CN102433497B - High-carbon high-tungsten alloy Self-fusing powder - Google Patents

High-carbon high-tungsten alloy Self-fusing powder Download PDF

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Publication number
CN102433497B
CN102433497B CN201110423901.8A CN201110423901A CN102433497B CN 102433497 B CN102433497 B CN 102433497B CN 201110423901 A CN201110423901 A CN 201110423901A CN 102433497 B CN102433497 B CN 102433497B
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powder
carbon
hours
tungsten
iron
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CN102433497A (en
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王春昌
赵佳佳
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Shaanxi Tian Yuan Materials Protection Technology Co Ltd
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Shaanxi Tian Yuan Materials Protection Technology Co Ltd
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Abstract

The invention belongs to high-carbon high-tungsten alloy Self-fusing powder, it is by the Material synthesis of following weight percent; C carbon 7%; W tungsten 23%.Its blending process process is: 1, get C carbon 7% and W tungsten 23% powder, respectively under vacuum tightness is-0.08 condition, to be incubated two hours at the temperature of 120 ± 5 DEG C; 2, by the iron Fe powder of aforementioned proportion also under vacuum tightness is-0.08 condition, with at the temperature of 120 ± 5 DEG C be incubated two hours; 3, powder after above-mentioned process is pressed the weight ratio mixing of C carbon 7%, W tungsten 23%, Fe iron 70%; 4, by mixed 3) in three-dimensional rotation mixer, mix 8-12 hours; 5, then mixed powder is put into ball mill-24 DEG C to-30 DEG C ball millings 8-10 hours; 6, the iron-based Self-fusing powder after ball milling is taken out under vacuum tightness is-0.08 condition, to be incubated two hours at the temperature of 120 ± 5 DEG C.Its increases metal material surface hardness and wear-resisting.

Description

High-carbon high-tungsten alloy Self-fusing powder
Technical field
The invention belongs to metallurgy industry in order to improve metal surface material hardness, improve corrosion-resistant and wear resistance, extension device use powdered alloy, particularly about high-carbon high-tungsten alloy Self-fusing powder.
Background technology
Along with national economy is fast-developing, Coal Industry and cement sectors demand also increase day by day, and construction of coal mine is at large-scale development, and colliery column demand is annual all at about up to ten thousand, cement mill roll more or less a hundred, so market in repair service is very large.Strengthen the powdered alloy cladding and the technique for overlaying that utilize us, in column Repair gene process and in the weld deposit process of roll, use powdered alloy to have carbon, tungsten powder, in weld deposit process, powder flies upward and reduces carbon, the content of tungsten can not make it reach optimum performance.
Summary of the invention
The object of this invention is to provide a kind of high-carbon high-tungsten alloy Self-fusing powder, it can overcome above deficiency, improves the hardness of metal surface material, corrosion and wear resistance, the work-ing life of extension device.
For achieving the above object, the technical solution used in the present invention is: provide a kind of high-carbon high-tungsten alloy Self-fusing powder, it is characterized in that: it is by the Material synthesis of following weight percent; C carbon 7%; W tungsten 23%; Surplus is Fe iron.
Above-mentioned high-carbon high-tungsten alloy Self-fusing powder blending process process is:
1) C carbon 7% and W tungsten 23% powder is got, respectively under vacuum tightness is-0.08 condition, to be incubated two hours at the temperature of 120 ± 5 DEG C;
2) by the iron Fe powder of aforementioned proportion also under vacuum tightness is-0.08 condition, with at the temperature of 120 ± 5 DEG C be incubated two hours;
3) by the C carbon 7% after above-mentioned process, W tungsten 23%, all the other are weight ratio powder mixing of iron;
4) by mixed 3) in three-dimensional rotation mixer, mix 8-12 hours;
5) then 4) mixed powder puts ball mill into-24 DEG C to-30 DEG C ball millings 8-10 hours;
6) the iron-based Self-fusing powder after ball milling is taken out under vacuum tightness is-0.08 condition, to be incubated two hours at the temperature of 120 ± 5 DEG C.
The present invention compared with prior art, the advantage that the present invention has and effect as follows:
This high-carbon of the present invention high-tungsten alloy Self-fusing powder is that a kind of equipment corrosion, wear-resisting, hardness being applied to coal mining and cement sectors improves greatly, and the time that simultaneously also saves improves production efficiency, thus improves profit.
Technical parameter and performance index compare:
Hardness: original metal material surface hardness is, 40 ~ 45HRC;
By metal of alloying material surface hardness be, > 58HRC;
Wear resistance: improve 30 ~ 50 times than original metallic substance wear resistance.
The present invention by Gao Meng Gao Chrome metal of alloying material surface initial hardness is, > 42HRC;
embodiment:
High-carbon high-tungsten alloy Self-fusing powder of the present invention is that a kind of equipment corrosion, wear-resisting, hardness being applied to coal mining and cement sectors improves greatly, and the time that simultaneously also saves improves production efficiency.
This high-carbon high-tungsten alloy of embodiment Self-fusing powder blending process process is:
1) C carbon 7% and W tungsten 23% powder is got, respectively under vacuum tightness is-0.08 condition, to be incubated two hours at the temperature of 120 ± 5 DEG C;
2) by above-mentioned iron Fe powder also under vacuum tightness is-0.08 condition, with at the temperature of 120 ± 5 DEG C be incubated two hours;
3) by the C carbon 7% after above-mentioned process, W tungsten 23%, the weight ratio powder mixing of iron Fe powder 70%;
4) by mixed 3) in three-dimensional rotation mixer, mix 8-12 hours;
5) then 4) mixed powder puts ball mill into-24 DEG C to-30 DEG C ball millings 8-10 hours;
6) the iron-based Self-fusing powder after ball milling is taken out under vacuum tightness is-0.08 condition, to be incubated two hours at the temperature of 120 ± 5 DEG C.

