Comparative Study of Effect of Initial Sintering in Rod/Tube Shape on $J_{\text{c}}$ and Fracture Strength of Bi-2223: 10 wt % Ag Bulk Rod Conductors

概要

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The effect of two different initial sintering routes, (1) initial sintering in the rod shape (RS) and (2) initial sintering in the tube shape (TS), has been studied especially on the critical current density ($J_{\text{c}}$) and diametric fracture strength ($\sigma$) of Bi-2223 as 10 wt % Ag bulk rod conductors from a cold isostatic pressing (CIP) process. Apart from studying $J_{\text{c}}$ and $\sigma$, these rods have been characterized by X-ray diffraction (XRD), energy dispersive analysis for X-rays (EDAX) and scanning electron microscopy (SEM). These studies showed that the final Bi-2223 rods achieved using the tube shape initial sintering route (TSR) in a for shorter duration exhibit higher $J_{\text{c}}$ and $\sigma$ values compared with final rods prepared from the rod shape using the initial sintering route (RSR).
Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
2005-11-15