JPS55152103A - Heat-resistant zirconium oxide-base cermet powder and manufacture of the same - Google Patents
Heat-resistant zirconium oxide-base cermet powder and manufacture of the sameInfo
- Publication number
- JPS55152103A JPS55152103A JP6104679A JP6104679A JPS55152103A JP S55152103 A JPS55152103 A JP S55152103A JP 6104679 A JP6104679 A JP 6104679A JP 6104679 A JP6104679 A JP 6104679A JP S55152103 A JPS55152103 A JP S55152103A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- zro2
- cermet powder
- produce
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000843 powder Substances 0.000 title abstract 8
- 239000011195 cermet Substances 0.000 title abstract 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 229910052726 zirconium Inorganic materials 0.000 title 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 229910000428 cobalt oxide Inorganic materials 0.000 abstract 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 abstract 1
- LBFUKZWYPLNNJC-UHFFFAOYSA-N cobalt(ii,iii) oxide Chemical compound [Co]=O.O=[Co]O[Co]=O LBFUKZWYPLNNJC-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000011104 metalized film Substances 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0012—Rolls; Roll arrangements
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
PURPOSE:To provide a cermet powder containing ZrO2 and Co for preventing oxide scale of steel material from adhering onto the roll surface when the cermet powder is flame spraged onto the roller. CONSTITUTION:A ZrO2 powder and a Co powder are mixed so that the content of Co may become 10-40wt%, the mixture is pressurized, and then heated at 1,400 deg.C for approx. 1hr in non-oxidizing atmosphere or vacuum to produce a sintered lump. Or, cobalt oxide powder is mixed with ZrO2 powder so that the content of Co may become 10-40wt%, the mixture is compressed, and heated at 1,400 deg.C in reducing atmosphere such as hydrogen to reduce the cobalt oxide to Co so as to produce sintered ZrO2-Co lump. The sintered lump is pulverized to produce a ZrO2-Co cermet powder of 200-400 mesh. This cermet powder is flame sprayed to the surface of a hearth roller in a heat-treatment furnace to form a metallized film which is strong against heat shock and difficult to adhere iron oxide scale thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6104679A JPS55152103A (en) | 1979-05-17 | 1979-05-17 | Heat-resistant zirconium oxide-base cermet powder and manufacture of the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6104679A JPS55152103A (en) | 1979-05-17 | 1979-05-17 | Heat-resistant zirconium oxide-base cermet powder and manufacture of the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55152103A true JPS55152103A (en) | 1980-11-27 |
Family
ID=13159893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6104679A Pending JPS55152103A (en) | 1979-05-17 | 1979-05-17 | Heat-resistant zirconium oxide-base cermet powder and manufacture of the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55152103A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6342324A (en) * | 1986-08-09 | 1988-02-23 | Nippon Steel Corp | Hearth roll for heat treating furnace |
| JPS63241152A (en) * | 1987-03-27 | 1988-10-06 | Babcock Hitachi Kk | Oxide-type thermal spraying material |
| JPH01287263A (en) * | 1988-05-11 | 1989-11-17 | Nara Kikai Seisakusho:Kk | Thermal spraying powder combined with metal powder and ceramic powder for intermediate layer between metal and ceramic and its production |
| JPH04358001A (en) * | 1991-01-25 | 1992-12-11 | Sanyo Special Steel Co Ltd | Production of compound powder for thermal spraying |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5446144A (en) * | 1977-09-20 | 1979-04-11 | Matsushita Electric Ind Co Ltd | Hot plate |
-
1979
- 1979-05-17 JP JP6104679A patent/JPS55152103A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5446144A (en) * | 1977-09-20 | 1979-04-11 | Matsushita Electric Ind Co Ltd | Hot plate |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6342324A (en) * | 1986-08-09 | 1988-02-23 | Nippon Steel Corp | Hearth roll for heat treating furnace |
| JPS63241152A (en) * | 1987-03-27 | 1988-10-06 | Babcock Hitachi Kk | Oxide-type thermal spraying material |
| JPH01287263A (en) * | 1988-05-11 | 1989-11-17 | Nara Kikai Seisakusho:Kk | Thermal spraying powder combined with metal powder and ceramic powder for intermediate layer between metal and ceramic and its production |
| JPH0575824B2 (en) * | 1988-05-11 | 1993-10-21 | Nara Machinery Co Ltd | |
| JPH04358001A (en) * | 1991-01-25 | 1992-12-11 | Sanyo Special Steel Co Ltd | Production of compound powder for thermal spraying |
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