys}, year = {2016} }
TY - JOUR ID - 1368279 AU - Navrátil, Vladislav PY - 2016 TI - Yield Point of Metals and Alloys PB - Univerzita obrany v Brně CY - UNOB Brno SN - 9788072314645 KW - Metals KW - deformation KW - yield point KW - repeated creep curve KW - Portevin – Le Chatelier effect. N2 - When certain materials such as mild steel are deformed in tension, it is found that the stress – strain curve is not smooth, but shows marked irregularities, with negative slopes occuring at or near the initial yield on the curve. The actual shape of the stress – strain curve is dependent, to some extent, on many variables (for example on type of machine, temperature, impurity concentration). The present paper deals with the creep behavior of Cd+0.44 at.% Zn alloy single crystals. Contrary to the Cd single crystals discontinuous creep curves have been observed, which do not occur at 78 K. The low – temperature limit of this effect is 130 K approximately. The characteristics of these discontinuous creep curves are discussed on the assumption that the Portevin – Le Chatelier effect is acting in the Cd + 0.44 at.% Zn Alloy. ER -
NAVRÁTIL, Vladislav. Yield Point of Metals and Alloys. In Miroslav Hrubý, Pavlína Račková. \textit{Matematika, informační technologie a aplikované vědy}. I. UNOB Brno: Univerzita obrany v Brně, 2016, s.~1 - 9. ISBN~978-80-7231-464-5.
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