EFFECT OF HEAT TREATMENT ON HYDROGEN SOLUBILITY IN Zr-2.5Nb ALLOY

被引：0
|
作者：
Garcia, C. [1 ]
Ramunni, V. P. [2 ,3 ]
Domizzi, G. [1 ,3 ]
机构：
[1] UNSAM CNEA, Inst Sabato, Av Gral Paz 1499, RA-1650 San Martin, Argentina
[2] Consejo Nacl Invest Cient & Tecn, C1425FQD, RA-2390 Godoy Cruz, Argentina
[3] Gcia Mat CNEA, Av Gral Paz 1499, RA-1650 San Martin, Argentina
来源：
ANALES AFA | 2022年 / 33卷 / 01期
关键词：
hydrogen; hydrides; solubility; Zr-Nb alloys; experimental tests; HYDRIDE PRECIPITATION; PHASE; ALPHA; LIMITS;
D O I：
10.31527/analesafa.2022.33.1.24
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have studied the hydrogen terminal solid solubility (TSS) on Zr-2.5Nb. The samples were aged at 470 degrees C for 10 h, plus a hydrogen gaseous charge followed by a homogenization treatment at 470 degrees C - 6 h in order of distributing the hydrogen throughout the sample's bulk. The microstructure was characterized by Optical Microscopy, Scanning Electron Microscopy, and X-Rays. Differential Scanning Calorimetry (DSC) test were carried out to determine the hydrides dissolution and precipitation temperatures from which the hydrogen TSS curves were obtained. Our results reveal that the thermal treatment employed has not significantly affected the microstructure compared to treatments at 380 degrees C by other authors; however, the hydrogen TSS was slightly higher.
引用
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页码：24 / 30
页数：7
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