THE EFFECT OF RADIOLYSIS PRODUCT OF WATER ON CORROSION OF METAL MATERIAL

Min Maozhong; Qi Chengyun; Zhou Yinsheng

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THE EFFECT OF RADIOLYSIS PRODUCT OF WATER ON CORROSION OF METAL MATERIAL

更新时间：2023-04-23

- THE EFFECT OF RADIOLYSIS PRODUCT OF WATER ON CORROSION OF METAL MATERIAL
- Journal of Radiation Research and Radiation Processing Vol. 10, Issue 3, Pages: 156-159(1992)
- 作者机构：
  
  1.南京大学，南京
  2.南京辐射中心，南京
- 作者简介：
- 基金信息：
- DOI：
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Min Maozhong, Qi Chengyun, Zhou Yinsheng. THE EFFECT OF RADIOLYSIS PRODUCT OF WATER ON CORROSION OF METAL MATERIAL. [J]. Journal of Radiation Research and Radiation Processing 10(3):156-159(1992)
DOI：

Min Maozhong, Qi Chengyun, Zhou Yinsheng. THE EFFECT OF RADIOLYSIS PRODUCT OF WATER ON CORROSION OF METAL MATERIAL. [J]. Journal of Radiation Research and Radiation Processing 10(3):156-159(1992) DOI：

摘要

实验研究了水辐射分解作用对高放废物深地质处置容器材料的影响。在高放废物深地质处置库附近的地下水，受辐射线作用后分解出氧、氢和氧化产物（例如H,2,O,2,等），于是在高放废物容器周围形成一个氧化场，导致高放废物中的某些重要放射性核素（例如U，Np和Tc）易溶于水，并向远域迁移。本实验中的含FeSO,4,（0.13 mol/L）水溶液在吸收剂量为0、20、60、180、500 kGy的射线作用下，其氧化还原电位（Eh）值由+357 mV增至+414 mV；在不同吸收剂量的射线作用下，金属Cu、金属Al、0.357 mv金属Fe和不锈钢（后者是我国拟采用的高放废物包装容器材料），在水溶液中的氧化侵蚀强度，分别比在无辐射情况下的大0.2-6.1倍。

Abstract

In this paper the effect of radiolysis product on high-level radioactive waste (HLW) container is experimentally studied. Groundwater near deep repository is splitted into hydrogen, oxygen and oxidizing compounds (e. g., H,2,O,2,)under the influence of ionizing radiation, called radiolysis. It is of particular concern because itproduces an oxidation environment and an outward-migration redox front around each HLW canister, within which several important radionuclides(e. g., U, Np and Tc) are much more soluble and are migrated far away. The Fh lue of watevar solutionwith FeSO,4,(0.13 mol/L) in present experiment added under the influence of radioationof 0, 20, 60, 180 and 500 kGy(from 357 mV to 414 mV). Oxidation corrosion of copper, aluminium, iron and stainless stell metal contained in water under radiation is 0.2—6.1 times stronger than that under no radiation.

关键词

辐射分解高放废物地质处置废物容器腐蚀

Keywords

RadiolysisHigh-level radwaste (HLW)Geological disposalWaste containerCorrosion

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