采用脉冲激振法研究Zr⁃4锆合金弹性模量

陈波全, 王美玲, 陈雨航, 王朋飞, 吕俊男

计量学报 ›› 2025, Vol. 46 ›› Issue (4) : 607-613.

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计量学报 ›› 2025, Vol. 46 ›› Issue (4) : 607-613. DOI: 10.3969/j.issn.1000-1158.2025.04.20
热学计量

采用脉冲激振法研究Zr⁃4锆合金弹性模量

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An Investigation of the Elastic Modulus of Zr⁃4 Zirconium Alloy by Impulse Excitation of Vibration

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摘要

采用脉冲激振法研究了国产Zr-4合金板材、管坯、管材和棒材的杨氏模量和剪切模量。在压水堆包壳服役温度范围内,不同型材及典型取样方向下Zr-4合金杨氏模量和剪切模量分别相差不超过10%。室温至400℃之间,不同型材杨氏模量差值在3.1~3.9 GPa范围内,相差约4%~5%;剪切模量差值在1.0~2.3 GPa范围内,相差约3%~9%。棒材等效泊松比随温度增加无显著变化;板材等效泊松比随温度增加而明显增加;管坯等效泊松比随温度增加略微降低,但变化较小。

Abstract

The Young’s modulus and the shear modulus of Zr-4 zirconium alloy are investigated by impulse excitation of vibration for plates, tube stocks, pipes and bars. Within the service temperature range of the cladding in pressurized water reactors, the Young’s modulus and the shear modulus of Zr-4 zirconium alloy differ less than 10% respectively for different profiles and typical sampling directions. In the temperature range from room temperature to 400℃, the Young’s moduli for various profiles differ about 4%~5% with the value between 3.1 GPa~3.9 GPa, while shear moduli differ about 3%~9% with the value between 1.0 GPa~ 2.3 GPa. The effective Poisson’s ratio for bars shows no significant changes with the increase of temperature, while the ratio for plates increases obviously with the rise of temperature. The effective Poisson’s ratio for tube stocks slightly decreases with minimal change with rising temperature.

关键词

热物性计量 / 弹性模量 / 动态法 / 脉冲激振法 / 锆合金

Key words

thermal property measurement / elastic modulus / dynamic method / impulse excitation of vibration / zirconium alloy

引用本文

导出引用
陈波全, 王美玲, 陈雨航, . 采用脉冲激振法研究Zr⁃4锆合金弹性模量[J]. 计量学报. 2025, 46(4): 607-613 https://doi.org/10.3969/j.issn.1000-1158.2025.04.20
CHEN Boquan, WANG Meiling, CHEN Yuhang, et al. An Investigation of the Elastic Modulus of Zr⁃4 Zirconium Alloy by Impulse Excitation of Vibration[J]. Acta Metrologica Sinica. 2025, 46(4): 607-613 https://doi.org/10.3969/j.issn.1000-1158.2025.04.20
中图分类号: TB94   

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基金

国家自然科学基金联合基金重点项目(U21B2058)

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