CN1061441A - A kind of bronze of multi-element with manganese and aluminium for wear-resistant parts - Google Patents
A kind of bronze of multi-element with manganese and aluminium for wear-resistant parts Download PDFInfo
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- CN1061441A CN1061441A CN 91106592 CN91106592A CN1061441A CN 1061441 A CN1061441 A CN 1061441A CN 91106592 CN91106592 CN 91106592 CN 91106592 A CN91106592 A CN 91106592A CN 1061441 A CN1061441 A CN 1061441A
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Abstract
The present invention relates to a kind of bronze of multi-element with manganese and aluminium for wear-resistant parts, have high strength, high tenacity, high rigidity and high-wearing feature.As cast condition: σ b=750～900MPa, σ=15～25%, α k=100～200J/cm
2, and can improve its performance by thermal treatment comprehensively.Be specially adapted to severe environment: temperature height, dust are big, poor lubrication, load are big, impact big, serious wear, as metallurgical equipment with wear-resisting copper spare: rolling mill universal connects a copper shoe, clamps and hang guide plate, shears liner plate, bearing shell, axle sleeve, nut etc.Can improve 3～6 times of life-spans by general purpose material.
Description
The present invention relates to a kind of bronze of multi-element with manganese and aluminium for wear-resistant parts, be specially adapted to severe environment: temperature height, dust are big, poor lubrication, load are big, it is big to impact, serious wear etc., as metallurgical equipment with wear-resisting copper spare-milling train main transmission universal-joint spindle copper shoe, clamp and hang copper guide plate, shears copper lining board, cu bearing liner axle sleeve, copper mother Luo etc.
At present under severe environment, as metallurgy with wear-resisting copper spare material therefor be generally xantal (typical case's representative is ZQAL9-4, and composition is Al:8～10%, Fe:2～4%, and all the other be Cu), (it is ZQSn that the typical case represents to tinbronze
10-1, composition is Sn:9-11%, P:0.6～1.2%, and all the other are Cu and ZQSn
6-6-3, composition is Sn:5～7%, Zn:5～7%, Pb:2～4%, all the other are Cu).Their limitation and deficiencies under severe environment are: ZQAL
9-4Unlubricated friction coefficient height, heat conductivility poor, so be not suitable for especially using under metal to-metal contact or insufficient lubrication and high-load condition, " stinging card " phenomenon easily takes place in it under such condition, causes the reduction in work-ing life.And ZQSn
10-1And ZQSn
6-6-3Under the situation of insufficient lubrication, wear resisting property reduces greatly, and owing to their intensity and impelling strength are lower, thereby in use easily produce fracture and cause equipment breakdown; Their hardness low and under the big state of load wearing and tearing accelerate, thereby reduce work-ing life.The low work-ing life of above-mentioned materials, not only waste a large amount of bronze material, and increased spare parts consumption, reduced operating rate, increased labor strength.
Purpose of the present invention provides a kind of suitable novel material as metallurgical equipment with wear-resisting copper spare for what particularly work exactly for addressing the above problem under severe environment.This material should possess good comprehensive mechanical performance, promptly possesses high strength, high impact toughness, high rigidity and high-wearing feature simultaneously.
Purpose of the present invention reaches like this-
For making the present invention have good comprehensive performances, adopted multi-element alloyed principle: the manganese aluminium element can make the intensity of bell metal be improved, and when manganese content increased, intensity can increase considerably and plasticity reduces few; When the iron in the bell metal reaches certain value, will form K phase compound, K is a crystallization nuclei with tiny particle when solidifying, crystal grain thinning, thereby intensity, hardness and the wear resistance of raising bell metal; The effect of nickel is to prevent " slow cooling fragility " and crystal grain thinning; Especially titanium and rare earth have been added for the excellent abrasive resistance that the present invention is had under severe environment, when titanium content reaches certain value, can play the effect of refining, degasification and crystal grain thinning, can improve density, the impelling strength of bell metal and intensity are improved greatly.Just because of multi-element alloyed effect, make on the matrix of the present invention the disperse particle of multiple high strength phase that distributing, thereby make comprehensive mechanical performance of the present invention be better than general bell metal greatly, particularly under severe environment, show high wear resistance.
Practice shows that optimal components of the present invention is: Mn:5～20%, Al:6～10%, Fe:2～5%, Ni:1～6%, Ti:0.5～3%, Re: trace, all the other are Cu.The present invention can obtain by conventional smelting and casting.
As-cast structure matrix of the present invention is that the good α of plasticity adds the very high β of intensity and hardness mutually mutually, the abrasion resistant particles of the extreme hardness that distributing equably again on it, formed good abrasion-resistant tissues, so as-cast characteristic of the present invention is just fine, and can make its performance obtain adjusting and improving comprehensively by conventional thermal treatment.
Performance after as-cast characteristic of the present invention, the thermal treatment and general tinbronze, xantal performance comparison such as following table:
As can be seen from the table, intensity of the present invention, impelling strength, hardness are more much better than the general trade mark: tensile strength be general xantal, tinbronze 2-4 doubly; Impelling strength, hardness are general xantal, tinbronze 2-3 times.
