CN105238947A - Novel high-strength nanoscale silicon carbide copper base composite alloy material for heavy equipment parts - Google Patents
Novel high-strength nanoscale silicon carbide copper base composite alloy material for heavy equipment parts Download PDFInfo
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- CN105238947A CN105238947A CN201510731521.9A CN201510731521A CN105238947A CN 105238947 A CN105238947 A CN 105238947A CN 201510731521 A CN201510731521 A CN 201510731521A CN 105238947 A CN105238947 A CN 105238947A
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Abstract
The invention provides a novel high-strength nanoscale silicon carbide copper base composite alloy material for heavy equipment parts. The novel high-strength nanoscale silicon carbide copper base composite alloy material comprises, by volume, 7% to 11% of nanoscale silicon carbide and 89% to 93% of copper alloy (ZCuSn5Zn5Pb5). By the adoption of the novel high-strength nanoscale silicon carbide copper base composite alloy material for the heavy equipment parts, a nanoscale silicon carbide material is evenly distributed in an existing copper alloy (ZCuSn5Zn5Pb5) material through certain technical measures, so that the strength, the rigidity, the abrasion resistance and the corrosion resistance of the alloy material are higher than those of an existing copper alloy (ZCuSn5Zn5Pb5) material, the requirement of the abrasion resistant parts working at the high sliding speed of 6 m/s is met, and the application range of the existing alloy material in the heavy equipment mechanical parts is broadened.
Description
Technical field
The present invention relates to alloy material, particularly relate to a kind of weight equipment component high-strength nano level carbonization copper silicon base composite alloy novel material.
Background technology
Nanometer silicon carbide is a kind of by certain technical qualification, a kind of nano material that the basis of common carbofrax material is prepared.Nanometer silicon carbide has that purity is high, particle diameter is little, is evenly distributed, specific surface area is large, high surface, loose density are low, fabulous mechanics, calorifics, electricity and chemical property, namely have the features such as high rigidity, high-wearing feature and good self-lubricating, high thermoconductivity, low thermal coefficient of expansion and hot strength are large.
GB copper alloy (ZCuSn
5zn
5pb
5) be a kind of multiduty cast bronze material, it has good wear resistance and solidity to corrosion, easily processing, good casting property, resistance to air loss are good.Therefore, wear-resisting, the anti-corrosion part worked under being manufactured on higher load, medium sliding velocity (4m/s) is mainly used in, as bearing shell, lining, cylinder sleeve, piston, clutch coupling, pump gland, turbine etc.But, due to copper alloy ZCuSn
5zn
5pb
5the reason of material self, the application in weight equipment is subject to larger restriction.Only at guarantee copper alloy (ZCuSn
5zn
5pb
5) primary characteristic prerequisite under promote further intensity, the hardness of this material, and extend it and use birthday noodle, the requirement that this material is applied in weight equipment could be met.
Summary of the invention
For above-mentioned problems of the prior art, the object of the present invention is to provide a kind of weight equipment component high-strength nano level carbonization copper silicon base composite alloy novel material and preparation method thereof.
In order to realize foregoing invention object, the technical solution used in the present invention is as follows:
A kind of weight equipment component high-strength nano level carbonization copper silicon base composite alloy novel material, the composition of copper base composite alloy novel material comprises nanometer silicon carbide, copper alloy (ZCuSn
5zn
5pb
5), wherein, copper base composite alloy novel material each one-tenth be grouped into by volume per-cent and be respectively: nanometer silicon carbide: 7-11%, copper alloy (ZCuSn
5zn
5pb
5): 89-93%.
Further, copper base composite alloy novel material each one-tenth be grouped into by volume per-cent and be respectively: nanometer silicon carbide: 7.5-10.5%, copper alloy (ZCuSn
5zn
5pb
5): 89.5-92.5%.
Further, the particle diameter of nanometer silicon carbide is within the scope of 30 μm-200 μm.
Further, copper alloy (ZCuSn
5zn
5pb
5) casting be standard according to GB GB/T1176-2013.
A preparation method for above-mentioned weight equipment component high-strength nano level carbonization copper silicon base composite alloy novel material, comprises following steps:
Step 1: electrolytic copper, tin, zinc and lead are put into electric furnace melting according to part by weight;
Step 2: adopt the copper alloy (ZCuSn that Spike direct-reading spectrometer completes melting
5zn
5pb
5) liquid carries out composition detection;
Step 3: nano-grade silicon carbide powder is put into the copper alloy (ZCuSn be up to the standards
5zn
5pb
5) surface of liquid, open the shaking device of main frequency furnace and carry out stirring with Homogeneous phase mixing with graphite rod; Then increase the temperature to further and keep temperature and keep at maintenance temperature;
Step 4: insulation and casting, copper base composite alloy novel material melting completed insulation, adopts the mode of continuous casting that copper base composite alloy novel material is cast as copper base composite alloy novel material bar;
Step 5: the copper base composite alloy novel material bar cast is carried out surperficial Vehicle Processing process, and packs according to factory calibration.
