Comparative Investigation Of Strength And Plastic Instability In Cu/au And Cu/cr Multilayers By Indentation

Y.P. Li; X.F. Zhu; J. Tan; B. Wu; W. Wang; G.P. Zhang

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Comparative Investigation Of Strength And Plastic Instability In Cu/au And Cu/cr Multilayers By Indentation

机译：压痕法对Cu / au和Cu / cr多层膜强度和塑性不稳定性的比较研究

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The mechanical response to indentation (including nano- and microindentation) has been investigated in Cu/Au and Cu/Cr multilayers with respective layer thickness ratios of 1:1 and 2:1, and individual layer thickness ranging from nanometer to submicrometer scale. It was found that the Cu/Cr multilayer has higher strength than the Cu/Au multilayer, although both multilayers have close Hall-Petch slope. Examination of indentation-induced deformation behavior shows that the Cu/Cr multilayer exhibits higher resistance to plastic deformation instability than the Cu/Au multilayer. Theoretical analysis indicates that the significant difference in mechanical response originates from the constituent layer configuration and interface structures, which impose distinguishing confining effect on dislocation activity.

机译：在具有各自的层厚比为1：1和2：1的Cu / Au和Cu / Cr多层膜中，已经研究了对压痕（包括纳米压痕和微压痕）的机械响应。发现Cu / Cr多层具有比Cu / Au多层更高的强度，尽管两个多层都具有接近的Hall-Petch斜率。压痕引起的变形行为的研究表明，Cu / Cr多层板比Cu / Au多层板具有更高的抗塑性变形不稳定性的能力。理论分析表明，力学响应的显着差异源于组成层的结构和界面结构，这对位错活动具有明显的局限作用。

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《Journal of Materials Research》 |2009年第3期|728-735|共8页
作者
Y.P. Li; X.F. Zhu; J. Tan; B. Wu; W. Wang; G.P. Zhang;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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1. Investigation of deformation instability of Au/Cu multilayers by indentation [J] . Y.P.LiaX.F.ZhuaG.P.Zhanga*J.TanaW.WangaB.Wua Philosophical Magazine . 2010,第22期

机译：压痕法研究Au / Cu多层膜的变形不稳定性
2. Investigation of deformation instability of Au/Cu multilayers by indentation [J] . Li Y.P., Zhu X.F., Zhang G.P., Philosophical magazine: structure and properties of condensed matter . 2010,第21a22期

机译：压痕法研究Au / Cu多层膜的变形不稳定性
3. Experimental evidence of plastic deformation instability in nanoscale Au/Cu multilayers [J] . G. P. Zhang, Y. Liu, W. Wang, Applied Physics Letters . 2006,第1期

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4. Strength and Plastic Deformation Behavior of Nano-Scale Au/Cu and Cr/Cu Multilayers [C] . Y. P. Li, G. P. Zhang, Z. G. Wang International Conferences on Structural Integrity and Failure . 2008

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Comparative Investigation Of Strength And Plastic Instability In Cu/au And Cu/cr Multilayers By Indentation

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