CN101386934A - Abrasion-proof multiple zinc-base alloy - Google Patents
Abrasion-proof multiple zinc-base alloy Download PDFInfo
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- CN101386934A CN101386934A CNA2008101563944A CN200810156394A CN101386934A CN 101386934 A CN101386934 A CN 101386934A CN A2008101563944 A CNA2008101563944 A CN A2008101563944A CN 200810156394 A CN200810156394 A CN 200810156394A CN 101386934 A CN101386934 A CN 101386934A
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Abstract
The invention relates to a novel abrasion resistant multielement zinc-base alloy, which is characterized in that the compositions of the alloy are 2.5 to 3.5 percent of silicon, 0.1 to 0.27 percent of rhenium, 0.1 to 0.2 percent of Ni-Ti (50 percent of nickel and 50 percent of titanium), 0.1 to 0.2 percent of chromium, 27 t o29 percent of aluminum, 2.0 to 2.5 percent of copper, 0.01 to 0.02 percent of magnesium and the balance being zinc. By addition of alloyed elements when the alloy is smelted, the abrasion resistance of a zinc-aluminum alloy is improved, and the alloy can be widely applied to production and practice.
Description
Technical field
The present invention relates to the aluminium zinc field, refer in particular to a kind of abrasion-proof multiple zinc-base alloy that improves wear resisting property.
Background technology
Aluminium zinc (ZA 27 alloy) becomes the substitute products of wear-resistant copper alloy, aluminium alloy, as the application on drive disk assembly and automobile component because of advantages such as its wear resistance are good, cost is low, moulding is easy.(Shang Quanyi bends golden rosy clouds to document [1] .ZA27 alloy Study on Friction and Wear such as Mei Ying, Zhengzhou Textile Polytechnical College's journal, 1997,8 (2): 1-6) reported that when load was increased to a certain degree, the wear resisting property of ZA 27 alloy sharply descended.Document [2] (is executed the faithful and upright person, WuBing Yao, Lin Pinghua etc. the friction and wear behavior of high alumina zinc base alloy and wear mechanism, the tribology journal, 1994,14 (2): 134-144.) think through after the system testing, the PV value allowable of ZA 27 alloy is 5.07 (MPa.m)/s under the oil lubrication sliding friction condition, along with the increase of load, the abrasion loss of alloy sharply rises, and serious oxidative phenomena appears in specimen surface.Therefore, further improve the wear resistance of ZA 27 alloy, enlarge its use range and have crucial meaning.Document [3] (Guo Wei, Ceng Jianmin. micro-La, Sb, Ti and Mn be to the influence of ZA 27 alloy mechanical property, Guangxi University's journal, 2007,27 (3): 192-195.) studied micro-La, Sb, Ti and Mn influence to the ZA 27 alloy mechanical property, find that four kinds of elements add when an amount of all refinement alloy microscopic structure in various degree, tensile strength and unit elongation are improved, and wear resisting property also increases.When proposing a kind of melting, the present invention improves the novel method of zinc base alloy wear resisting property by adding alloying element.
Summary of the invention
The present invention improves the wear resisting property of zinc base alloy by add alloying element when alloy melting, can instruct its application aspect producing and putting into practice widely.
The present invention proposes a kind of abrasion-proof multiple zinc-base alloy, it is characterized in that: alloying constituent is Si:2.5～3.5%, RE:0.1～0.27%, Ni-Ti (Ni50%, Ti50%): 0.1～0.2%, Cr:0.1～0.2%, Al:27～29%, Cu:2.0～2.5%, Mg:0.01～0.02%, surplus is Zn.
Embodiment
Embodiment 1:
Be selected to and be divided into Si:2.5%, RE:0.1%, Ni-Ti are 0.1%, Cr:0.1%, and Al:27%, Cu:2.0%, Mg:0.01%, surplus is the polynary aluminium zinc of Zn.Melting technology is: add aluminium ingot, aluminum bronze master alloy, aluminium chromium hardener, zinc ingot metal and an amount of Si, Ni-Ti alloy in the induction melting electric furnace earlier, until completely melted, fully stir, add an amount of RE, insulation 5min makes each element homogenizing in the time of 700～750 ℃, then is pressed into magnesium rod to reduce burn out rate with bell jar.Zinc alloy degassing refining agent with 0.2% carries out the degasification refining, skims after leaving standstill 10min, and the wearing and tearing sample is made in cast when treating that temperature is 570～590 ℃ again.Wearing test is carried out on homemade MM-2000 type pin disc type trier, adopts the rolling resistance mode, and last sample rotating speed is 180r/m, and following sample rotating speed is 200r/m.Before the experiment sample being processed as ф 40 * ф 16 * 10mm annulus, is 40Cr steel (HRC51-53) to mill part material, is of a size of the annulus of ф 40 * ф 16 * 10mm.Abrasion loss is with of poor quality measurement the before and after the sample wearing and tearing, and the MA110 electronic analytical balance is adopted in weighing, and precision is 0.0001g.Friction type is the oil lubrication friction, and used lubricating oil is 30
#Machine oil.Before on-test, carry out the pre-running-in of 30min earlier, measure original weight with the acetone ultrasonic cleaning after running-in finishes.Under the load of 300N, 600N, 900N, carry out the wearing test of 5h then respectively, after wearing test finishes, with sample acetone ultrasonic cleaning 30min, measure the weight of sample again, and calculate the abrasion loss (wear weight loss) of sample, survey the mechanical property of alloy simultaneously, the abrasion loss and the mechanical property that record see Table 1.
