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A worm-like trace of cathode spots on Cu-Zr-Ti amorphous ribbons; A worm-like trace of cathode spots on Cu-Zr-Ti amorphous ribbons
C. Y. Zhang; Z. M. Yang; Y. P. Wang; B. J. Ding
2003 ; 2003
发表期刊Journal of Physics D-Applied Physics ; Journal of Physics D-Applied Physics
ISSN0022-3727 ; 0022-3727
卷号36期号:18页码:2276-2280
摘要On Cu-Zr-Ti amorphous ribbons, a lot of worm-like traces or quasi-continuous traces of cathode spots have been clearly observed using a scanning electron microscope (SEM). This kind of trace is eroded by the motion of a single spot step by step, and could not be observed on cathodes made of crystalline materials. Spot motion direction can be identified from the trace. The arc spreading velocity and spot lifetime can also be evaluated by these traces on SEM photographs, and they are 2.3 m s(-1) for arc spreading velocity and (1.10 +/- 0.32) mus for spot lifetime. Previously, these could only be measured using high-speed photographs. A linear relationship was found between the length of spot displacement and number of steps, which is quite different from that obtained by high-speed photographs, which fit Gaussian curves and a Rayleigh function. Possible reasons for this discrepancy are discussed.; On Cu-Zr-Ti amorphous ribbons, a lot of worm-like traces or quasi-continuous traces of cathode spots have been clearly observed using a scanning electron microscope (SEM). This kind of trace is eroded by the motion of a single spot step by step, and could not be observed on cathodes made of crystalline materials. Spot motion direction can be identified from the trace. The arc spreading velocity and spot lifetime can also be evaluated by these traces on SEM photographs, and they are 2.3 m s(-1) for arc spreading velocity and (1.10 +/- 0.32) mus for spot lifetime. Previously, these could only be measured using high-speed photographs. A linear relationship was found between the length of spot displacement and number of steps, which is quite different from that obtained by high-speed photographs, which fit Gaussian curves and a Rayleigh function. Possible reasons for this discrepancy are discussed.
部门归属xian jiaotong univ, sch sci, dept mat phys, xian 710049, peoples r china. chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china.;zhang, cy (reprint author), xian jiaotong univ, sch sci, dept mat phys, xian 710049, peoples r china ; xian jiaotong univ, sch sci, dept mat phys, xian 710049, peoples r china. chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china.;zhang, cy (reprint author), xian jiaotong univ, sch sci, dept mat phys, xian 710049, peoples r china
关键词Vacuum Arcs Vacuum Arcs Plasma Plasma Motion Motion
URL查看原文 ; 查看原文
WOS记录号WOS:000185912000022 ; WOS:000185912000022
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被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/36151
专题中国科学院金属研究所
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GB/T 7714
C. Y. Zhang,Z. M. Yang,Y. P. Wang,et al. A worm-like trace of cathode spots on Cu-Zr-Ti amorphous ribbons, A worm-like trace of cathode spots on Cu-Zr-Ti amorphous ribbons[J]. Journal of Physics D-Applied Physics, Journal of Physics D-Applied Physics,2003, 2003,36, 36(18):2276-2280, 2276-2280.
APA C. Y. Zhang,Z. M. Yang,Y. P. Wang,&B. J. Ding.(2003).A worm-like trace of cathode spots on Cu-Zr-Ti amorphous ribbons.Journal of Physics D-Applied Physics,36(18),2276-2280.
MLA C. Y. Zhang,et al."A worm-like trace of cathode spots on Cu-Zr-Ti amorphous ribbons".Journal of Physics D-Applied Physics 36.18(2003):2276-2280.
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