Acta Metall Sin  2005, Vol. 41 Issue (1): 33-    DOI:

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Effects Of Twin Size On The Dislocation Configuration During Cyclic Deformation Of Polycrystalline Twin Copper

DENG Wen; RUAN Xiangdong; HUANG Yuyang;ZHOU Yin'e; ZHU Yingying; ZHU Yingying

Department of Physics; Guangxi University; Nanning 530004

DENG Wen; RUAN Xiangdong; HUANG Yuyang; ZHOU Yin'e; ZHU Yingying; ZHU Yingying. Effects Of Twin Size On The Dislocation Configuration During Cyclic Deformation Of Polycrystalline Twin Copper. Acta Metall Sin, 2005, 41(1): 33-.

Abstract References Related Articles Recommended Metrics Download:  PDF(147KB)  Export:  BibTeX | EndNote (RIS)       Abstract  Doppler--broadening spectra of positron annihilation radiation of Al, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn and Ga have been measured by using 2--detector coincidence technique. The lower background of the spectrum allows to obtain the contribution of annihilations with core electrons. The experiments show that the background decreases with increasing the distance between the sample and the Ge detector. The magnitude of the peak of the ratio curve of Ni (ratio to Al) increases with decreasing the background of the spectrum. For Ti, V, Cr, Mn, Fe, Co, Ni and Cu, the heights of the peaks in the ratio curves rise with increasing the number of 3d--electrons. Key words:  positron annihilation      coincidence technique      background       Received:  01 March 2004      ZTFLH:  TG111.1   Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors DENG Wen RUAN Xiangdong HUANG Yuyang ZHOU Yin'e ZHU Yingying ZHU Yingying URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y2005/V41/I1/33 [1] West R N. Adv Phys, 1973; 22: 263 [2] Deng W, Xiong L Y, Wang S H, Guo J T, Long Q WActa Metall Sin, 2002; 38: 453(邓文,熊良钺,王淑荷,郭建亭,龙期威.金属学报,2002;38:453) [3] Lynn K G, MacDonald J R, Boie R A, Feldman L C,Gabbe J D, Robbins M F, Bonderup E, Golovchenko JPhys Rev Lett, 1977; 38: 241 [4] Deng W, Brusa R S, Karwarsz G P, Zec.ca A. Mater SciForum, 2001; 363: 195 [5] Deng W, Brusa R S, Karwarsz G P, Zecca A. Mater SciForum, 2001; 363: 198 [6] Saarinen K, Nissila J, Kauppinen H, Hakala M, Puska MJ, Hautojavi P, Corbel C. Phys Rev Lett, 1999; 82 1883 [7] Petkov M P, Weber M H, Lynn K G, Crandall R S, GhoshV J. 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