CN105219987A - A kind of high strength TiB2 strengthens Cu-base composites and preparation method thereof - Google Patents
A kind of high strength TiB2 strengthens Cu-base composites and preparation method thereof Download PDFInfo
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- CN105219987A CN105219987A CN201510726276.2A CN201510726276A CN105219987A CN 105219987 A CN105219987 A CN 105219987A CN 201510726276 A CN201510726276 A CN 201510726276A CN 105219987 A CN105219987 A CN 105219987A
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Abstract
The present invention relates to a kind of high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment and strengthen Cu-base composites and preparation method thereof, this high strength TiB2 strengthens Cu-base composites and is made up of the component of following volume percent: the high purity TiB2 12-15% that purity is greater than 96%, copper alloy ZCuSn
10pb
585-88%.High strength TiB2 for the preparation of high temperature resistant oceanographic engineering weight handling equipment strengthens Cu-base composites through steps such as stirring, melting, castings.The features such as the high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment provided by the invention strengthens Cu-base composites, utilizes TiB2 high rigidity, corrosion-resistant, chemically stable good, and high-temperature oxidation resistance is good, make copper alloy ZCuSn
10pb
5in guarantee, it originally corrosion proofly improves its tensile strength, hardness and high temperature resistant degree simultaneously, thus this material can prolonged application in the seawater in corrosion resistant hoisting machinery.
Description
Technical field
The present invention relates to a kind of copper-base alloy composite material and preparation method thereof, particularly relate to a kind of high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment and strengthen Cu-base composites.
Background technology
Castmethod is according to the standby copper alloy ZCuSn of the standard system of GB GB/T1176-2013
10pb
5a kind of multiduty Tin-lead bronze material, because it has good erosion resistance, particularly high to the erosion resistance of dilute sulphuric acid, hydrochloric acid and lipid acid, be therefore mainly used in the lining as manufactured anti-corrosion, acidproof accessory and crusher, bearing shell etc.But due to its tensile strength and the lower (tensile strength >=245MPa of hardness performance, hardness >=70HBW), seriously limit the application of this material in the oceanographic engineering of erosion resistance, present stage only has in oceanographic engineering engineering platform building and is used, and needs corrosion resistant hoisting machinery aspect to be difficult to application in the seawater.
TiB2 a kind ofly has the grey of hexagonal crystallographic texture or the powder of grey black or crystalline material; Fusing point is 2980 DEG C, and density is 4.52g/cm
3.It has very high hardness, and oxidation resistance temperature can reach 1000 DEG C in atmosphere, stable in HCl (hydrochloric acid) and HF (hydrofluoric acid), has excellent thermostability, antioxidant property and conductivity; Be mainly used in conducting ceramic material, ceramic cutter and mould, composite ceramic material, the reinforcer of the metallic substance such as aluminium electrolytic cell cathode coated material and aluminium, iron, copper.
To sum up, utilize TiB2 high rigidity, corrosion-resistant, chemically stable good, the advantage that high-temperature oxidation resistance is good, overcomes copper alloy ZCuSn
10pb
5the shortcoming of the lower and non-refractory of tensile strength, hardness performance, by TiB2 and copper alloy ZCuSn
10pb
5be prepared into matrix material at guarantee copper alloy ZCuSn
10pb
5improve tensile strength, hardness and high thermal resistance while original corrosion resistance nature, thus make this high strength TiB2 strengthen Cu-base composites can be applied in seawater in corrosion resistant hoisting machinery.
Summary of the invention
The object of the invention is to, by improving TiB2 and copper alloy ZCuSn
10pb
5between volume proportion and preparation condition, provide a kind of and effectively improve copper alloy ZCuSn
10pb
5the high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment of tensile strength, hardness and high thermal resistance strengthens Cu-base composites and preparation method thereof.
For achieving the above object, technical scheme provided by the present invention is:
High strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment strengthens a Cu-base composites, is made up of: the high purity TiB2 12-15% that purity is greater than 96%, copper alloy ZCuSn the component of following volume percent
10pb
585-88%.
Preferably, the high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment of the present invention strengthens Cu-base composites, is made up of: the high purity TiB2 12% that purity is greater than 96%, copper alloy ZCuSn the component of following volume percent
10pb
588%.
Preferably, the high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment of the present invention strengthens Cu-base composites, is made up of: the high purity TiB2 14% that purity is greater than 96%, copper alloy ZCuSn the component of following volume percent
10pb
586%.
Preferably, the high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment of the present invention strengthens Cu-base composites, is made up of: the high purity TiB2 15% that purity is greater than 96%, copper alloy ZCuSn the component of following volume percent
10pb
585%.