Further, the smelting temperature in step 1 is 1000 DEG C-1100 DEG C, and smelting time is 5-6 hour.
Further, the maintenance temperature in step 3 is 1500 DEG C-1600 DEG C, and the hold-time is 15-20 minute.
Further, the soaking time in step 4 is 15-25 minute, and casting temp is 1000 DEG C-1100 DEG C.
Weight equipment component high-strength nano level carbonization copper silicon base composite alloy novel material of the present invention, is evenly distributed on existing copper alloy (ZCuSn by nm-class silicon carbide material by certain technique means
5zn
5pb
5) in material, utilize nanometer silicon carbide high rigidity, high-wearing feature and good self-lubricating and the large performance of hot strength, realize copper alloy (ZCuSn
5zn
5pb
5) the further lifting of performance of material.Weight equipment component high-strength nano level carbonization copper silicon base composite alloy novel material of the present invention has than existing copper alloy (ZCuSn
5zn
5pb
5) the higher Qiang Du ﹑ Ying Du ﹑ wear resistance of material and erosion resistance, and the wear part worked under meeting higher sliding velocity (6m/s), thus expand the range of application of original alloy material in weight equipment component of machine.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Weight equipment component high-strength nano level carbonization copper silicon base composite alloy novel material provided by the invention, the composition of copper base composite alloy novel material comprises nanometer silicon carbide, copper alloy (ZCuSn
5zn
5pb
5), wherein, copper base composite alloy novel material each one-tenth be grouped into by volume per-cent and be respectively: nanometer silicon carbide: 7-11%, copper alloy (ZCuSn
5zn
5pb
5): 89-93%.Nanometer silicon carbide is obtained by known method, and the particle diameter of nanometer silicon carbide is within the scope of 30 μm-200 μm.Copper alloy (ZCuSn
5zn
5pb
5) casting be standard according to GB GB/T1176-2013.
The preparation method of weight equipment component high-strength nano level carbonization copper silicon base composite alloy novel material provided by the invention, comprises following steps:
Step 1: according to standard and the copper alloy (ZCuSn of GB GB/T1176-2013
5zn
5pb
5) chemical composition require electrolytic copper, tin, zinc and lead to put into electric furnace melting according to part by weight, control copper alloy (ZCuSn according to the volume size of smelting furnace between smelting period
5zn
5pb
5) liquid volume is at less than 99% of melter size, smelting temperature is 1000 DEG C-1100 DEG C, and smelting time is 5-6 hour.
Step 2: adopt the copper alloy (ZCuSn that Spike direct-reading spectrometer completes melting
5zn
5pb
5) liquid carries out composition detection, to determine copper alloy (ZCuSn
5zn
5pb
5) chemical composition of liquid is within Standard scope.
Step 3: nano-grade silicon carbide powder is put into the copper alloy (ZCuSn be up to the standards
5zn
5pb
5) surface of liquid, open the shaking device of main frequency furnace and carry out stirring with Homogeneous phase mixing with graphite rod, increase the temperature to 1500 DEG C-1600 DEG C further and keep 15-20 minute.
Step 4: insulation and casting, copper base composite alloy novel material melting completed insulation 15-25 minute, adopt the mode of continuous casting that copper base composite alloy novel material is cast as copper base composite alloy novel material bar, casting temp is 1000 DEG C-1100 DEG C.
Step 5: the copper base composite alloy novel material bar cast is carried out surperficial Vehicle Processing process, and packs according to factory calibration.
Embodiment one:
By volume per-cent is: nanometer silicon carbide (SiC): 7%, copper alloy (ZCuSn
5zn
5pb
5): 93% prepares raw material.Wherein nanometer silicon carbide (SiC) is obtained by known method, and the particle diameter of nanometer silicon carbide (SiC) is 200 μm.Copper alloy (ZCuSn
5zn
5pb
5) casting be standard according to GB GB/T1176-2013.
First, according to standard and the copper alloy (ZCuSn of GB GB/T1176-2013
5zn
5pb
5) chemical composition require electrolytic copper, tin, zinc and lead to put into electric furnace melting according to part by weight, control copper alloy (ZCuSn according to the volume size of smelting furnace between smelting period
5zn
5pb
5) liquid volume is at less than 99% of melter size, smelting temperature is 1100 DEG C, and smelting time is 6 hours.