Claims (1)

1. high-carbon high-tungsten alloy Self-fusing powder, is characterized in that: it is by the Material synthesis of following weight percent; C carbon 7%; W tungsten 23%; Fe iron 70%; High-carbon high-tungsten alloy Self-fusing powder blending process process is:
1) C carbon 7% and W tungsten 23% powder is got, respectively under vacuum tightness is-0.08MPa condition, to be incubated two hours at the temperature of 120 ± 5 DEG C;
2) by the iron Fe powder of aforementioned proportion also under vacuum tightness is-0.08MPa condition, with at the temperature of 120 ± 5 DEG C be incubated two hours;
3) powder after above-mentioned process is pressed the weight ratio mixing of C carbon 7%, W tungsten 23%, Fe iron 70%;
4) mixed step 3) is mixed 8-12 hours in three-dimensional rotation mixer;
5) then mixed for step 4) powder is put into ball mill-24 DEG C to-30 DEG C ball millings 8-10 hours;
6) the iron-based Self-fusing powder after ball milling is taken out under vacuum tightness is-0.08MPa condition, to be incubated two hours at the temperature of 120 ± 5 DEG C.
CN201110423901.8A 2011-12-18 2011-12-18 High-carbon high-tungsten alloy Self-fusing powder Active CN102433497B (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN201110423901.8A CN102433497B (en) 2011-12-18 2011-12-18 High-carbon high-tungsten alloy Self-fusing powder

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CN102433497B true CN102433497B (en) 2015-11-18

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1077207A (en) * 1992-04-08 1993-10-13 上海钢铁工艺技术研究所 Hot spray material of high-wearing and self-melting alloy
CN1081721A (en) * 1992-07-27 1994-02-09 华中理工大学 A kind of method at the metal surface through laser coating rubbing-layer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1077207A (en) * 1992-04-08 1993-10-13 上海钢铁工艺技术研究所 Hot spray material of high-wearing and self-melting alloy
CN1081721A (en) * 1992-07-27 1994-02-09 华中理工大学 A kind of method at the metal surface through laser coating rubbing-layer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Synthesis and characterization of Fe6W6C By mechanical alloying;W. Barona Mercado et al;《Hyperfine Interact》;20080523;第175卷;第49-54页 *

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