Further, described copper alloy ZCuSn
10pb
5be made up of the component of following mass percent: tin slab 9.0-11.0%, lead pig 4.0-6.0%, zinc≤1.0%, impurity≤1.0%, all the other are copper.
High strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment strengthens a preparation method for Cu-base composites, has following steps:
1) copper alloy ZCuSn is prepared
10pb
5: by electrolytic copper, tin slab, lead pig, zinc put into electric furnace melting according to above-mentioned part by weight, and in melting, copper alloy liquid volume is less than 90% of electric furnace volume; Smelting temperature is 1100-1200 DEG C, and the time is 3-3.5h;
2) the copper alloy liquid of Spike direct-reading spectrometer to preparation is used to carry out composition detection, to determine that its chemical constitution is within above-mentioned scope;
3) high purity TiB2 purity being greater than 96% by volume per-cent is 12-15% and put into above-mentioned copper alloy ZCuSn
10pb
5the surface of liquid, opens the shaking device of main frequency furnace and stirs with graphite rod simultaneously, makes the two Homogeneous phase mixing; Further rising furnace temperature is to 1300-1400 DEG C and keep 30-35min;
4) the high strength TiB2 completed is strengthened Cu-base composites to be incubated in electric furnace, the time is 35-40min; Adopt the mode of continuous casting this high strength TiB2 to be strengthened Cu-base composites afterwards and be cast as high strength TiB2 enhancing copper base composition board rod plate, casting temp is 1100-1150 DEG C;
5) the high strength TiB2 after having cast is strengthened copper base composition board bar and carry out surperficial Vehicle Processing process, and pack according to factory calibration.
Further, in step 3, the volume percent of described high purity TiB2 is 12%.
Further, in step 3, the volume percent of described high purity TiB2 is 14%.
Further, in step 3, the volume percent of described high purity TiB2 is 15%.
Adopt technique scheme, beneficial effect of the present invention has:
1. high purity Titanium diboride material is evenly distributed on copper alloy ZCuSn by above-mentioned technique means by the present invention
10pb
5in material, utilize TiB2 high rigidity, the feature such as corrosion-resistant, chemically stable good, and high-temperature oxidation resistance is good, compensate for copper alloy ZCuSn
10pb
5the tensile strength of material is low, hardness is low and the shortcoming such as non-refractory, realizes copper alloy ZCuSn
10pb
5the further lifting of the tensile strength of material, hardness and resistance to elevated temperatures.
2. the high strength TiB2 that the present invention obtains strengthens Cu-base composites, by changing TiB2 and copper alloy ZCuSn
10pb
5volume ratio, effectively can improve final high strength TiB2 and strengthen the tensile strength of Cu-base composites, hardness and high thermal resistance.The tensile strength that high strength TiB2 strengthens the parts of Cu-base composites manufacture is increased to 500MPa by 245MPa, hardness is increased to 140HBW by 70HBW, the top temperature that can bear is 600 DEG C, thus make this high strength TiB2 strengthen Cu-base composites can prolonged application in the seawater in corrosion resistant hoisting machinery.
Accompanying drawing explanation
Fig. 1 is the schema that the high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment of the present invention strengthens the method for Cu-base composites.
Embodiment
Strengthen Cu-base composites and preparation method thereof below in conjunction with drawings and Examples to the high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment provided by the invention to be described further, but and unrestricted range of application of the present invention.
embodiment 1
The high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment of the embodiment of the present invention 1 strengthens Cu-base composites, is made up of: the high purity TiB2 12% that purity is greater than 96%, copper alloy ZCuSn the component of following volume percent
10pb
588%, wherein copper alloy ZCuSn
10pb
5be made up of the component of following mass percent: tin slab 9.0-11.0%, lead pig 4.0-6.0%, zinc≤1.0%, impurity≤1.0%, all the other are copper.
The high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment of the embodiment of the present invention 1 strengthens the preparation method of Cu-base composites, has following steps (see Fig. 1):
1) copper alloy ZCuSn is prepared
10pb
5: by electrolytic copper, tin slab, lead pig, zinc put into electric furnace melting according to above-mentioned part by weight, and in melting, copper alloy liquid volume is less than 90% of electric furnace volume; Smelting temperature is 1100 DEG C, and the time is 3h;
2) the copper alloy liquid of Spike direct-reading spectrometer to preparation is used to carry out composition detection, to determine that its chemical constitution is within above-mentioned scope;
3) high purity TiB2 purity being greater than 96% by volume per-cent be 12% with put into above-mentioned copper alloy ZCuSn
10pb
5the surface of liquid, opens the shaking device of main frequency furnace and stirs with graphite rod simultaneously, makes the two Homogeneous phase mixing; Further rising furnace temperature to 1300 DEG C also keeps 30min;
4) the high strength TiB2 completed is strengthened Cu-base composites to be incubated in electric furnace, the time is 35min; Adopt the mode of continuous casting this high strength TiB2 to be strengthened Cu-base composites afterwards and be cast as high strength TiB2 enhancing copper base composition board rod plate, casting temp is 1100 DEG C;
5) the high strength TiB2 after having cast is strengthened copper base composition board bar and carry out surperficial Vehicle Processing process, and pack according to factory calibration.
