An origin of corrosion resistance changes of Zr alloys: effects of Sn and Nb on grain boundary strength of surface oxide

2021 ◽  
pp. 116804
Author(s):  
Rong Yuan ◽  
Yao-Ping Xie ◽  
Tong Li ◽  
Chen-Hao Xu ◽  
Mei-Yi Yao ◽  
...  
2020 ◽  
Author(s):  
Rong Yuan ◽  
Xie Yao-Ping ◽  
Tong Li ◽  
Chen-Hao Xu ◽  
Mei-Yi Yao ◽  
...  

2002 ◽  
Vol 43 (7) ◽  
pp. 1771-1773 ◽  
Author(s):  
Shujie Pang ◽  
Tao Zhang ◽  
Katsuhiko Asami ◽  
Akihisa Inoue

1970 ◽  
Vol 9 (9) ◽  
pp. 39-43
Author(s):  
Basu Ram Aryal ◽  
Jagadeesh Bhattarai

Simultaneous additions of tungsten, chromium and zirconium in the chromium- and zirconium-enriched sputter-deposited binary W-xCr and W-yZr are effective to improve the corrosion resistance property of the ternary amorphous W- xCr-yZr alloys after immersion for 240 h in 1 M NaOH solution open to air at 25°C. The corrosion rates of all the examined sputter-deposited (10-57)W-(18-42)Cr-(25-73)Zr alloys is higher than those of alloy-constituting elements (that is, tungsten, chromium and zirconium) in aggressive 1 M NaOH solution open to air at 25°C. The corrosion rates of all the examined sputter−deposited W–xCr–yZr alloys containing 10-57 at% tungsten, 18-42 at% chromium and 25-73 at% zirconium were in the range of 1.5-2.5 × 10−3 mm/y or lower which are more than two orders of magnitude lower than that of sputter-deposited tungsten and even about one order of magnitude lower than those of the sputter-deposited zirconium in 1 M NaOH solution. Keywords: Ternary W–Cr–Zr alloys; Amorphous; Corrosion rate; Open circuit potential; 1 M NaOH. DOI: http://dx.doi.org/10.3126/sw.v9i9.5516 SW 2011; 9(9): 39-43


2020 ◽  
Vol 849 ◽  
pp. 156619
Author(s):  
Jianyue Zhang ◽  
Bin Jiang ◽  
Qingshan Yang ◽  
Dan Huang ◽  
Aitao Tang ◽  
...  

1990 ◽  
Vol 31 ◽  
pp. 389-394 ◽  
Author(s):  
Haruo Tomari ◽  
Fumihiro Satoh ◽  
Makoto Terada ◽  
Hiroshi Satoh ◽  
Tadahiro Ohmi ◽  
...  

2015 ◽  
Vol 379 ◽  
pp. 186-191 ◽  
Author(s):  
Pei Zhang ◽  
Tianyu Ma ◽  
Liping Liang ◽  
Xiaolian Liu ◽  
Xuejiao Wang ◽  
...  

1989 ◽  
Vol 167 ◽  
Author(s):  
D. A. Sluzewski ◽  
Y. A. Chang ◽  
V. C. Marcotte

AbstractAir oxidized Pb-Sn and Pb-Sn-In single phase alloys have been studied with scanning Auger microscopy. Line scans across grain boundaries combined with argon ion sputter etching revealed grain boundary oxidation. In the Pb-Sn samples, tin is preferentially oxidized with the grain boundary regions having a much higher percentage of tin oxide than the bulk surface oxide. In the Pb-Sn-In alloys, both tin and indium are preferentially oxidized with the grain boundary regions being enriched with tin and indium oxides.


2019 ◽  
Vol 9 (5) ◽  
pp. 405-412
Author(s):  
Bo Zhang ◽  
Huichao Jia ◽  
Quanyong Lian ◽  
Lianyu Jiang ◽  
Guangxin Wu

The effect of extrusion treatment on the mechanical, thermal and corrosion resistance of Mg–La–Zn–Zr alloys were presented. It is suggested that the amount of recrystallized grains played a major role in both mechanical properties and thermal properties. It should be noted the as-cast alloy shows the best thermal conductivity reached the value about 137.507 W/(m · K), however, the mechanical performance of magnesium alloys does not reach the expected results. The thermal properties of extruded alloys have slightly decreased and then increased with the increase of extrusion temperature. Then the tensile properties of Mg–La–Zn–Zr were significantly improved after extrusion treatment. Furthermore, with the increase of extrusion temperature, the elongation-to-fracture increased substantially. After extrusion treatment, the corrosion driving force of the alloy decreases, which reduces the corrosion tendency of the magnesium alloy. The alloy presented in this paper is expected to be applied in industry.


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