Titanium alloy blade tip with high adhesion strength and wear-resistant protective coating and preparation method thereof
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United States of America Patent
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Oct 8, 2024
Grant Date -
May 23, 2024
app pub date -
Nov 17, 2023
filing date -
Nov 18, 2022
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A titanium alloy blade tip with a wear-resistant protective coating and a preparation method thereof are provided. The method includes: (1) spraying MCrAlY alloy powder on a surface of a titanium alloy blade tip by high velocity oxygen fuel (HVOF) spraying at a spraying distance of 300-400 mm to obtain the titanium alloy blade tip with a MCrAlY layer on the surface; where M is one of Ni and NiCo; (2) pre-plating Ni at a current density of 4-10 A/dm2; (3) placing the pre-plated titanium alloy blade tip in a Watt solution, covering a surface of the pre-plated titanium alloy blade tip obtained in the step (2) with abrasive particles, and then performing composite electroplating at a current density of 0.5-2 A/dm2. In the method, the wear-resistant protective coating with the high adhesion strength is prepared on the titanium alloy blade tip, and the wear-resistant protective coating has good wear resistance.
First Claim
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International Classification(s)
- 2023 Application Filing Year
- C23C Class
- 1736 Applications Filed
- 317 Patents Issued To-Date
- 18.27 % Issued To-Date
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- 0 Citation Count
- C23C Class
- 0 % this patent is cited more than
- 1 Age
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