embodiment 2
The high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment of the embodiment of the present invention 2 strengthens Cu-base composites, is made up of: the high purity TiB2 14% that purity is greater than 96%, copper alloy ZCuSn the component of following volume percent
10pb
586%, wherein copper alloy ZCuSn
10pb
5be made up of the component of following mass percent: tin slab 9.0-11.0%, lead pig 4.0-6.0%, zinc≤1.0%, impurity≤1.0%, all the other are copper.
The high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment of the embodiment of the present invention 2 strengthens the preparation method of Cu-base composites, has following steps (see Fig. 1):
1) copper alloy ZCuSn is prepared
10pb
5: by electrolytic copper, tin slab, lead pig, zinc put into electric furnace melting according to above-mentioned part by weight, and in melting, copper alloy liquid volume is less than 90% of electric furnace volume; Smelting temperature is 1150 DEG C, and the time is 3.25h;
2) the copper alloy liquid of Spike direct-reading spectrometer to preparation is used to carry out composition detection, to determine that its chemical constitution is within above-mentioned scope;
3) high purity TiB2 purity being greater than 96% by volume per-cent be 14% with put into above-mentioned copper alloy ZCuSn
10pb
5the surface of liquid, opens the shaking device of main frequency furnace and stirs with graphite rod simultaneously, makes the two Homogeneous phase mixing; Further rising furnace temperature to 1350 DEG C also keeps 33min;
4) the high strength TiB2 completed is strengthened Cu-base composites to be incubated in electric furnace, the time is 38min; Adopt the mode of continuous casting this high strength TiB2 to be strengthened Cu-base composites afterwards and be cast as high strength TiB2 enhancing copper base composition board rod plate, casting temp is 1125 DEG C;
5) the high strength TiB2 after having cast is strengthened copper base composition board bar and carry out surperficial Vehicle Processing process, and pack according to factory calibration.
embodiment 3
The high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment of the embodiment of the present invention 3 strengthens Cu-base composites, is made up of: the high purity TiB2 15% that purity is greater than 96%, copper alloy ZCuSn the component of following volume percent
10pb
585%, wherein copper alloy ZCuSn
10pb
5be made up of the component of following mass percent: tin slab 9.0-11.0%, lead pig 4.0-6.0%, zinc≤1.0%, impurity≤1.0%, all the other are copper.
The high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment of the embodiment of the present invention 3 strengthens the preparation method of Cu-base composites, has following steps (see Fig. 1):
1) copper alloy ZCuSn is prepared
10pb
5: by electrolytic copper, tin slab, lead pig, zinc put into electric furnace melting according to above-mentioned part by weight, and in melting, copper alloy liquid volume is less than 90% of electric furnace volume; Smelting temperature is 1200 DEG C, and the time is 3.5h;
2) the copper alloy liquid of Spike direct-reading spectrometer to preparation is used to carry out composition detection, to determine that its chemical constitution is within above-mentioned scope;
3) high purity TiB2 purity being greater than 96% by volume per-cent be 15% with put into above-mentioned copper alloy ZCuSn
10pb
5the surface of liquid, opens the shaking device of main frequency furnace and stirs with graphite rod simultaneously, makes the two Homogeneous phase mixing; Further rising furnace temperature to 1400 DEG C also keeps 35min;
4) the high strength TiB2 completed is strengthened Cu-base composites to be incubated in electric furnace, the time is 40min; Adopt the mode of continuous casting this high strength TiB2 to be strengthened Cu-base composites afterwards and be cast as high strength TiB2 enhancing copper base composition board rod plate, casting temp is 1150 DEG C;
5) the high strength TiB2 after having cast is strengthened copper base composition board bar and carry out surperficial Vehicle Processing process, and pack according to factory calibration.
