CN102513531A - A self-fluxing cobalt-chromium-molybdenum alloy powder - Google Patents
A self-fluxing cobalt-chromium-molybdenum alloy powder Download PDFInfo
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- CN102513531A CN102513531A CN2011104239041A CN201110423904A CN102513531A CN 102513531 A CN102513531 A CN 102513531A CN 2011104239041 A CN2011104239041 A CN 2011104239041A CN 201110423904 A CN201110423904 A CN 201110423904A CN 102513531 A CN102513531 A CN 102513531A
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Abstract
The invention belongs to the metallurgy industry, and particularly relates to a self-fluxing cobalt-chromium-molybdenum alloy powder, which is used for increasing hardness of metal surface materials, improving corrosion resistance and wear resistance of the metal surface materials and prolonging the service life of equipment. The self-fluxing cobalt-chromium-molybdenum alloy powder is characterized by comprising raw materials, by weight percentage, 50% of cobalt, 12% of chromium and 38% of molybdenum, and then is prepared by mixing 2o% of the cobalt, chromium and molybdenum mixture with 80% of iron powder according to the volume percentage. With the self-fluxing cobalt-chromium- molybdenum alloy powder, the surface hardness of alloyed metal materials can be higher than 58HRC (Rockwell C hardness) while the wear resistance is increased by 30-50 times as compared with that of the original metal materials.
Description
Technical field
The invention belongs to hardness, the raising corrosion-resistant and wearability of metallurgy industry in order to improve the metal surface material, the alloy powder that prolongation equipment uses is particularly about a kind of vitallium self-fluxing nature powder.
Background technology
Along with national economy is fast-developing, the coal industry also increases with the cement sectors demand day by day, and construction of coal mine is at large-scale development, the colliery with column demand every year all about up to ten thousand, cement plant roll more or less a hundred, so it is very big to keep in repair market.Increasing utilizes our alloy powder cladding and technique for overlaying, column repair in the process use in the weld deposit process with roll alloy powder have cobalt, chromium, molybdenum powder proportion low weight in weld deposit process cobalt, chromium, molybdenum powder fly upward the content that has reduced the cobalt chrome molybdenum and can not make it reach optimum performance.
Summary of the invention
The purpose of this invention is to provide a kind of vitallium self-fluxing nature powder, it can overcome above deficiency, improves hardness, corrosion and the wearability of metal surface material, prolongs the service life of equipment.
For realizing above-mentioned purpose, the technical scheme that the present invention adopts is: a kind of vitallium self-fluxing nature powder is provided, it is characterized in that: it is synthetic by following raw materials by weight percent; Co cobalt 50%; Cr chromium 12%; Mo molybdenum 38%; By volume percentage will be handled mixed cobalt chrome molybdenum 20% and the processing of 80% iron powder mix again.
Above-mentioned vitallium self-fluxing nature powder preparing process process is:
1) the cobalt chrome molybdenum is pressed according to Co cobalt 50%; Cr chromium 12%; Mo molybdenum 38% weight ratio was mixed, and mixture is under-0.08 condition in vacuum, with insulation under 120 ± 5 ℃ the temperature two hours;
2) iron powder was under-0.08 condition in vacuum also, with insulation under 120 ± 5 ℃ the temperature two hours;
3) account for 20% preparation of whole volume again by the volume of cobalt chrome molybdenum;
4) add 80% iron powder by total volume percent, the cobalt chrome molybdenum accounts for 20% of cumulative volume to be mixed;
5) with 4) cobalt chrome molybdenum powder and iron powder mixed 8-12 hours in the three-dimensional rotation batch mixer;
6) with 5) mix back cobalt chrome molybdenum powder and iron powder and put ball mill into-24 ℃ to-30 ℃ ball millings 8-10 hours;
7) the vitallium self-fluxing nature powder behind the taking-up ball milling is under-0.08 condition in vacuum, gets final product in two hours with insulation under 120 ± 5 ℃ the temperature.
The present invention compared with prior art, advantage and effect that the present invention has are following:
This vitallium self-fluxing nature of the present invention powder is that a kind of equipment corrosion that is applied to coal mining and cement sectors, wear-resisting, hardness improve greatly, and also the time of having practiced thrift has been improved production efficiency simultaneously, thereby has improved profit.
