Abstract
We investigated the microstructure and mechanical strength of Ag-added DyBa2Cu3Oy (Dy123) bulk superconductors with various Dy2BaCuO5 (Dy211) contents. Single-grain Dy123 bulk samples 32 mm in diameter with the addition of 5-40 mol% of Dy211 and 10 wt.% of Ag2O were fabricated in air. The sample with 5 mol% Dy211 contained many macro-cracks in the ab-plane. The amount of cracks decreased with increasing Dy211 content. Three-point bending tests were performed at room temperature to measure the mechanical properties. The average bending strength of the sample with 5 mol% Dy211 was 73 MPa. The strength was improved to 95 MPa with an addition of 40 mol% Dy211.
| Original language | English |
|---|---|
| Pages (from-to) | 651-656 |
| Number of pages | 6 |
| Journal | Physica C: Superconductivity and its Applications |
| Volume | 412-414 |
| Issue number | SPEC. ISS. |
| DOIs | |
| Publication status | Published - 2004 Oct |
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Keywords
- DyBaCuO
- DyBa CuO
- Mechanical strength
- Melt-textured bulk
- Microstructure
ASJC Scopus subject areas
- Condensed Matter Physics
Cite this
Effects of Dy2BaCuO5 contents on microstructure and mechanical strength of Ag-added Dy-Ba-Cu-O bulk superconductors. / Nariki, S.; Sakai, Naomichi; Murakami, Masato; Hirabayashi, I.
In: Physica C: Superconductivity and its Applications, Vol. 412-414, No. SPEC. ISS., 10.2004, p. 651-656.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Effects of Dy2BaCuO5 contents on microstructure and mechanical strength of Ag-added Dy-Ba-Cu-O bulk superconductors
AU - Nariki, S.
AU - Sakai, Naomichi
AU - Murakami, Masato
AU - Hirabayashi, I.
PY - 2004/10
Y1 - 2004/10
N2 - We investigated the microstructure and mechanical strength of Ag-added DyBa2Cu3Oy (Dy123) bulk superconductors with various Dy2BaCuO5 (Dy211) contents. Single-grain Dy123 bulk samples 32 mm in diameter with the addition of 5-40 mol% of Dy211 and 10 wt.% of Ag2O were fabricated in air. The sample with 5 mol% Dy211 contained many macro-cracks in the ab-plane. The amount of cracks decreased with increasing Dy211 content. Three-point bending tests were performed at room temperature to measure the mechanical properties. The average bending strength of the sample with 5 mol% Dy211 was 73 MPa. The strength was improved to 95 MPa with an addition of 40 mol% Dy211.
AB - We investigated the microstructure and mechanical strength of Ag-added DyBa2Cu3Oy (Dy123) bulk superconductors with various Dy2BaCuO5 (Dy211) contents. Single-grain Dy123 bulk samples 32 mm in diameter with the addition of 5-40 mol% of Dy211 and 10 wt.% of Ag2O were fabricated in air. The sample with 5 mol% Dy211 contained many macro-cracks in the ab-plane. The amount of cracks decreased with increasing Dy211 content. Three-point bending tests were performed at room temperature to measure the mechanical properties. The average bending strength of the sample with 5 mol% Dy211 was 73 MPa. The strength was improved to 95 MPa with an addition of 40 mol% Dy211.
KW - DyBaCuO
KW - DyBa CuO
KW - Mechanical strength
KW - Melt-textured bulk
KW - Microstructure
UR - http://www.scopus.com/inward/record.url?scp=4644239592&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=4644239592&partnerID=8YFLogxK
U2 - 10.1016/j.physc.2004.01.084
DO - 10.1016/j.physc.2004.01.084
M3 - Article
VL - 412-414
SP - 651
EP - 656
JO - Physica C: Superconductivity and its Applications
JF - Physica C: Superconductivity and its Applications
SN - 0921-4534
IS - SPEC. ISS.
ER -