CN103981396B - A kind of high damping Mn-Ni base noiseless alloy and preparation method thereof - Google Patents
A kind of high damping Mn-Ni base noiseless alloy and preparation method thereof Download PDFInfo
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- CN103981396B CN103981396B CN201410193026.2A CN201410193026A CN103981396B CN 103981396 B CN103981396 B CN 103981396B CN 201410193026 A CN201410193026 A CN 201410193026A CN 103981396 B CN103981396 B CN 103981396B
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Abstract
The invention discloses a kind of high damping Mn-Ni base noiseless alloy and preparation method thereof.Mn-Ni base noiseless alloy is made up of following component: Mn:30-40%, Co5-10%, Al:2-6%, Zn:2-6%, and surplus is Ni.Raw material is put into vacuum induction furnace, vacuumizes rear argon shield, fusing, adds thermosetting alloy melt and is incubated homogenizing; Pouring temperature is 1550 DEG C, and solidify rear die sinking and take out foundry goods, thermal treatment, method is: be incubated also stove at 1000 DEG C and be as cold as room temperature.Mn-Ni base noiseless alloy still has excellent damping property when temperature 580 DEG C, after casting and thermal treatment, and yield strength & gt; 400MPa, tensile strength & gt; 700MPa, unit elongation (~ 12%), ratio damping capacity (SDC) the & gt of material; 32%, there is excellent damping property and anti-acoustic capability in the temperature range of broadness.
Description
Technical field
The present invention relates to a kind of alloy material, specifically, relate to a kind of high damping Mn-Ni base noiseless alloy and preparation method thereof.
Background technology
Seriously affect along with the vibration developed of modernization industry and noise the stability and reliability that machinery equipment runs, constrain aerospace to a certain extent, further developing of the fields such as national defense transportation.Vibration and noise reducing has become key project problem urgently to be resolved hurrily in multiple field.Solve vibration and the key problem of noise is searching high damping material, by vibration and noise suppression at the place that rises.High damping alloy material irreversibly can change mechanical vibration into heat energy by internal mechanism.Select suitable high-strength and high damping alloy to be directly used in focus and the corresponding structural part of noisemaker manufacture, there is effectiveness in vibration suppression obvious, the features such as cost is low, and usage range is wide.
The Typical Representative of twin type damping alloy is Mn-Cu alloy, and the feature of such alloy is that decay is large, the features such as mechanical property is good.But it is poor that the feature of this metalloid is temperature profile, fade performance can only be maintained to about 100 degree.Serious limits the further use of such material in high temperature vibration damping field.For the noiseless alloy of ferromagnetic type, its working temperature is generally less than 380 degree.Be badly in need of the occasion of vibration damping at some high-temperature fields, such as engine and there is the environment of high friction and wear gear mesh, be badly in need of the novel alloy material at high temperature still with excellent damping property.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of high damping Mn-Ni base noiseless alloy is provided
And preparation method thereof.
To achieve these goals, the present invention adopts following technical scheme:
A kind of Mn-Ni base noiseless alloy, is made up of the component of following weight percentage:
Mn:30-40%, Co5-10%, Al:2-6%, Zn:2-6%, Ni are surplus.
The preparation method of above-mentioned Mn-Ni base noiseless alloy, the raw material prepared is comprised the steps: to put into vacuum induction furnace, material is carried out induction melting by the mode vacuumizing rear employing argon shield, and heating temperatures forms alloy melt to 1500-1600 DEG C and is incubated 10 minutes and realizes composition homogenizing; Pouring temperature is 1550 DEG C, and after by the time solidifying completely, foundry goods is taken out in die sinking; Heat-treat foundry goods, heat treating method is: 1000 DEG C insulation 1 hour and stove be as cold as room temperature.
Compared with prior art, the present invention has following beneficial effect: Mn-Ni base noiseless alloy of the present invention still has excellent damping property when temperatures as high 580 DEG C, and adopts conventional vacuum induction melting furnace and argon shield to carry out melting.After casting and thermal treatment, yield strength >400MPa, tensile strength >700MPa, unit elongation ~ 12%, ratio damping capacity (SDC) >32% of material, has excellent damping property and anti-acoustic capability in temperature (<580 degree) scope of broadness.Preparation method's technique of the present invention is simple, and production cost is low and can be suitable for large batch of suitability for industrialized production.
