Abstract
The changes in structure and the hardness of two electroless deposited Ni-P alloy coatings (with P content of 1.5 and 9.5 wt pet) with heat treatment have been studied by XRD and TEM. The deposits containing 1.5 wt pet P can be represented as an fcc NiP supersaturated solid solution of 5-10 nm microcrystallites, whereas the deposits containing 9.5 wt pet P are amorphous. The heat treatment process induces crystallization of amorphous Ni to Ni phosphides and fee Ni. Both of the deposits reach maximum hardness after annealing at 400°C for 1 h. All coated steel specimens are inferior in fatigue strength to uncoated steel specimens mainly due to the poor fatigue resistance of the coating itself.
| Original language | English |
|---|---|
| Pages (from-to) | 342-346 |
| Number of pages | 5 |
| Journal | Journal of Materials Science and Technology |
| Volume | 12 |
| Issue number | 5 |
| Publication status | Published - 1996 |
| Externally published | Yes |
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Zhang, Y., Sun, K., Yiyong, W. U., Zhang, J., & Yao, M. (1996). Structure and properties of electroless Ni deposits. Journal of Materials Science and Technology, 12(5), 342-346.