CN110343902A - A kind of copper zinc memorial alloy and preparation method thereof - Google Patents

A kind of copper zinc memorial alloy and preparation method thereof Download PDF

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Publication number
CN110343902A
CN110343902A CN201910542969.4A CN201910542969A CN110343902A CN 110343902 A CN110343902 A CN 110343902A CN 201910542969 A CN201910542969 A CN 201910542969A CN 110343902 A CN110343902 A CN 110343902A
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alloy
added
slab
cold rolling
ormolu
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CN201910542969.4A
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郑相军
陈育通
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Yan'an Speed Source Energy Saving Technology Co Ltd
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Yan'an Speed Source Energy Saving Technology Co Ltd
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Priority to CN201910542969.4A priority Critical patent/CN110343902A/en
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Abstract

A kind of copper zinc memorial alloy disclosed by the invention, includes following component according to mass percent: Zn 0.2%~0.8%, Ca 0.05%~0.5%, B 0.005%~0.01%, remaining is Cu and impurity, and the mass percent summation of the above component is 100%.The invention also discloses a kind of preparation methods of ormolu, using tough cathode, pure zinc, Cu-Ca intermediate alloy and Cu-B intermediate alloy as raw material, tough cathode is added in antivacuum induction melting furnace, heating is after fine copper fusing, be added pure zinc it is to be melted after, add Cu-B intermediate alloy fusing, be added Cu-Ca intermediate alloy fusing, ice crystal mixed fluoride calcium is finally added, its fusing is made uniformly to obtain alloy melt;Then, by alloy melt D.C.casting at slab, then by slab carry out Double Milling face;Slab is subjected to cold-rolling deformation again, and is annealed;Finally cold rolling is annealed again, obtains copper zinc memorial alloy.

Description

A kind of copper zinc memorial alloy and preparation method thereof
Technical field
The invention belongs to nonferrous metal new material technical fields, and in particular to a kind of copper zinc memorial alloy and its preparation side Method.
Background technique
Ormolu have good mechanical performance and good corrosion resistance, conduction and heating conduction, and have than Therefore lower price and beautiful appearance in electronics telecommunication, household electrical appliances, drink Hydraulic Projects, aerospace, hardware decoration, machine It applies than wide in the fields such as tool, instrument.
The shape memory effect of ormolu is poor at present, and anti-scaling property and antiseptic property are bad, cannot fully meet market Demand.Therefore, the performance for improving ormolu has very important significance.
Summary of the invention
The object of the present invention is to provide a kind of copper zinc memorial alloy, the performance for solving existing ormolu is not able to satisfy city The problem of field demand.
It is a further object of the present invention to provide a kind of preparation methods of copper zinc memorial alloy.
The technical scheme adopted by the invention is that a kind of copper zinc memorial alloy, includes following component according to mass percent: It is 0.05%~0.5%, B is 0.005%~0.01% that Zn, which is 0.2%~0.8%, Ca, remaining is Cu and inevitably miscellaneous The mass percent summation of matter, the above component is 100%.
Another technical solution of the invention is a kind of preparation method of ormolu, and specific preparation process includes following step It is rapid:
Step 1, using tough cathode, pure zinc, Cu-Ca intermediate alloy and Cu-B intermediate alloy as raw material, all raw materials are dried It is dry, tough cathode is added in antivacuum induction melting furnace, calcining charcoal is added as coverture, is warming up to 1200 DEG C~1250 DEG C fine copper is melted, then control furnace temperature at 1100 DEG C~1120 DEG C, pure zinc is added, so that pure zinc melts, control furnace temperature exists 1020 DEG C~1060 DEG C, the fusing of Cu-B intermediate alloy is added, continues to control furnace temperature at 1020 DEG C~1060 DEG C, Cu-Ca is added Intermediate alloy is melted, and is finally added ice crystal mixed fluoride calcium and is pulled residue out after stirring makes its fusing uniformly and obtain CuZnCaB alloy melt;
Step 2, the CuZnCaB alloy melt that step 1 obtains is casting continuously to form slab in semi-continuous casting unit upper half, then will Slab carries out Double Milling face, removes surface defect;
Step 3, slab step 2 obtained carries out cold-rolling deformation, then by the slab after cold rolling under ammonia atmosphere into Row annealing;
Step 4, slab step 3 obtained carries out cold rolling again, obtains cold rolling plate, finally again by cold rolling plate Material is annealed under ammonia atmosphere again, obtains copper zinc memorial alloy.
