Mechanical Properties of Zircaloy-4 Cladding Tube by Advanced Expansion due to Compression (A-EDC) Test

被引：6

作者：

Zhao, Z. ^{[1
]}

Kunii, D. ^{[1
]}

Abe, T. ^{[1
]}

Yang, H. L. ^{[2
]}

Kano, S. ^{[2
]}

Matsukawa, Y. ^{[3
]}

Satoh, Y. ^{[3
]}

Abe, H. ^{[2
]}

机构：

[1] Tohoku Univ, Grad Sch Engn, Sendai, Miyagi 9808577, Japan

[2] Univ Tokyo, Sch Engn, Dept Nucl Engn, Tokai, Ibaraki 3191188, Japan

[3] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan

来源：

MATERIALS TRANSACTIONS | 2017年 / 58卷 / 01期

关键词：

Zircaloy-4; pellet-cladding mechanical interaction (PCMI); advanced expansion due to compression (A-EDC); mechanical properties; hoop stress-strain curve; IN-SITU; FRACTURE; STRAIN; DEFORMATION; ANISOTROPY; ZIRCONIUM; TEXTURE;

D O I：

10.2320/matertrans.ML201601

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new testing technique named advanced expansion due to compression (A-EDC) has been developed with an attempt to study the hoop mechanical behavior of Zircaloy-4 cladding under the pellet-cladding mechanical interaction (PCMI) and the presumed reactivity-initiated accident (RIA). The Zircaloy-4 used in this work showed elongated grains in the tube longitudinal direction, large amounts of residual strain, and crystallographic texture. The finite element method (FEM) analysis illustrates that the A-EDC test shows a uniaxial tension in the hoop direction, which has also been confirmed by experiments. In addition, the hoop stress-strain curve has been derived at room temperature by the A-EDC tests. Moreover, the fractured surface has been observed in this research.

引用

页码：46 / 51

页数：6

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