共搜索到220条信息,每页显示10条信息,共22页。用时:0小时0分0秒557毫秒
(1-3): 354-358. [14]NGAI T Leo, CHEN W P, XIAO Z Y, et al. Die wall lubricated warm compaction of iron-based powder metallurgy materials [J]. Trans Nonferrous Met Soc China, 2002, 12(6): 1095-1098. [15]XIAO Zhi-yu, LI Yuan-yuan, NGAI Tungwai Leo, et al. Warm compaction behaviors of iron-based powder using different kinds of graphite [J]. Trans Nonferrous Met Soc China, 2003, 13(5): 1181-1184......
grains by magnetic casting[J]. Ceramic Superconductors Ⅱ, 1988. 332-342. [6]Rango P D, Lee M, Lejay P, et al. Texturing of Magnetic materials at high temperature by solidification in a magnetic... of Al3Ni nanofibers in an Al-based metal matrix composite fabricated by reaction sintering[J]. J Materials Research, 2004, 19(4): 1187-1196. [13]Ohmi T, Ueda M, Itoh Y. Solidification structure......
-based products from iron pyrite cinder by wet method [J]. Techniques and Equipment for Environmental Pollution Control, 2001, 2(1): 48-54. (in Chinese) [11] ZHANG Shun-li, MA Tong-sen, WU Zhi-shen, CHEN... in this direction. The growth rate on and planes is relatively fast, resulting in a flaky shape. The iron oxide flakes with regular hexagonal structure are formed primarily because......
of Freeze-dried Powders Prepared by Alkoxide Route for YBCO Superconductors[J]. Applied Surface Science, 1996,100-101: 272- 276.[4]MANCIC L, MARINKOVIC Z, MILOSEVIC O. Synthesis of Bi-based Superconducting... Bulletin, 1987,66(11):1647-1651.[8]BERMEJO E, BECUE T, LACOUR C, et al. Synthesis of Nanoscaled Iron Particles from Freeze-dried Precursors[J]. Powder Technology, 1997,94(1):29-34.[9]王作屏,牛景扬,许林.Keggin结构杂......
): 90-93. [2] 刘向宏, 周 廉, 吴晓祖. NbTi超导体的新进展[J]. 钛工业进展, 2000, 5: 1-6.LIU Xiang-hong, ZHOU Lian, WU Xiao-zu. The new progress NbTi superconductors [J]. Titanium Industry Process, 2000, 5: 1-6. [3] 李建峰, 张平祥......
; resistance heating; carbon; reducing-evaporation 1 Introduction Bismuth oxide has been widely used in high- temperature superconductors, photoelectric materials, electronic ceramic powders and catalysts... of Inorganic Thermodynamic Data [M]. Shenyang: Northeastern University Press, 1993.(in Chinese) [10] SAMMES N M, TOMPSETT G A, N?FE H, ALDINGER F. Bismuth based oxide electrolytes-structure and ionic......
, 211: 188-204. [3] Sergeenkov S A. On weak-link behavior of silver-doped high-Tc granular superconductors[J]. Phys C, 1993, 205: 1-13. [4] Kohayashi S, Yoshizawa S, Miyairi H, WAKANE H, AGAYA S... superconductors[J]. Phys C, 2006, 445/448: 1123-1126. [8] Alan J P, Brian W C, Robert P S. A novel process for the recovery of pure silver from impure silver chloride[J]. Hydromet, 1979, 4(3): 233-245......
preparation and performance based on BaZrO3[D]. Tianjin: Tianjin University, 2010. [2] 彭家卓, 李和平, 徐丽萍, 李 娟, 向 交. BaZrO3基高温质子导体研究现状及在水热体系原位测氢中的应用[J]. 矿物学报, 2014, 34(2): 277-282. PENG J Z, LI H P, XU L P, LI J, XIANG J. High temperature proton conductor research present situation and the application of in situ measuring hydrogen in the hydrothermal system based on BaZrO3[J]. Journal of Minerals, 2014, 34(2......
, 22(2): 131-133. [14] 肖志瑜. 高性能温压铁基粉末冶金材料的制备,成形及其应用的研究[D]. 广州: 华南理工大学机械工程学院, 2002. XIAO Zhi-yu. A study on fabrication, formation and application of warm compacted high performance iron-based powder... and compacting temperature on the higher density of iron-based green compacts[J]. Hitachi Powdered Metals Technical Report, 2002(1): 29-38. [16] Hewitt R L, Wallace W, Malherbe M C. Plastic deformation in metal......
350 ℃烧结2 h,然后进行 1 200 ℃等温锻造,总变形量为80%.锻造样分别在1 300,1 350,1 400和1 450 ℃ 4个温度点热处理1 h,空冷,将上述样品在700 ℃退火1 h,空冷. 表1 铁基合金粉末的化学成分 Table 1 Compositions of iron-based... of die wall lubrication on mechanical properties of iron-based superalloy powder compacts[J]. Journal of Central South University: Science and Technology, 2007, 38(6): 1028-1032. [12] 黄培云. 粉末冶金原理[M]. 北京......