Electrode material for aluminum electrolytic capacitors and method for producing same
US-2024301561-A1 · Sep 12, 2024 · US
Sintered friction material
US2020038959A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2020038959-A1 |
| Application number | US-201716603520-A |
| Country | US |
| Kind code | A1 |
| Filing date | Apr 7, 2017 |
| Priority date | Apr 7, 2017 |
| Publication date | Feb 6, 2020 |
| Grant date | — |
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Abstract
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A sintered friction material is formed by pressure sintering mixed powder at 800° C. or above, the mixed powder consisting of, in mass %, Cu and/or Cu alloy: 40.0 to 80.0%, Ni: 0% or more and less than 5.0%, Sn: 0 to 10.0%, Zn: 0 to 10.0%, VC: 0.5 to 5.0%, Fe and/or Fe alloy: 2.0 to 40.0%, lubricant: 5.0 to 30.0%, metal oxide and/or metal nitride: 1.5 to 30.0%, and the balance being impurity.
First claim
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1 . A sintered friction material formed by pressure sintering mixed powder at 800° C. or above, the mixed powder consisting of, in mass %: Cu and/or Cu alloy: 40.0 to 80.0%; Ni: 0% or more and less than 5.0%; Sn: 0 to 10.0%; Zn: 0 to 10.0%; VC: 0.5 to 5.0%; Fe and/or Fe alloy: 2.0 to 40.0%; lubricant: 5.0 to 30.0%; metal oxide and/or metal nitride: 1.5 to 30.0%; and the balance being impurity. 2 . The sintered friction material according to claim 1 , wherein the lubricant contains one or more kinds selected from graphite: 5.0 to 15.0%, hexagonal boron nitride: 3.0% or less, molybdenum disulfide: 3.0% or less, mica: 3.0% or less, and one or more kinds selected from tungsten disulfide, iron sulfide, chromium sulfide, copper sulfide, and copper matte: 10.0% or less. 3 . The sintered friction material according to claim 1 , wherein the metal oxide and/or metal nitride includes one or more kinds selected from magnesia, zircon sand, silica, zirconia, mullite, and silicon nitride. 4 . The sintered friction material according to claim 1 , wherein the Fe alloy includes one or more kinds selected from ferrochromium, ferrotungsten, ferromolybdenum, and stainless steel. 5 . The sintered friction material according to claim 2 , wherein the metal oxide and/or metal nitride includes one or more kinds selected from magnesia, zircon sand, silica, zirconia, mullite, and silicon nitride. 6 . The sintered friction material according to claim 2 , wherein the Fe alloy includes one or more kinds selected from ferrochromium, ferrotungsten, ferromolybdenum, and stainless steel. 7 . The sintered friction material according to claim 3 , wherein the Fe alloy includes one or more kinds selected from ferrochromium, ferrotungsten, ferromolybdenum, and stainless steel. 8 . The sintered friction material according to claim 5 , wherein the Fe alloy includes one or more kinds selected from ferrochromium, ferrotungsten, ferromolybdenum, and stainless steel. 9 . A sintered friction material formed by pressure sintering mixed powder at 800° C. or above, the mixed powder comprising, in mass %: Cu and/or Cu alloy: 40.0 to 80.0%; Ni: 0% or more and less than 5.0%; Sn: 0 to 10.0%; Zn: 0 to 10.0%; VC: 0.5 to 5.0%; Fe and/or Fe alloy: 2.0 to 40.0%; lubricant: 5.0 to 30.0%; metal oxide and/or metal nitride: 1.5 to 30.0%; and the balance comprising impurity.
Assignees
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Classifications
Composition of linings {; Methods of manufacturing} · CPC title
Low melting point metals, i.e. Zn, Pb, Sn, Cd, In, Ga · CPC title
Nickel or cobalt · CPC title
Silicium oxide (SiO2) · CPC title
Silicium carbide (SiC) · CPC title
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- What does patent US2020038959A1 cover?
- A sintered friction material is formed by pressure sintering mixed powder at 800° C. or above, the mixed powder consisting of, in mass %, Cu and/or Cu alloy: 40.0 to 80.0%, Ni: 0% or more and less than 5.0%, Sn: 0 to 10.0%, Zn: 0 to 10.0%, VC: 0.5 to 5.0%, Fe and/or Fe alloy: 2.0 to 40.0%, lubricant: 5.0 to 30.0%, metal oxide and/or metal nitride: 1.5 to 30.0%, and the balance being impurity.
- Who is the assignee on this patent?
- Nippon Steel Corp, Fine Sinter Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification B22F7/008. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Thu Feb 06 2020 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).