Acta Metall Sin  1993, Vol. 29 Issue (10): 87-91    DOI:

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ON OF TEXTURAL YBa_2Cu_3O_(7-x) WITH NOMINAL COMPOSITION (123+211) BY LIQUID PHASE SINTERING

FAN Yongnian;TANG Baozhen;QIAO Guiwen International Centre of Materials Physics; Institute of Metal Research; Academia Sinica; Shenyang Institute of Metal Research; Academia Sinica; Shenyang

FAN Yongnian;TANG Baozhen;QIAO Guiwen International Centre of Materials Physics; Institute of Metal Research; Academia Sinica; Shenyang Institute of Metal Research; Academia Sinica; Shenyang. ON OF TEXTURAL YBa_2Cu_3O_(7-x) WITH NOMINAL COMPOSITION (123+211) BY LIQUID PHASE SINTERING. Acta Metall Sin, 1993, 29(10): 87-91.

Abstract References Related Articles Recommended Metrics Download:  PDF(644KB)  Export:  BibTeX | EndNote (RIS)       Abstract  To eliminate the deposition along BaCuO_2 grain boundaries, the 211(Y_2Ba_2CuO_5) powder was properly doped to the 123 (YBa_2Cu_3O_(7-x) compounds. Sufficienttime for mass transfer along a-b plane was allowed by lowering the cooling rate nearby thetemperature of peritectic transformation. Since the plane a-b is the fastest growing one, thelength of grains is controlled by the rate of mass transfer. XRD, SEM and EDXA analysesrevealed that the grains are strip-shaped, their orientation is perpendicular to c-axis and par-allel to surface a-b plane. Thus, the compound 123 (YBa_2Cu_3O_(7-x) has a strong texturalstructure. Key words:  liquid phase sintering      texture      peritectic transformation      YBa_2Cu_3O_(7-x)      Y_2Ba_2CuO_5      directional solidification      Received:  18 October 1993      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1993/V29/I10/87 1 Jin S, Tiefel T H, Sherwood R C, Van Dover R B, Davis M E, Kamnlott G W, Fastnacht R A. Phys Rev. 1988; B37:7850 2 Murakami M, Morita M, Doi K, Miyamoto K. Jpn Appl Phys, 1989; 28: 1189 3 Singh J P, Leu H J, Poeppel R B, Van Voorhees E, Goudey G T, Winsley K, Shi Donglu. J Appl Phys. 1989; 66:3154 4 Bordet P, Chaillout C, Chenavas J, Hodeau S L, Mariezie M, Karpinski J, Kaldis E. Nature, 1988; 334: 596 5 Laudise R A, Schneemeyer L F, Barns R L. J Crystal Growth, 1987; 85:569 6 汤宝珍,崔贞姬,樊永年,乔桂文.全国高温超导学术会议论文集(一),1988,4月,宝鸡 7 汤宝珍,樊永年.化学通报,1992;12:30 8 Wang W N, Lu H B, Lin W J, Yao P C, Shu H E, Tai M F, Ku H C. 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