comparative example 1
Add the Cu alloy material of traditional element cadmium, titanium, composed of the following components: the cadmium accounting for alloy material gross weight 4%, account for the titanium of alloy material gross weight 8%, account for the copper alloy ZCuSn of alloy material gross weight 88%
10pb
5.By traditional thermal treatment process, namely repeatedly to anneal, tempering and the thermal treatment process such as to quench, prepare above-mentioned Cu alloy material.
comparative example 2
Add the Cu alloy material of traditional element cadmium, titanium, composed of the following components: the cadmium accounting for alloy material gross weight 7%, account for the titanium of alloy material gross weight 8%, account for the copper alloy ZCuSn of alloy material gross weight 85%
10pb
5.By traditional thermal treatment process, namely repeatedly to anneal, tempering and the thermal treatment process such as to quench, prepare above-mentioned Cu alloy material.
The hardness (metal hardness tester) of the parts that the traditional copper alloy material that the high strength TiB2 prepared by above-described embodiment strengthens Cu-base composites and above-mentioned comparative example 1 and 2 manufactures, tensile strength (being tested by omnipotent mechanics machine), high temperature resistant temperature and material percentage elongation are as shown in the table:
Table 1
Data according to above-mentioned table 1 can be found out, add the hardness of the parts of the manufacture of the high strength TiB2 enhancing Cu-base composites after high purity TiB2, tensile strength, high temperature resistant temperature and material percentage elongation and obtain significant raising.
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 (9)
1. the high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment strengthens a Cu-base composites, it is characterized in that, is made up of the component of following volume percent: the high purity TiB2 12-15% that purity is greater than 96%, copper alloy ZCuSn
10pb
585-88%.
2. the high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment according to claim 1 strengthens Cu-base composites, it is characterized in that, be made up of the component of following volume percent: the high purity TiB2 12% that purity is greater than 96%, copper alloy ZCuSn
10pb
588%.
3. the high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment according to claim 1 strengthens Cu-base composites, it is characterized in that, be made up of the component of following volume percent: the high purity TiB2 14% that purity is greater than 96%, copper alloy ZCuSn
10pb
586%.
4. the high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment according to claim 1 strengthens Cu-base composites, it is characterized in that, be made up of the component of following volume percent: the high purity TiB2 15% that purity is greater than 96%, copper alloy ZCuSn
10pb
585%.
5. the high strength TiB2 for high temperature resistant oceanographic engineering weight handling equipment as claimed in one of claims 1-4 strengthens Cu-base composites, it is characterized in that, described copper alloy ZCuSn10Pb5 is made up of the component of following mass percent: tin slab 9.0-11.0%, lead pig 4.0-6.0%, zinc≤1.0%, impurity≤1.0%, all the other are copper.
6., for a preparation method for the high strength TiB2 enhancing Cu-base composites of high temperature resistant oceanographic engineering weight handling equipment, it is characterized in that there are following steps:
1) copper alloy ZCuSn is prepared
10pb
5: by electrolytic copper, tin slab, lead pig, zinc put into electric furnace melting according to part by weight according to claim 5, and in melting, copper alloy liquid volume is less than 90% of electric furnace volume; Smelting temperature is 1100-1200 DEG C, and the time is 3-3.5h;
2) the copper alloy liquid of Spike direct-reading spectrometer to preparation is used to carry out composition detection, to determine that its chemical constitution is within scope according to claim 5;
3) high purity TiB2 purity being greater than 96% by volume per-cent is 12-15% and put into above-mentioned copper alloy ZCuSn
10pb
5the surface of liquid, opens the shaking device of main frequency furnace and stirs with graphite rod simultaneously, makes the two Homogeneous phase mixing; Further rising furnace temperature is to 1300-1400 DEG C and keep 30-35min;
4) the high strength TiB2 completed is strengthened Cu-base composites to be incubated in electric furnace, the time is 35-40min; Adopt the mode of continuous casting this high strength TiB2 to be strengthened Cu-base composites afterwards and be cast as high strength TiB2 enhancing copper base composition board rod plate, casting temp is 1100-1150 DEG C:
5) the high strength TiB2 after having cast is strengthened copper base composition board bar and carry out surperficial Vehicle Processing process, and pack according to factory calibration.
7. preparation method according to claim 6, is characterized in that, in step 3, the volume percent of described high purity TiB2 is 12%.
8. preparation method according to claim 6, is characterized in that, in step 3, the volume percent of described high purity TiB2 is 14%.
9. preparation method according to claim 6, is characterized in that, in step 3, the volume percent of described high purity TiB2 is 15%.
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CN106048286A (en) * | 2016-06-22 | 2016-10-26 | 东北大学 | Method for dispersing high-specific-gravity-difference components in copper-based melt |
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