Sample of the present invention is made copper shoe at the Jinan Iron ﹠ Steel General Works steel rolling φ of subsidiary factory 750 blooming mill main transmission universal-joint spindles and is tested, and the life-span is compared ZQAL
9-4Bring up to 4.5 times, make copper shoe and test on 250t, 400t hot shears, the life-span is improved 3 times than ZQAL9-4; Make copper shoe at the rough rolling mill φ of Tianjin Steel Works 750 blooming mill main transmission universal-joint spindles and test, compare ZQAL
9-4Improve 6 times of life-spans; Make main transmission universal-joint spindle copper shoe and experimentize on Tianjin steel rolling three φ of factory 650 bloomers, the life-span is compared ZQSn
6-6-3Improve 4 times.
Proving also that by above-mentioned experiment the present invention has high strength, high impact toughness, high rigidity and high-wearing feature, be adapted to severe environment such as metallurgical equipment especially with wear-resisting copper spare, is the wear-resisting copper spare material of a kind of ideal.
The present invention has carried out preliminary search, domestic and international patent, and domestic achievement still finds no with composition of the present invention identical, particularly is applicable to the document of the wearing piece of severe environment with polynary manganese xantal material.
Of the present invention practicing can be saved a large amount of bronze material and user's spare parts consumption is reduced, and improve plant factor and increase output, alleviate labor strength, will produce good economical, societal benefits.
Claims (2)
1, a kind of severe environment that particularly are applicable to: temperature height, dust are big, poor lubrication, load are big, impact bronze of multi-element with manganese and aluminium big, that serious wear is used like the wear-resisting copper spare of metallurgical equipment, composition is Mn:5～20%, Al:6～10%, Fe:2～5%, Ni:1～6%, Ti:0.5～3%, Re: trace, all the other are Cu.
2, polynary manganese xantal according to claim 1 is characterized in that improving for making its performance further adjust and obtain comprehensively, can carry out conventional thermal treatment to it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91106592 CN1023819C (en) | 1991-10-21 | 1991-10-21 | Bronze of multi-element with manganese and aluminium for wear-resistant parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91106592 CN1023819C (en) | 1991-10-21 | 1991-10-21 | Bronze of multi-element with manganese and aluminium for wear-resistant parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1061441A true CN1061441A (en) | 1992-05-27 |
| CN1023819C CN1023819C (en) | 1994-02-16 |
Family
ID=4907987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91106592 Expired - Fee Related CN1023819C (en) | 1991-10-21 | 1991-10-21 | Bronze of multi-element with manganese and aluminium for wear-resistant parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1023819C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295366C (en) * | 2003-12-16 | 2007-01-17 | 陈昭威 | Novel material for making electric locomotive pantograph slides |
| CN103555995A (en) * | 2013-11-20 | 2014-02-05 | 苏州天兼金属新材料有限公司 | Copper alloy bar with excellent heat resistance, and manufacturing method thereof |
| CN104614215A (en) * | 2015-01-30 | 2015-05-13 | 中国船舶重工集团公司第十二研究所 | High-manganese aluminum bronze standard substance and preparation method thereof |
| CN104928524A (en) * | 2015-03-24 | 2015-09-23 | 河南机电高等专科学校 | Cu-Al-Ti-Fe-Ni system copper alloy |
| CN105525134A (en) * | 2015-02-05 | 2016-04-27 | 比亚迪股份有限公司 | High-strength alloy and preparation method thereof |
| CN106916993A (en) * | 2015-12-28 | 2017-07-04 | 北京有色金属研究总院 | A kind of low-temperature high-strength high-ductility abrasion-proof aluminium bronze and preparation method thereof |
-
1991
- 1991-10-21 CN CN 91106592 patent/CN1023819C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295366C (en) * | 2003-12-16 | 2007-01-17 | 陈昭威 | Novel material for making electric locomotive pantograph slides |
| CN103555995A (en) * | 2013-11-20 | 2014-02-05 | 苏州天兼金属新材料有限公司 | Copper alloy bar with excellent heat resistance, and manufacturing method thereof |
| CN104614215A (en) * | 2015-01-30 | 2015-05-13 | 中国船舶重工集团公司第十二研究所 | High-manganese aluminum bronze standard substance and preparation method thereof |
| CN104614215B (en) * | 2015-01-30 | 2017-06-16 | 中国船舶重工集团公司第十二研究所 | High manganic aluminum bronze standard substance and preparation method thereof |
| CN105525134A (en) * | 2015-02-05 | 2016-04-27 | 比亚迪股份有限公司 | High-strength alloy and preparation method thereof |
| CN105525134B (en) * | 2015-02-05 | 2017-07-04 | 比亚迪股份有限公司 | A kind of high-strength alloy and preparation method thereof |
| CN104928524A (en) * | 2015-03-24 | 2015-09-23 | 河南机电高等专科学校 | Cu-Al-Ti-Fe-Ni system copper alloy |
| CN106916993A (en) * | 2015-12-28 | 2017-07-04 | 北京有色金属研究总院 | A kind of low-temperature high-strength high-ductility abrasion-proof aluminium bronze and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1023819C (en) | 1994-02-16 |
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