10 Papers
63 Citations
J. Ma is an academic researcher from Shaanxi Normal University. The author has contributed to research in topics: Levitation & Magnetic levitation. The author has an hindex of 6, co-authored 9 publications. Previous affiliations of J. Ma include Qinghai Normal University.
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Papers
A new 3D levitation force measuring device for REBCO bulk superconductors
TL;DR: In this paper, a 3D levitation force measuring device for ReBa2Cu3O7−x (REBCO) bulk superconductors has been designed and constructed, and three pull pressure load cells are orthogonally set on a fixing bracket to test the interaction force between a bulk superconductor and a magnet in three dimensions.
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The Influence of Y 2 Ba 4 CuNbO x Nanoparticle Addition on the Superconducting Properties of Single Domain YBCO Bulks
TL;DR: In this paper, single-domain YBCO superconductors with different additions of nanometer Y 2Ba 4CuNbO x NdBCO (YNb2411), based on the solid phase of [(100-x)Y 2BaCuO 5(Y211) + x YNB2411] (x = 3, 5, 7, 10, 12, 12) and liquid phase of (Y211 + 9 BaCuO 2 + 6CuO), were successfully fabricated by a modified top seeded infiltration and growth process (TSIG),
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A Small High-Temperature Superconducting Maglev Propeller System Model
TL;DR: In this paper, a superconducting maglev propeller system model has been designed and constructed, which mainly consists of a permanent-magnet track, two linear motors, an automatic controlling electric circuit, and a spring.
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Fabrication of single domain GdBCO bulks with different new kind of liquid sources by TSIG technique
TL;DR: In this article, single domain GdBCO bulk superconductors have been fabricated with different new kinds of liquid sources by Top Seeded Infiltration and Growth process and the properties of the samples fabricated are nearly the same as those of samples fabricated with conventional liquid sources.
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A Spacecraft Model Flying Around a Levitated Globe Using YBCO Bulk Superconductors
TL;DR: In this paper, a small spacecraft model flying around a levitated globe has been designed based on magnetic force, which can be used as an educational experiment for the diamagnetic effect and applications of superconducting materials to students.
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