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| Content Provider | Springer Nature Link |
|---|---|
| Author | Ghaderi, M. Rezagholizadeh, M. Nasiri Vatan, H. Ebrahimi Kahrizsangi, R. |
| Copyright Year | 2015 |
| Abstract | In this research, the hot corrosion behavior of electroless nickel-(4, 7, 9, and 12 wt % P) was studied in 70 wt % Na$_{2}$SO$_{4}$–30 wt % NaCl (3 and 6 mg/cm$^{2}$) molten salt on a copper substrate. After being plated with a thickness of 25 ± 3 µm, the specimens were annealed at 400°C for 1 hour, and then the hardness of each was measured by the Vickers hardness test method. The hot corrosion test was performed at 650°C for 20 hours inside the furnace at a rate of 4°C/min under atmospheric conditions. The results showed that Ni—7 wt % P and Ni—12 wt % P electroless coatings included the highest and the lowest hot corrosion resistance, respectively. The difference in the weight increase of the hot corrosion of Ni—12 wt % P coating was about 8 times as much as that of Ni—7 wt % P, and the difference in thermal expansion between the substrate and the coating was responsible for the cracks in the coating. Diffusion of the molten salt through these cracks expanded and reached the intersection of the coating and the substrate. The results of the XRD showed the formation of NiSO$_{4}$, NiO, and Cu on the coating surface after the hot corrosion test. |
| Starting Page | 367 |
| Ending Page | 373 |
| Page Count | 7 |
| File Format | |
| ISSN | 10683755 |
| Journal | Surface Engineering and Applied Electrochemistry |
| Volume Number | 51 |
| Issue Number | 4 |
| e-ISSN | 19348002 |
| Language | English |
| Publisher | Allerton Press |
| Publisher Date | 2015-09-08 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | electroless Ni—P molten salt hot corrosion hot mount Manufacturing, Machines, Tools |
| Content Type | Text |
| Resource Type | Article |
| Subject | Industrial and Manufacturing Engineering Surfaces, Coatings and Films Surfaces and Interfaces |
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