Other features of the invention also reside in,
The condition of D.C.casting in step 2: casting temperature is 1100 DEG C~1150 DEG C, and casting speed is 4.0m/h~6.5m/ H, cooling water pressure are 0.04MPa~0.08MPa.
The deflection of every cold rolling a time is 20%~30% in step 3, and total deformation is 70%~85%.
Annealing conditions in step 3: temperature is 630 DEG C~720 DEG C, and the time is 0.5h~2h.
The deflection of cold rolling is 10%~20% in step 4.
Annealing conditions in step 4: temperature is 720 DEG C~750 DEG C, and the time is 0.5h~2h.
The ormolu being prepared includes following component according to mass percent: Zn is that 0.2%~0.8%, Ca is 0.05%~0.5%, B are 0.005%~0.01%, remaining is Cu and inevitable impurity, the quality percentage of the above component It is 100% than summation.
The invention has the advantages that a kind of copper zinc memorial alloy and preparation method thereof, the ormolu being prepared is logical Addition calcium and micro boron element are crossed, is achieved the purpose that better than traditional copper zinc performance, compared with existing ormolu, shape note Recall that effect is more preferable, anti-scaling property is higher, anticorrosion ability is more preferable, can be applied to the fields such as industrial, civilian, petroleum and petrochemical industry.
Detailed description of the invention
Fig. 1 is the E-I curve for the copper zinc memorial alloy that embodiment 1 is prepared;
Fig. 2 is the S- for the copper zinc memorial alloy that embodiment 1 is prepared | I-1| fitting a straight line figure;
Fig. 3 is the ln ((R for the copper zinc memorial alloy that embodiment 1 is prepared1+ S)/2) p- | Δ E1| fitting a straight line figure;
Fig. 4 is the ln ((R for the copper zinc memorial alloy that embodiment 1 is prepared1- S)/2) p- | Δ E1| fitting a straight line figure.
Specific embodiment
The present invention is described in detail With reference to embodiment.
A kind of copper zinc memorial alloy of the invention, includes following component according to mass percent: Zn is 0.2%~0.8%, Ca is that 0.05%~0.5%, B is 0.005%~0.01%, remaining is Cu and inevitable impurity, the quality of the above component Percentage summation is 100%.
A kind of preparation method of ormolu of the invention, specific preparation process include the following steps:
Step 1, using tough cathode, pure zinc, Cu-Ca intermediate alloy and Cu-B intermediate alloy as raw material, all raw materials are dried It is dry, tough cathode is added in antivacuum induction melting furnace, calcining charcoal is added as coverture, is warming up to 1200 DEG C~1250 DEG C fine copper is melted, then control furnace temperature at 1100 DEG C~1120 DEG C, pure zinc is added, so that pure zinc melts, control furnace temperature exists 1020 DEG C~1060 DEG C, the fusing of Cu-B intermediate alloy is added, continues to control furnace temperature at 1020 DEG C~1060 DEG C, Cu-Ca is added Intermediate alloy is melted, and is finally added ice crystal mixed fluoride calcium and is pulled residue out after stirring makes its fusing uniformly and obtain CuZnCaB alloy melt;
Step 2, the CuZnCaB alloy melt that step 1 obtains is casting continuously to form slab in semi-continuous casting unit upper half, then will Slab carries out Double Milling face, removes surface defect;
The condition of D.C.casting in step 2: casting temperature is 1100 DEG C~1150 DEG C, and casting speed is 4.0m/h~6.5m/ H, cooling water pressure are 0.04MPa~0.08MPa.
Step 3, slab step 2 obtained carries out cold-rolling deformation, then by the slab after cold rolling under ammonia atmosphere into Row annealing;
The deflection of every cold rolling a time is 20%~30% in step 3, and total deformation is 70%~85%.
Annealing conditions in step 3: temperature is 630 DEG C~720 DEG C, and the time is 0.5h~2h.
Step 4, slab step 3 obtained carries out cold rolling again, obtains cold rolling plate, finally again by cold rolling plate Material is annealed under ammonia atmosphere again, obtains copper zinc memorial alloy.
The deflection of cold rolling is 10%~20% in step 4.
Annealing conditions in step 4: temperature is 720 DEG C~750 DEG C, and the time is 0.5h~2h.
Embodiment 1
A kind of copper zinc memorial alloy, includes following component according to mass percent: Zn 0.2%, Ca 0.1%, B are 0.005%, remaining is Cu and inevitable impurity, and the mass percent summation of the above component is 100%.