Then, the copper alloy (ZCuSn adopting Spike direct-reading spectrometer to complete melting
5zn
5pb
5) liquid carries out composition detection, to determine copper alloy (ZCuSn
5zn
5pb
5) chemical composition of liquid is within Standard scope.
Then, nanometer silicon carbide (SiC) powder is put into the copper alloy (ZCuSn be up to the standards
5zn
5pb
5) surface of liquid, open the shaking device of main frequency furnace and carry out stirring with Homogeneous phase mixing with graphite rod, increase the temperature to 1600 DEG C further and keep 20 minutes.
Then, insulation and casting, copper base alloy novel material melting completed is incubated 15 minutes, and adopt the mode of continuous casting that copper base alloy novel material is cast as copper base alloy novel material bar, casting temp is 1100 DEG C.
Finally, the copper base alloy novel material bar cast is carried out surperficial Vehicle Processing process, and packs according to factory calibration.
The Qiang Du ﹑ Ying Du ﹑ wear resistance of the oceanographic engineering high strength carbonizing titanium particle reinforced copper base Alloy Materials of preparation and the metric of erosion resistance are respectively than original copper alloy (ZCuSn
5zn
5pb
5) material improves 58%, 70%, 29% and 43%, the wear part worked under meeting higher sliding velocity (6m/s), thus expand original copper alloy (ZCuSn
5zn
5pb
5) range of application of material in weight equipment component of machine.
Embodiment two:
By volume per-cent is: nanometer silicon carbide (SiC): 7.5%, copper alloy (ZCuSn
5zn
5pb
5): 92.5% prepares raw material.Wherein nanometer silicon carbide (SiC) is obtained by known method, and the particle diameter of nanometer silicon carbide (SiC) is 160 μm.Copper alloy (ZCuSn
5zn
5pb
5) casting be standard according to GB GB/T1176-2013.
First, according to standard and the copper alloy (ZCuSn of GB GB/T1176-2013
5zn
5pb
5) chemical composition require electrolytic copper, tin, zinc and lead to put into electric furnace melting according to part by weight, control copper alloy (ZCuSn according to the volume size of smelting furnace between smelting period
5zn
5pb
5) liquid volume is at less than 99% of melter size, smelting temperature is 1080 DEG C, and smelting time is 5.7 hours.
Then, the copper alloy (ZCuSn adopting Spike direct-reading spectrometer to complete melting
5zn
5pb
5) liquid carries out composition detection, to determine copper alloy (ZCuSn
5zn
5pb
5) chemical composition of liquid is within Standard scope.
Then, nanometer silicon carbide (SiC) powder is put into the copper alloy (ZCuSn be up to the standards
5zn
5pb
5) surface of liquid, open the shaking device of main frequency furnace and carry out stirring with Homogeneous phase mixing with graphite rod, increase the temperature to 1580 DEG C further and keep 17 minutes.
Then, insulation and casting, copper base alloy novel material melting completed is incubated 22 minutes, and adopt the mode of continuous casting that copper base alloy novel material is cast as copper base alloy novel material bar, casting temp is 1060 DEG C.
Finally, the copper base alloy novel material bar cast is carried out surperficial Vehicle Processing process, and packs according to factory calibration.
The Qiang Du ﹑ Ying Du ﹑ wear resistance of the oceanographic engineering high strength carbonizing titanium particle reinforced copper base Alloy Materials of preparation and the metric of erosion resistance are respectively than original copper alloy (ZCuSn
5zn
5pb
5) material improves 67%, 75%, 33% and 43%, the wear part worked under meeting higher sliding velocity (6m/s), thus expand original copper alloy (ZCuSn
5zn
5pb
5) range of application of material in weight equipment component of machine.
Embodiment three:
By volume per-cent is: nanometer silicon carbide (SiC): 9%, copper alloy (ZCuSn
5zn
5pb
5): 91% prepares raw material.Wherein nanometer silicon carbide (SiC) is obtained by known method, and the particle diameter of nanometer silicon carbide (SiC) is 130 μm.Copper alloy (ZCuSn
5zn
5pb
5) casting be standard according to GB GB/T1176-2013.
First, according to standard and the copper alloy (ZCuSn of GB GB/T1176-2013
5zn
5pb
5) chemical composition require electrolytic copper, tin, zinc and lead to put into electric furnace melting according to part by weight, control copper alloy (ZCuSn according to the volume size of smelting furnace between smelting period
5zn
5pb
5) liquid volume is at less than 99% of melter size, smelting temperature is 1060 DEG C, and smelting time is 5.5 hours.
