Strain effect on transport properties of Nb3Sn multifilament strands of internal tin route for ITER

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. Strain effect on transport properties of Nb3Sn multifilament strands of internal tin route for ITER. Acta Metall Sin, 2009, 45(2): 0-0.

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Abstract Superconducting properties of Nb3Sn strands are much affected by the strain state of strands. More attention is concentrated on the influence of axial strain and bending test on the performance of Nb3Sn strands and cables for practical applications. Nb3Sn strands fabricated by internal tin process were measured in the axial strain ranged from -0.9% (compressive) to +0.6% (tensile) at 4.2K, 12T for ITER use. The different strain sensitivity of Jc to the strain state was elaborated for the strands. The degradation of the superconducting critical current density and the n value due to strain were analyzed.

Key words: Nb3Sn internal tin process ITER axial strain dev. Strain model

Received: 14 January 2008

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	LIANG Meng
	LV Ya-Feng
	ZHANG Beng-Xiang
	ZHOU Lian
	TANG Xian-De
	LI Jin-Shan

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y2009/V45/I2/0

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