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kingloverqui
Wysłany: Wto 15:51, 04 Sty 2011
Temat postu: ugg boots günstig Magnesium alloy prepared by mag
Magnesium alloy prepared by magnetron sputtering coating technology CrAlTiN
icalloadandwearingtimewithbias2.4 different bias XRD phase analysis of coating on the coating prepared under different bias for XRD phase analysis, x-ray incident angle of 3. Angle fixed, the acceptance angle is 20. 70. , Then X-ray can penetrate the coating depth of less than 1p, m, so the results of phase analysis CrA1TiN surface layer structure. Figure 6 30,40,50,60 V bias coating x-ray diffraction. 30V and 40V diffraction bias in the coating only in 37.2I. And 62.99. Appears at the two peaks; The analysis found that the face-centered cubic, respectively CrN (JJ1) and (220) plane of the diffraction peaks at 50V and 60V bias coating, in addition to the above two peaks, the also 43.2. Appears at a diffraction peak, the analysis, which is CrN (200) crystal face diffraction peak. In addition to the 3 CrN diffraction peaks, the coating is no diffraction peaks of other substances, so you can determine CrA1TiN coating has the face-centered cubic structure, lattice type and the same face-centered cubic CrN, CrN lattice by atoms are A1 cr , Ti atoms formed to replace. Can also be found from the diffraction pattern, bias increases, the diffraction peak broadening, indicating that as the bias increases, the coating grain refinement. 3 Conclusions 1) by changing the bias can be deposited on the surface layer of magnesium alloy has a wear resistance of CrA1TiN coating. 2) The magnesium based CrA1TiN bias on the adhesion and wear resistance of the coating a great influence on the bias of 35V, have the best combination of strength and wear resistance, with the bias voltage increases, the coating hardness and density increased, the thickness decreased. 3) magnesium-based CrA1TiN coating is columnar organization, with the face-centered cubic structure, lattice type and the same face-centered cubic CrN. [References] [1] Liu, Wang Yue, WANG Zhongguang, et al. Mg-based lightweight materials research and application [J]. Journal of Materials Research, 2000,14 (5): 4494568 (x) 6 (x�� 4 (x�� 2 (x�� 08 (x�� inhibiting 4 (x�� 2 (x�� 08 (x�� 6 (puzzle 40O2 (x �� 08 (x�� 6 (x�� 4OO2 (x�� O20304050607O diffraction angle 20 / () aU, = 30V203040506070 diffraction angle 20 / () b = 40V203040506070 diffraction angle 20 / () c = 50V203040506070 diffraction angle 20 / () d = different bias CrAITiN 60V Figure 6 x-ray diffraction pattern of the coating Figure6XRDdiffractionspectrumofcoatingsunderdifferentbias [2] Qu-Dong Wang, Lv Yizhen, ZENG Xiao-qin, et al. magnesium alloy casing of electronic equipment [J]. Materials Review,
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, 2000,14 (6 ) :22-24 [3] Liang Chunlin, Liu Yihan, Han change,
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, et al. Magnesium Alloy Surface Treatment Research and Development [J]. Surface Technology, 2006,35 (6) :57-60 [4] Wang Jian Yong, Cheng Once red, Zhang, et al. AZ3l magnesium cyanide process of electroless nickel [J]. Plating and Finishing,
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, 2006,25 (3) :43-46 [5] Chen, Zhou Hai, Yao Bin, et al. Ion Magnesium Alloy Corrosion Properties of Ti [J]. Surface Technology, 2007,36 (3) :7-9 [6] Jiang Bailing, Zhang Xianfeng, Zhu Jing. aluminum, magnesium alloy micro-arc oxidation technology Research and industrial prospects [J]. Metal Heat Treatment, 2004,29 (1) :23-297] Qu Ming, Liu Yi. AZ91D magnesium alloy arc spraying of aluminum and zinc coating [J]. Surface Technology, 2006, 35 (6): 17.18 [8] BrucknerJ,
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, GunzelJ, RichterE,
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, eta1.Metalplasmaimmersionionimplantationanddeposition (MPIIID): chromiumonmagnesium [J]. SurfaceandCoatingsTechnology, 1998,103 / 104:227 ~ 30 [9] Xu Bin-shi, Liu reference. surface engineering of new Technology [M]. Beijing: National Defence Industry Press, 2002.214.236 [1O] Tang Weizhong. thin films prepared by principles, techniques and applications [M]. Beijing: Metallurgical Industry Press .2003.67-87
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