Then, the copper alloy (ZCuSn adopting Spike direct-reading spectrometer to complete melting
5zn
5pb
5) liquid carries out composition detection, to determine copper alloy (ZCuSn
5zn
5pb
5) chemical composition of liquid is within Standard scope.
Then, nanometer silicon carbide (SiC) powder is put into the copper alloy (ZCuSn be up to the standards
5zn
5pb
5) surface of liquid, open the shaking device of main frequency furnace and carry out stirring with Homogeneous phase mixing with graphite rod, increase the temperature to 1550 DEG C further and keep 16 minutes.
Then, insulation and casting, copper base alloy novel material melting completed is incubated 20 minutes, and adopt the mode of continuous casting that copper base alloy novel material is cast as copper base alloy novel material bar, casting temp is 1050 DEG C.
Finally, the copper base alloy novel material bar cast is carried out surperficial Vehicle Processing process, and packs according to factory calibration.
The Qiang Du ﹑ Ying Du ﹑ wear resistance of the oceanographic engineering high strength carbonizing titanium particle reinforced copper base Alloy Materials of preparation and the metric of erosion resistance are respectively than original copper alloy (ZCuSn
5zn
5pb
5) material improves 66%, 75%, 33% and 45%, the wear part worked under meeting higher sliding velocity (6m/s), thus expand original copper alloy (ZCuSn
5zn
5pb
5) range of application of material in weight equipment component of machine.
Embodiment four:
By volume per-cent is: nanometer silicon carbide (SiC): 10.5%, copper alloy (ZCuSn
5zn
5pb
5): 89.5% prepares raw material.Wherein nanometer silicon carbide (SiC) is obtained by known method, and the particle diameter of nanometer silicon carbide (SiC) is 50 μm.Copper alloy (ZCuSn
5zn
5pb
5) casting be standard according to GB GB/T1176-2013.
First, according to standard and the copper alloy (ZCuSn of GB GB/T1176-2013
5zn
5pb
5) chemical composition require electrolytic copper, tin, zinc and lead to put into electric furnace melting according to part by weight, control copper alloy (ZCuSn according to the volume size of smelting furnace between smelting period
5zn
5pb
5) liquid volume is at less than 99% of melter size, smelting temperature is 1030 DEG C, and smelting time is 5.3 hours.
Then, the copper alloy (ZCuSn adopting Spike direct-reading spectrometer to complete melting
5zn
5pb
5) liquid carries out composition detection, to determine copper alloy (ZCuSn
5zn
5pb
5) chemical composition of liquid is within Standard scope.
Then, nanometer silicon carbide (SiC) powder is put into the copper alloy (ZCuSn be up to the standards
5zn
5pb
5) surface of liquid, open the shaking device of main frequency furnace and carry out stirring with Homogeneous phase mixing with graphite rod, increase the temperature to 1520 DEG C further and keep 17 minutes.
Then, insulation and casting, copper base alloy novel material melting completed is incubated 17 minutes, and adopt the mode of continuous casting that copper base alloy novel material is cast as copper base alloy novel material bar, casting temp is 1070 DEG C;
Finally, the copper base alloy novel material bar cast is carried out surperficial Vehicle Processing process, and packs according to factory calibration.
The Qiang Du ﹑ Ying Du ﹑ wear resistance of the oceanographic engineering high strength carbonizing titanium particle reinforced copper base Alloy Materials of preparation and the metric of erosion resistance are respectively than original copper alloy (ZCuSn
5zn
5pb
5) material improves 60%, 69%, 30% and 41%, the wear part worked under meeting higher sliding velocity (6m/s), thus expand original copper alloy (ZCuSn
5zn
5pb
5) range of application of material in weight equipment component of machine.
Embodiment five:
By volume per-cent is: nanometer silicon carbide (SiC): 11%, copper alloy (ZCuSn
5zn
5pb
5): 89% prepares raw material.Wherein nanometer silicon carbide (SiC) is obtained by known method, and the particle diameter of nanometer silicon carbide (SiC) is 30 μm.Copper alloy (ZCuSn
5zn
5pb
5) casting be standard according to GB GB/T1176-2013.
First, according to standard and the copper alloy (ZCuSn of GB GB/T1176-2013
5zn
5pb
5) chemical composition require electrolytic copper, tin, zinc and lead to put into electric furnace melting according to part by weight, control copper alloy (ZCuSn according to the volume size of smelting furnace between smelting period
5zn
5pb
5) liquid volume is at less than 99% of melter size, smelting temperature is 1000 DEG C, and smelting time is 5 hours.
