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A comparative study of pressure slip casting and spray granulation-molding for fabricating dense YBCO superconducting targets.

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Title: A comparative study of pressure slip casting and spray granulation-molding for fabricating dense YBCO superconducting targets.
Authors: Zhang, Wenyu1 (AUTHOR), Zhang, Jianhang1 (AUTHOR), Liu, Xiaokai1 (AUTHOR), Sun, Benshuang1,2,3 (AUTHOR), Zhao, Hetao1 (AUTHOR), Cheng, Nuo1 (AUTHOR), Liang, Xina1 (AUTHOR), Bi, Wenhui1 (AUTHOR), Zhang, Mingzhen1 (AUTHOR), Liu, Yang1,2,3 (AUTHOR) louis@zzu.edu.cn, He, Jilin1,2,3 (AUTHOR)
Source: Ceramics International. Apr2026:Part A, Vol. 52 Issue 9, p11056-11066. 11p.
Subjects: Slip casting, Yttrium barium copper oxide, Fabrication (Manufacturing), Superconductivity, Sintering, Electric conductivity
Abstract: This study conducts a systematic investigation into the fabrication of high-performance YBCO superconducting targets using pressure slip casting (PSC) and spray granulation–molding (SGM). By optimizing slurry properties, forming processes, and sintering conditions, it was determined that a pH of 5 provides the optimal Zeta potential (|ζ| = 106.3 mV), while ball milling for 36 h results in a fine particle size (D50 = 0.26 μm) and low viscosity (88 mPa s). The PSC green compacts exhibit enhanced sinterability, with shrinkage initiation occurring at 510 °C and densification completion around 880 °C. Analysis using the master sintering curve reveals that PSC has a lower activation energy (360 kJ/mol) compared to SGM (405 kJ/mol). Following sintering at 920 °C for 30 h, PSC targets exhibit superior density (6.20 g/cm3), electrical conductivity (ρ 300K = 1.31 mΩ cm), flexural strength (61.69 MPa), and superconducting performance (T c = 90.67 K, ΔT c = 5.96 K, J c = 118.31 A/cm2) relative to SGM targets (5.98 g/cm3, 103.42 mΩ cm, 42.52 MPa, 89.60 K, 13.06 K, and 100.47 A/cm2, respectively). This research provides a viable approach for producing high-quality YBCO sputtering targets for applications in superconducting films. [ABSTRACT FROM AUTHOR]
Copyright of Ceramics International is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 192510381
AccessLevel: 6
PubType: Academic Journal
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  Label: Title
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  Data: A comparative study of pressure slip casting and spray granulation-molding for fabricating dense YBCO superconducting targets.
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Wenyu%22">Zhang, Wenyu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Jianhang%22">Zhang, Jianhang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Xiaokai%22">Liu, Xiaokai</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sun%2C+Benshuang%22">Sun, Benshuang</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+Hetao%22">Zhao, Hetao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cheng%2C+Nuo%22">Cheng, Nuo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liang%2C+Xina%22">Liang, Xina</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bi%2C+Wenhui%22">Bi, Wenhui</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Mingzhen%22">Zhang, Mingzhen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Yang%22">Liu, Yang</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<i> louis@zzu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22He%2C+Jilin%22">He, Jilin</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Ceramics+International%22">Ceramics International</searchLink>. Apr2026:Part A, Vol. 52 Issue 9, p11056-11066. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Slip+casting%22">Slip casting</searchLink><br /><searchLink fieldCode="DE" term="%22Yttrium+barium+copper+oxide%22">Yttrium barium copper oxide</searchLink><br /><searchLink fieldCode="DE" term="%22Fabrication+%28Manufacturing%29%22">Fabrication (Manufacturing)</searchLink><br /><searchLink fieldCode="DE" term="%22Superconductivity%22">Superconductivity</searchLink><br /><searchLink fieldCode="DE" term="%22Sintering%22">Sintering</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+conductivity%22">Electric conductivity</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This study conducts a systematic investigation into the fabrication of high-performance YBCO superconducting targets using pressure slip casting (PSC) and spray granulation–molding (SGM). By optimizing slurry properties, forming processes, and sintering conditions, it was determined that a pH of 5 provides the optimal Zeta potential (|ζ| = 106.3 mV), while ball milling for 36 h results in a fine particle size (D50 = 0.26 μm) and low viscosity (88 mPa s). The PSC green compacts exhibit enhanced sinterability, with shrinkage initiation occurring at 510 °C and densification completion around 880 °C. Analysis using the master sintering curve reveals that PSC has a lower activation energy (360 kJ/mol) compared to SGM (405 kJ/mol). Following sintering at 920 °C for 30 h, PSC targets exhibit superior density (6.20 g/cm3), electrical conductivity (ρ 300K = 1.31 mΩ cm), flexural strength (61.69 MPa), and superconducting performance (T c = 90.67 K, ΔT c = 5.96 K, J c = 118.31 A/cm2) relative to SGM targets (5.98 g/cm3, 103.42 mΩ cm, 42.52 MPa, 89.60 K, 13.06 K, and 100.47 A/cm2, respectively). This research provides a viable approach for producing high-quality YBCO sputtering targets for applications in superconducting films. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Ceramics International is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.ceramint.2026.01.271
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      – Code: eng
        Text: English
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        PageCount: 11
        StartPage: 11056
    Subjects:
      – SubjectFull: Slip casting
        Type: general
      – SubjectFull: Yttrium barium copper oxide
        Type: general
      – SubjectFull: Fabrication (Manufacturing)
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      – SubjectFull: Superconductivity
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      – SubjectFull: Sintering
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      – SubjectFull: Electric conductivity
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              Text: Apr2026:Part A
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              Y: 2026
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