Embodiment
embodiment 1:
A kind of Mn-Ni base noiseless alloy, the composition of this material is Mn:40%, Ni43%, Co8%, Al:5%, Zn:4% according to weight percent.The melting of this material and castmethod are: the raw material prepared is put into vacuum induction furnace, and material is carried out induction melting by the mode vacuumizing rear employing argon shield.Heating temperatures forms alloy melt to 1600 DEG C and is incubated 10 minutes and realizes composition homogenizing.Pouring temperature is 1550 DEG C, and after by the time solidifying completely, foundry goods is taken out in die sinking, then heat-treats.The thermal treatment process of material is: 1100 DEG C insulation 1 hour and stove be as cold as room temperature.The yield strength of resulting materials is 420MPa, and tensile strength is 760MPa, and unit elongation is 11%, the ratio damping capacity (SDC) ~ 37% of material.
embodiment 2:
A kind of Mn-Ni base noiseless alloy, the composition of this material is Mn:35%, Ni51% according to weight percent:, Co6%, Al:5%, Zn:3%.The melting of this material and castmethod are: the raw material prepared is put into vacuum induction furnace, and material is carried out induction melting by the mode vacuumizing rear employing argon shield.Heating temperatures forms alloy melt to 1600 DEG C and is incubated 10 minutes and realizes composition homogenizing.Pouring temperature is 1550 DEG C, and after by the time solidifying completely, foundry goods is taken out in die sinking, then heat-treats.The thermal treatment process of material is: 1100 DEG C insulation 1 hour and stove be as cold as room temperature.The yield strength of resulting materials is 410MPa, and tensile strength is 730MPa, and unit elongation is 12%, the ratio damping capacity (SDC) ~ 39% of material.
Claims (2)
1. a Mn-Ni base noiseless alloy, is characterized in that being made up of the component of following weight percentage:
Mn:30-40%, Co5-10%, Al:2-6%, Zn:2-6%, surplus is Ni.
2. the preparation method of Mn-Ni base noiseless alloy described in claim 1, it is characterized in that comprising the steps: that vacuum induction furnace put into by the raw material by preparing, material is carried out induction melting by the mode vacuumizing rear employing argon shield, and heating temperatures forms alloy melt to 1500-1600 DEG C and is incubated 10 minutes and realizes homogenization of composition; Pouring temperature is 1550 DEG C, and after by the time solidifying completely, foundry goods is taken out in die sinking; Heat-treat foundry goods, heat treating method is: 1000 DEG C insulation 1 hour and stove be as cold as room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410193026.2A CN103981396B (en) | 2014-05-09 | 2014-05-09 | A kind of high damping Mn-Ni base noiseless alloy and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410193026.2A CN103981396B (en) | 2014-05-09 | 2014-05-09 | A kind of high damping Mn-Ni base noiseless alloy and preparation method thereof |
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| Publication Number | Publication Date |
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| CN103981396A CN103981396A (en) | 2014-08-13 |
| CN103981396B true CN103981396B (en) | 2016-03-23 |
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| CN108109797B (en) * | 2017-12-28 | 2019-10-01 | 河北工业大学 | A kind of NiMn system magnetic shape memory alloy and preparation method thereof containing Zn |
| CN109082562A (en) * | 2018-09-22 | 2018-12-25 | 广州宇智科技有限公司 | A kind of effective liquid phase spinodal decomposition type casting nickel alloy of refrigeration heat transfer |
| CN115948686B (en) * | 2022-12-31 | 2024-03-12 | 无锡日月合金材料有限公司 | Preparation method of high-manganese high-temperature vacuum alloy |
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| US5634990A (en) * | 1993-10-22 | 1997-06-03 | Woojin Osk Corporation | Fe-Mn vibration damping alloy steel and a method for making the same |
| JP2849698B2 (en) * | 1994-02-28 | 1999-01-20 | 科学技術庁金属材料技術研究所長 | Manganese-based vibration-damping alloy and its manufacturing method |
| JP2005121207A (en) * | 2003-09-24 | 2005-05-12 | Bridgestone Corp | Vibration damping alloy member, and vibration damping rubber, floor vibration damping device, tire and steel cord using the same |
| JP2006009142A (en) * | 2004-05-27 | 2006-01-12 | Bridgestone Corp | Vibration deadening type enclosure |
| CN100582270C (en) * | 2008-08-29 | 2010-01-20 | 西北有色金属研究院 | High damping titan alloy of multicomponent alloy |
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