Patent Number: 
Section: claims

1. A method of adding a fret resistant layer to a reactor component comprising:entraining fret resistant particles in an applied material;melting a surface layer of the reactor component;forming the fret resistant layer by,applying the applied material and fret resistant particles to the melted surface layer of the reactor component, wherein the applied material includes a chemical element and the reactor component includes the same chemical element, andallowing the fret resistant layer and the reactor component to cool. 2. The method of claim 1, wherein the applied material and the surface layer of the reactor component are chemically compatible, such that the applied material and the surface layer of the reactor component do not cause an adverse chemical reaction with each other, and do not create an adverse material phase within the fret resistant layer, due to an electrochemical potential difference between the applied material and the surface layer of the reactor. 3. The method of claim 1, wherein the chemical element is zirconium. 4. The method of claim 1, wherein the composition of the applied material is at least 90% by weight of the chemical element, the 90% by weight not including the weight of the entrained fret resistant particles. 5. The method of claim 4, wherein the composition of the applied material is at least 95% by weight of the chemical element. 6. The method of claim 1, wherein the fret resistant particles also share the chemical element. 7. The method of claim 6, wherein,the chemical element is zirconium,the reactor component is zirconium cladding, andthe applied material is a zirconium alloy. 8. The method of claim 7, wherein the fret resistant particles are one of zirconium carbide and yttria stabilized zirconia. 9. The method of claim 1, wherein the fret resistant particles exist within the applied material at about 10-20% by volume. 10. The method of claim 1, wherein the fret resistant particles are ceramic particles with a hardness of at least 1300 kg/mm2. 11. The method of claim 1, wherein a thickness of the fret resistant layer is 10 mils or less. 12. The method of claim 1, wherein the applying of the applied material and fret resistant particles to the melted surface layer of the reactor component involves an electro-spark discharge (ESD) process. 13. The method of claim 12, wherein the applied material is an ESD electrode. 14. The method of claim 1, wherein the applying of the applied material and fret resistant particles to the melted surface layer of the reactor component involves a cold spray process. 15. The method of claim 14, wherein the applied material is a cold spray coating powder. 16. A reactor component with a fret resistant layer, comprising:the reactor component of claim 1; andthe fret resistant layer that is applied to the surface layer of the reactor component using the method of claim 1,wherein the fret resistant layer includes,the melted and cooled surface layer of the reactor component,the applied material, andthe fret resistant particles. 17. The reactor component of claim 16, wherein the applied material and the melted and cooled surface layer of the reactor component are chemically compatible, such that the applied material and the melted and cooled surface layer of the reactor component do not cause an adverse chemical reaction with each other and do not create an adverse material phase within the fret resistant layer, due to an electrochemical potential difference between the applied material and the surface layer of the reactor. 18. The reactor component of claim 16, wherein the chemical element is zirconium. 19. The reactor component of claim 16, wherein the fret resistant particles also share the chemical element. 20. The reactor component of claim 16, wherein,the chemical element is zirconium,the reactor component is zirconium cladding, andthe applied material is a zirconium alloy. 21. The reactor component of claim 20, wherein the fret resistant particles are one of zirconium carbide and yttria stabilized zirconia. 22. The reactor component of claim 16, wherein the fret resistant particles are ceramic particles with a hardness of at least 1300 kg/mm2. 23. The reactor component of claim 16, wherein a thickness of the fret resistant layer is 10 mils of less. 24. A system, comprising:a light water reactor;the reactor component of claim 1 in the reactor; andthe fret resistant layer that is applied to the surface layer of the reactor component using the method of claim 1,wherein the fret resistant layer includes,the melted and cooled surface later of the reactor component,the applied material, andthe fret resistant particles.