Specific preparation process includes the following steps:
Step 1, using tough cathode, pure zinc, Cu-Ca intermediate alloy and Cu-B intermediate alloy as raw material, all raw materials are dried It is dry, tough cathode is added in antivacuum induction melting furnace, calcining charcoal is added as coverture, be warming up to 1200 DEG C make it is pure Then copper fusing controls furnace temperature at 1100 DEG C, pure zinc is added, so that pure zinc melts, control furnace temperature at 1020 DEG C, add Cu-B Intermediate alloy fusing continues to control furnace temperature at 1020 DEG C, Cu-Ca intermediate alloy is added, is melted, finally adds ice crystal Mixed fluoride calcium pulls residue out and obtains CuZnCaB alloy melt after stirring makes its fusing uniformly;
Step 2, the CuZnCaB alloy melt that step 1 obtains is casting continuously to form slab in semi-continuous casting unit upper half, cast Temperature is 1100 DEG C, casting speed 4.0m/h, cooling water pressure 0.04MPa, then slab is carried out Double Milling face, removes table Planar defect;
Step 3, slab step 2 obtained carries out cold-rolling deformation, and the deflection of every cold rolling a time is 20%, total deformation Amount is 70%, and then by the slab after cold rolling under ammonia atmosphere, temperature is 630 DEG C and carries out annealing 1h;
Step 4, slab step 3 obtained carries out cold rolling again, and deflection 10% obtains cold rolling plate, most Afterwards again by cold rolling plate again under ammonia atmosphere, temperature is 720 DEG C and carries out annealing 1h, obtains copper zinc memorial alloy.
The copper zinc memorial alloy that embodiment 1 is prepared into carries out electro-chemical test, and calculates the corrosion speed on its surface Rate, the E-I curve of electro-chemical test is as shown in Figure 1, using corrosion current (Icorr), corrosion current is smaller, the corrosion resistance of material Can be better, this is because corrosion current is as caused by the dissolution of material;
S is calculated according to E-I curve, and S is right | I-1| mapping, as shown in Fig. 2, the linear equation of fitting is I-1= 0.04758*S+0.0049.Therefore, it is known that Icorr=0.04758mA, R2=0.98979;
By ln ((R1+ S)/2) right | Δ E1| mapping, as shown in figure 3, gained straight slope is 1/ βc, the linear equation of fitting For ln ((R1+ S)/2)=0.01612* Δ E1- 0.03755, R2=0.98877, so 1/ βc=0.01612;
By ln ((R1- S)/2) p- | Δ E1| mapping, as shown in figure 4, gained straight slope is 1/ βa, the straight line side of fitting Journey is ln ((R1- S)/2)=- 0.03361 | Δ E1|+0.05458, R2=0.99635, so 1/ βa=0.03361;
According to above-mentioned experimental data, the corrosion rate for the copper zinc memorial alloy that embodiment 1 is prepared into, corrosion electricity are calculated Current density Icorr=0.04758mA/2.66cm2=17.89uA/cm2Then corrosion rate Ke=0.0117*Icorr=0.209mm/ year。
Embodiment 2
A kind of copper zinc memorial alloy, includes following component according to mass percent: Zn 0.8%, Ca 0.05%, B are 0.008%, remaining is Cu and inevitable impurity, and the mass percent summation of the above component is 100%.
Specific preparation process includes the following steps:
Step 1, using tough cathode, pure zinc, Cu-Ca intermediate alloy and Cu-B intermediate alloy as raw material, all raw materials are dried It is dry, tough cathode is added in antivacuum induction melting furnace, calcining charcoal is added as coverture, be warming up to 1250 DEG C make it is pure Then copper fusing controls furnace temperature at 1120 DEG C, pure zinc is added, so that pure zinc melts, control furnace temperature at 1060 DEG C, add Cu-B Intermediate alloy fusing continues to control furnace temperature at 1060 DEG C, Cu-Ca intermediate alloy is added, is melted, finally adds ice crystal Mixed fluoride calcium pulls residue out and obtains CuZnCaB alloy melt after stirring makes its fusing uniformly;
Step 2, the CuZnCaB alloy melt that step 1 obtains is casting continuously to form slab in semi-continuous casting unit upper half, cast Temperature is 1150 DEG C, casting speed 6.5m/h, cooling water pressure 0.08MPa, then slab is carried out Double Milling face, removes table Planar defect;
Step 3, slab step 2 obtained carries out cold-rolling deformation, and the deflection of every cold rolling a time is 30%, total deformation Amount is 85%, and then by the slab after cold rolling under ammonia atmosphere, temperature is 630 DEG C and carries out annealing 1h;
Step 4, slab step 3 obtained carries out cold rolling again, and deflection 20% obtains cold rolling plate, most Afterwards again by cold rolling plate again under ammonia atmosphere, temperature is 630 DEG C and carries out annealing 1h, obtains copper zinc memorial alloy.
