Iron-based alloy coating and method for manufacturing the same
AssigneeIndustrial Technology Research Institute
InventorsLi-Shing Chou, Yen-Yu Hou, Chih-Chao Yang, Yi-Tsung Pan
Life of this patent
Estimating the term…
Abstract
A method of manufacturing an iron-based alloy coating is provided, which includes (a) providing an iron-based alloy powder having a chemical formula of FeaCrbMocSidBeYf, wherein 48≤a≤50; 21≤b≤23; 18≤c≤20; 2≤d≤3; 2≤e≤4; and 0<f≤2. The method also includes step (b) thermal spraying the iron-based alloy powder to form an amorphous iron-based alloy coating, and step (c) laser re-melting the amorphous iron-based alloy coating, wherein the iron-based alloy coating is densified and remains amorphous.
Claims9
An iron-based alloy coating, having a composition of:
- FeaCrbMocSidBeYf,
- wherein 48≤a≤50;
- 21≤b≤23;
- 18≤c≤20;
- 2≤d≤3;
- 2≤e≤4;
- and
- 0<f≤2,
- wherein the iron-based alloy coating is amorphous and has a porosity of less than 0.5%.
A method of manufacturing an iron-based alloy coating, comprising:
- (a) providing an iron-based alloy powder having a chemical formula of FeaCrbMocSidBeYf, wherein 48≤a≤50;
- 21≤b≤23;
- 18≤c≤20;
- 2≤d≤3;
- 2≤e≤4;
- and 0<f≤2;
- (b) thermal spraying the iron-based alloy powder to form an amorphous iron-based alloy coating;
- and
- (c) laser re-melting the amorphous iron-based alloy coating, wherein the iron-based alloy coating is densified and remains amorphous.
Dependencies are inferred from the claim text.