Embodiment 2:
Be selected to and be divided into Si:3.0%, RE:0.2%, Ni-Ti are 0.15%, Cr:0.15%, and Al:28%, Cu:2.3%, Mg:0.015%, surplus is the polynary aluminium zinc of Zn.Melting technology and wear test are surveyed the mechanical property of alloy simultaneously with embodiment 1, and the abrasion loss and the mechanical property that record see Table 1.
Embodiment 3:
Be selected to and be divided into Si:3.5%, RE:0.27%, Ni-Ti is 0.2%, Cr:0.2%, Al:29%, Cu:2.5%, Mg:0.02%, surplus is the polynary aluminium zinc of Zn, melting technology and wear test are with embodiment 1, survey the mechanical property of alloy simultaneously, the abrasion loss and the mechanical property that record see Table 1.
Comparative Examples:
Choose aluminium zinc (ZA27), its composition is Al:28%, Cu:2.3%, and Mg:0.015%, surplus is Zn.Melting technology is: add aluminium ingot, aluminum bronze master alloy, zinc ingot metal earlier in the induction melting electric furnace, until completely melted, fully stir, insulation 5min makes each element homogenizing in the time of 700～750 ℃, then is pressed into magnesium rod to reduce burn out rate with bell jar.Zinc alloy degassing refining agent with 0.2% carries out the degasification refining, skims after leaving standstill 10min, and the identical wearing and tearing sample with embodiment 1 is made in cast when treating that temperature is 570～590 ℃ again.Wear test is surveyed the mechanical property of alloy simultaneously with embodiment 1, and the abrasion loss and the mechanical property that record see Table 1.
Table 1 frictional wear experiment data and mechanical performance data
Claims (1)
1, the present invention relates to a kind of abrasion-proof multiple zinc-base alloy, it is characterized in that: alloying constituent is Si:2.5～3.5%, RE:0.1～0.27%, Ni-Ti (Ni50%, Ti50%): 0.1～0.2%, Cr:0.1～0.2%, Al:27～29%, Cu:2.0～2.5%, Mg:0.01～0.02%, surplus is Zn.。
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008101563944A CN101386934A (en) | 2008-10-09 | 2008-10-09 | Abrasion-proof multiple zinc-base alloy |
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| CNA2008101563944A CN101386934A (en) | 2008-10-09 | 2008-10-09 | Abrasion-proof multiple zinc-base alloy |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102776414A (en) * | 2012-08-22 | 2012-11-14 | 镇江忆诺唯记忆合金有限公司 | Multielement zinc-aluminium base corrosion-resistant alloy |
| CN102994806A (en) * | 2012-12-27 | 2013-03-27 | 河南理工大学 | High-alumina wear-resistant zinc-based alloy |
| CN104232996A (en) * | 2013-06-08 | 2014-12-24 | 镇江忆诺唯记忆合金有限公司 | Novel zinc-aluminium alloy capable of increasing friction and wear performance |
| CN104232998A (en) * | 2013-06-12 | 2014-12-24 | 镇江忆诺唯记忆合金有限公司 | Process for significantly improving microstructure of zinc-aluminium alloy |
| CN105568058A (en) * | 2015-12-29 | 2016-05-11 | 常熟市虞菱机械有限责任公司 | Production method of wear-resisting check valve |
-
2008
- 2008-10-09 CN CNA2008101563944A patent/CN101386934A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102776414A (en) * | 2012-08-22 | 2012-11-14 | 镇江忆诺唯记忆合金有限公司 | Multielement zinc-aluminium base corrosion-resistant alloy |
| CN102994806A (en) * | 2012-12-27 | 2013-03-27 | 河南理工大学 | High-alumina wear-resistant zinc-based alloy |
| CN102994806B (en) * | 2012-12-27 | 2015-04-15 | 河南理工大学 | High-alumina wear-resistant zinc-based alloy |
| CN104232996A (en) * | 2013-06-08 | 2014-12-24 | 镇江忆诺唯记忆合金有限公司 | Novel zinc-aluminium alloy capable of increasing friction and wear performance |
| CN104232998A (en) * | 2013-06-12 | 2014-12-24 | 镇江忆诺唯记忆合金有限公司 | Process for significantly improving microstructure of zinc-aluminium alloy |
| CN105568058A (en) * | 2015-12-29 | 2016-05-11 | 常熟市虞菱机械有限责任公司 | Production method of wear-resisting check valve |
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Open date: 20090318 |