Technical parameter and performance indications compare:
Hardness: original metal material surface hardness is 40～45HRC;
Metal of alloying material surface hardness of the present invention is＞58HRC;
Wearability: improve 30～50 times than original metal material wearability.
The specific embodiment:
Vitallium self-fluxing nature powder of the present invention is a kind of pipeline internal corrosion and molten multiple material of the coating of repairing the hole point of being applied to, and also is the hardfacing materials of roll outer surface.
This vitallium self-fluxing nature of embodiment powder is characterized in that: it is synthetic by following raw materials by weight percent; Co cobalt 50%; Cr chromium 12%; Mo molybdenum 38%, surplus are Fe.
Above-mentioned vitallium self-fluxing nature powder preparing process process is:
1) the cobalt chrome molybdenum is pressed according to Co cobalt 50%; Cr chromium 12%; Mo molybdenum 38% weight ratio was mixed, and mixture is under-0.08 condition in vacuum, with insulation under 120 ± 5 ℃ the temperature two hours;
2) iron powder was under-0.08 condition in vacuum also, with insulation under 120 ± 5 ℃ the temperature two hours;
3) account for 20% preparation of whole volume again by the volume of cobalt chrome molybdenum;
4) add 80% iron powder by total volume percent, the cobalt chrome molybdenum accounts for 20% of cumulative volume to be mixed;
5) with 4) cobalt chrome molybdenum powder and iron powder mixed 8-12 hours in the three-dimensional rotation batch mixer;
6) with 5) mix back cobalt chrome molybdenum powder and iron powder and put ball mill into-24 ℃ to-30 ℃ ball millings 8-10 hours;
7) the vitallium self-fluxing nature powder behind the taking-up ball milling is under-0.08 condition in vacuum, gets final product in two hours with insulation under 120 ± 5 ℃ the temperature.
Claims (2)
1. vitallium self-fluxing nature powder is characterized in that: it is synthetic by following raw materials by weight percent; Co cobalt 50%; Cr chromium 12%; Mo molybdenum 38%; By volume percentage will be handled mixed cobalt chrome molybdenum 20% and the processing of 80% iron powder mix again.
2. above-mentioned vitallium self-fluxing nature powder preparing process process is:
1) the cobalt chrome molybdenum is pressed according to Co cobalt 50%; Cr chromium 12%; Mo molybdenum 38% weight ratio was mixed, and mixture is under-0.08 condition in vacuum, with insulation under 120 ± 5 ℃ the temperature two hours;
2) iron powder was under-0.08 condition in vacuum also, with insulation under 120 ± 5 ℃ the temperature two hours;
3) account for 20% preparation of whole volume again by the volume of cobalt chrome molybdenum;
4) add 80% iron powder by total volume percent, the cobalt chrome molybdenum accounts for 20% of cumulative volume to be mixed;
5) with 4) cobalt chrome molybdenum powder and iron powder mixed 8-12 hours in the three-dimensional rotation batch mixer;
6) with 5) mix back cobalt chrome molybdenum powder and iron powder and put ball mill into-24 ℃ to-30 ℃ ball millings 8-10 hours;
7) the vitallium self-fluxing nature powder behind the taking-up ball milling is under-0.08 condition in vacuum, gets final product in two hours with insulation under 120 ± 5 ℃ the temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104239041A CN102513531A (en) | 2011-12-18 | 2011-12-18 | A self-fluxing cobalt-chromium-molybdenum alloy powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104239041A CN102513531A (en) | 2011-12-18 | 2011-12-18 | A self-fluxing cobalt-chromium-molybdenum alloy powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102513531A true CN102513531A (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104239041A Pending CN102513531A (en) | 2011-12-18 | 2011-12-18 | A self-fluxing cobalt-chromium-molybdenum alloy powder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108856699A (en) * | 2017-05-08 | 2018-11-23 | 龙岩紫荆创新研究院 | A method of preparing the spherical vitallium powder of micron order increasing material manufacturing |
-
2011
- 2011-12-18 CN CN2011104239041A patent/CN102513531A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108856699A (en) * | 2017-05-08 | 2018-11-23 | 龙岩紫荆创新研究院 | A method of preparing the spherical vitallium powder of micron order increasing material manufacturing |
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Application publication date: 20120627 |