Mechanical Properties and Structure of High-Purity Niobium Sheets for the Superconducting RF Cavities

被引：1

作者：

Abdyukhanov, I. M. ^{[1
]}

Alekseev, M., V ^{[1
]}

Krylova, M., V ^{[1
]}

Silaev, A. G. ^{[1
]}

Potapenko, M. M. ^{[1
]}

Kraevskiy, Y. S. ^{[1
]}

Drobyshev, V. A. ^{[1
]}

Kravtsova, M., V ^{[1
]}

Mareev, K. A. ^{[1
]}

Novosilova, D. S. ^{[1
]}

Lukianov, P. A. ^{[1
]}

Polikarpova, M., V ^{[1
]}

Tsapleva, A. S. ^{[1
]}

Dezhurnov, A. A. ^{[1
]}

Lavrov, A. A. ^{[1
]}

Shlyakhov, M. Y. ^{[2
]}

Zernov, S. M. ^{[2
]}

Gusev, E. N. ^{[3
]}

Syrtsov, S. Y. ^{[3
]}

Gorbushin, S. A. ^{[3
]}

Konshin, R. S. ^{[3
]}

Ivshin, A., V ^{[3
]}

Kasimov, R. R. ^{[3
]}

Tokarev, K. A. ^{[3
]}

Voloshin, A. V. ^{[3
]}

Ryakhovskaya, E. N. ^{[3
]}

Kotov, S., V ^{[3
]}

机构：

[1] AA Bochvar High Technol Res Inst Inorgan Mat SC V, Moscow 123098, Russia

[2] TVEL Fuel Co Rosatom, Moscow 123098, Russia

[3] SC Chepetsky Mech Plant, Glazov 427622, Russia

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2022年 / 32卷 / 04期

关键词：

Strain; Niobium; Microstructure; Grain size; Elongation; Temperature dependence; Annealing; Deformation; high-purity Nb; heat treatment; recrystallization; RRR; SRF cavities;

D O I：

10.1109/TASC.2022.3146819

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Accelerators are used in many areas of modern science and technology (FCC-ee, CEPC, ILC, ESS, MYRRHA, etc.). One of the main elements of accelerators is the superconducting cavity based on high-purity niobium sheets. In addition to RRR requirements (over 300) niobium sheets for the SRF cavities should meet rather tough requirements for the grain size, recrystallization degree and mechanical properties. Development of the manufacture regimes of the niobium sheets with the required characteristics for the SRF cavities is a promising and relevant task. The paper presents the study results of the deformation route, true strain value, recrystallization heat treatment regimes influence on the structural and mechanical characteristics of the high-purity niobium sheets.

引用

页数：4

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