Microstructure and Tensile Properties of Cu-Zn Brass after Severe Plastic Deformation / S. Yu. Tarasov [et al.]

Уровень набора: (RuTPU)RU\TPU\network\4816, AIP Conference ProceedingsАльтернативный автор-лицо: Tarasov, S. Yu., specialist in the field of mechanical engineering, Professor of Tomsk Polytechnic University, Doctor of technical sciences, 1959-, Sergei Yulievich;Filippov, A. V., specialist in the field of mechanical engineering, assistant of Yurga technological Institute of Tomsk Polytechnic University, 1988-, Andrey Vladimirovich;Fortuna, S. V.;Vorontsov, A. V.Коллективный автор (вторичный): Национальный исследовательский Томский политехнический университет, Инженерная школа новых производственных технологий, Отделение материаловеденияЯзык: английский.Резюме или реферат: An experimental investigation of the effect of equal-channel angular pressing (ECAP) on structural changes and mechanical properties of Cu-Zn brass with a low stacking fault energy has been undertaken. It is shown that the main mechanism of deformation is twinning. As the number of passes increases, the density of twins increases too. The shift in the intersecting planes leads to the curvature and distortion of the twin systems formed after preceding passes. As a result of ECAP, both yield strength and strength limit increased while plasticity decreased. Fracture of samples occurs mainly as a result of loss of plasticity, but after 2 and 3 ECAP passes samples also reveal some plastic viscous fracture regions..Примечания о наличии в документе библиографии/указателя: [References: 6 tit.].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | микроструктуры | механические свойства | растяжения | медь | пластические деформации | угловое прессование | структурные изменения | двойникование | пластичность Ресурсы он-лайн:Щелкните здесь для доступа в онлайн
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[References: 6 tit.]

An experimental investigation of the effect of equal-channel angular pressing (ECAP) on structural changes and mechanical properties of Cu-Zn brass with a low stacking fault energy has been undertaken. It is shown that the main mechanism of deformation is twinning. As the number of passes increases, the density of twins increases too. The shift in the intersecting planes leads to the curvature and distortion of the twin systems formed after preceding passes. As a result of ECAP, both yield strength and strength limit increased while plasticity decreased. Fracture of samples occurs mainly as a result of loss of plasticity, but after 2 and 3 ECAP passes samples also reveal some plastic viscous fracture regions.

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