Coated metal, coating-forming treatment solution, and method for producing coated metal

Patent metadata

Field	Value
Publication number	US-2022162759-A1
Application number	US-202217667029-A
Country	US
Kind code	A1
Filing date	Feb 8, 2022
Priority date	Aug 30, 2016
Publication date	May 26, 2022
Grant date	—

Abstract

Provided are coated metal, the metal having improved properties due to a novel coating, a coating-forming treatment solution for forming the novel coating, and a method for producing the coated metal that has the novel coating. The coated metal includes metal and a coating formed on the metal. The coating includes Si, P, and O, and at least one selected from the group consisting of Mg, Ca, Ba, Sr, Zn, Al, and Mn. The coating includes a compound having a NASICON-type crystal structure represented by the general formula M I M IV 2 (M V O 4 ) 3 .

First claim

1 . A coating-forming treatment solution comprising:
at least one metal phosphate selected from the group consisting of Mg, Ca, Ba, Sr, Zn, Al, and Mn; colloidal silica; and a compound having a NASICON-type crystal structure represented by the general formula M I M IV 2 (M V O 4 ) 3 , wherein, in the general formula M I M VI 2 (M V O 4 ) 3 , M I is at least one selected from the group consisting of Li, Na, K, 1/2Mg, 1/2Ca, 1/2Sr, and 1/4Zr, M IV is at least one selected from the group consisting of Zr, Ge, Ti, Hf, Cr+Na, Nb—Na, and Y+Na, and M V is at least one selected from the group consisting of P, As, and Si+Na.

Assignees

• Jfe Steel Corp

Inventors

• Terashima Takashi
• Watanabe Makoto
• Takamiya Toshito

Classifications

• C23C22/12 Primary

  containing zinc cations · CPC title

• H01F1/147

  Alloys characterised by their composition {(treatment thereof for enhancing their electromagnetic properties C21D8/12)} · CPC title

• C23C22/20

  containing aluminium cations · CPC title

• H01F1/14783

  with insulating coating · CPC title

• C23C22/74

  for obtaining burned-in conversion coatings · CPC title