Then, the copper alloy (ZCuSn adopting Spike direct-reading spectrometer to complete melting
5zn
5pb
5) liquid carries out composition detection, to determine copper alloy (ZCuSn
5zn
5pb
5) chemical composition of liquid is within Standard scope.
Then, nanometer silicon carbide (SiC) powder is put into the copper alloy (ZCuSn be up to the standards
5zn
5pb
5) surface of liquid, open the shaking device of main frequency furnace and carry out stirring with Homogeneous phase mixing with graphite rod, increase the temperature to 1500 DEG C further and keep 15 minutes.
Then, insulation and casting, copper base alloy novel material melting completed is incubated 25 minutes, and adopt the mode of continuous casting that copper base alloy novel material is cast as copper base alloy novel material bar, casting temp is 1000 DEG C.
Finally, the copper base alloy novel material bar cast is carried out surperficial Vehicle Processing process, and packs according to factory calibration.
The Qiang Du ﹑ Ying Du ﹑ wear resistance of the oceanographic engineering high strength carbonizing titanium particle reinforced copper base Alloy Materials of preparation and the metric of erosion resistance are respectively than original copper alloy (ZCuSn
5zn
5pb
5) material improves 62%, 71%, 31% and 40%, the wear part worked under meeting higher sliding velocity (6m/s), thus expand original copper alloy (ZCuSn
5zn
5pb
5) range of application of material in weight equipment component of machine.
The above embodiment only have expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (8)
1. a weight equipment component high-strength nano level carbonization copper silicon base composite alloy novel material, it is characterized in that, the composition of described copper base composite alloy novel material comprises nanometer silicon carbide, copper alloy ZCuSn
5zn
5pb
5, wherein, described copper base composite alloy novel material each one-tenth be grouped into by volume per-cent and be respectively: nanometer silicon carbide: 7-11%, copper alloy ZCuSn
5zn
5pb
5: 89-93%.
2. weight equipment component high-strength nano level carbonization copper silicon base composite alloy novel material according to claim 1, it is characterized in that, described copper base composite alloy novel material each one-tenth be grouped into by volume per-cent and be respectively: nanometer silicon carbide: 7.5-10.5%, copper alloy ZCuSn
5zn
5pb
5: 89.5-92.5%.
3. weight equipment component high-strength nano level carbonization copper silicon base composite alloy novel material according to claim 1, it is characterized in that, the particle diameter of described nanometer silicon carbide is within the scope of 30 μm-200 μm.
4. weight equipment component high-strength nano level carbonization copper silicon base composite alloy novel material according to claim 1, is characterized in that, described copper alloy ZCuSn
5zn
5pb
5casting be standard according to GB GB/T1176-2013.
5. the preparation method for high-strength nano level carbonization copper silicon base composite alloy novel material of the weight equipment component according to any one of the claims 1-4, is characterized in that, comprise following steps:
Step 1: electrolytic copper, tin, zinc and lead are put into electric furnace melting according to part by weight;
Step 2: adopt the copper alloy ZCuSn that Spike direct-reading spectrometer completes melting
5zn
5pb
5liquid carries out composition detection;
Step 3: nano-grade silicon carbide powder is put into the copper alloy ZCuSn be up to the standards
5zn
5pb
5the surface of liquid, opens the shaking device of main frequency furnace and carries out stirring with Homogeneous phase mixing with graphite rod; Then increase the temperature to further and keep temperature and keep at described maintenance temperature;
Step 4: insulation and casting, copper base composite alloy novel material melting completed insulation, adopts the mode of continuous casting that described copper base composite alloy novel material is cast as copper base composite alloy novel material bar;
Step 5: the copper base composite alloy novel material bar cast is carried out surperficial Vehicle Processing process, and packs according to factory calibration.
6. the preparation method of weight equipment component high-strength nano level carbonization copper silicon base composite alloy novel material according to claim 5, it is characterized in that, the smelting temperature in described step 1 is 1000 DEG C-1100 DEG C, and smelting time is 5-6 hour.
7. the preparation method of weight equipment component high-strength nano level carbonization copper silicon base composite alloy novel material according to claim 5, it is characterized in that, the described maintenance temperature in described step 3 is 1500 DEG C-1600 DEG C, and the hold-time is 15-20 minute.
8. the preparation method of weight equipment component high-strength nano level carbonization copper silicon base composite alloy novel material according to claim 5, it is characterized in that, the soaking time in described step 4 is 15-25 minute, and casting temp is 1000 DEG C-1100 DEG C.
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Cited By (1)
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