Embodiment 3
A kind of copper zinc memorial alloy, includes following component according to mass percent: Zn 0.5%, Ca 0.3%, B are 0.1%, remaining is Cu and inevitable impurity, and the mass percent summation of the above component is 100%.
Specific preparation process includes the following steps:
Step 1, using tough cathode, pure zinc, Cu-Ca intermediate alloy and Cu-B intermediate alloy as raw material, all raw materials are dried It is dry, tough cathode is added in antivacuum induction melting furnace, calcining charcoal is added as coverture, be warming up to 1220 DEG C make it is pure Then copper fusing controls furnace temperature at 1110 DEG C, pure zinc is added, so that pure zinc melts, control furnace temperature at 1040 DEG C, add Cu-B Intermediate alloy fusing continues to control furnace temperature at 1040 DEG C, Cu-Ca intermediate alloy is added, is melted, finally adds ice crystal Mixed fluoride calcium pulls residue out and obtains CuZnCaB alloy melt after stirring makes its fusing uniformly;
Step 2, the CuZnCaB alloy melt that step 1 obtains is casting continuously to form slab in semi-continuous casting unit upper half, cast Temperature is 1120 DEG C, casting speed 5m/h, cooling water pressure 0.06MPa, then slab is carried out Double Milling face, removes surface Defect;
Step 3, slab step 2 obtained carries out cold-rolling deformation, and the deflection of every cold rolling a time is 25%, total deformation Amount is 80%, and then by the slab after cold rolling under ammonia atmosphere, temperature is 700 DEG C and carries out annealing 2h;
Step 4, slab step 3 obtained carries out cold rolling again, and deflection 15% obtains cold rolling plate, most Afterwards again by cold rolling plate again under ammonia atmosphere, temperature is 700 DEG C and carries out annealing 2h, obtains copper zinc memorial alloy.
Embodiment 4
A kind of copper zinc memorial alloy, includes following component according to mass percent: Zn 0.7%, Ca 0.1%, B are 0.007%, remaining is Cu and inevitable impurity, and the mass percent summation of the above component is 100%.
Specific preparation process includes the following steps:
Step 1, using tough cathode, pure zinc, Cu-Ca intermediate alloy and Cu-B intermediate alloy as raw material, all raw materials are dried It is dry, tough cathode is added in antivacuum induction melting furnace, calcining charcoal is added as coverture, be warming up to 1240 DEG C make it is pure Then copper fusing controls furnace temperature at 1115 DEG C, pure zinc is added, so that pure zinc melts, control furnace temperature at 1050 DEG C, add Cu-B Intermediate alloy fusing continues to control furnace temperature at 1050 DEG C, Cu-Ca intermediate alloy is added, is melted, finally adds ice crystal Mixed fluoride calcium pulls residue out and obtains CuZnCaB alloy melt after stirring makes its fusing uniformly;
Step 2, the CuZnCaB alloy melt that step 1 obtains is casting continuously to form slab in semi-continuous casting unit upper half, cast Temperature is 1130 DEG C, casting speed 6m/h, cooling water pressure 0.07MPa, then slab is carried out Double Milling face, removes surface Defect;
Step 3, slab step 2 obtained carries out cold-rolling deformation, and the deflection of every cold rolling a time is 30%, total deformation Amount is 75%, and then by the slab after cold rolling under ammonia atmosphere, temperature is 700 DEG C and carries out annealing 1h;
Step 4, slab step 3 obtained carries out cold rolling again, and deflection 12% obtains cold rolling plate, most Afterwards again by cold rolling plate again under ammonia atmosphere, temperature is 740 DEG C and carries out annealing 1h, obtains copper zinc memorial alloy.
Embodiment 5
A kind of copper zinc memorial alloy, includes following component according to mass percent: Zn 0.3%, Ca 0.4%, B are 0.01%, remaining is Cu and inevitable impurity, and the mass percent summation of the above component is 100%.
Specific preparation process includes the following steps:
Step 1, using tough cathode, pure zinc, Cu-Ca intermediate alloy and Cu-B intermediate alloy as raw material, all raw materials are dried It is dry, tough cathode is added in antivacuum induction melting furnace, calcining charcoal is added as coverture, be warming up to 1230 DEG C make it is pure Then copper fusing controls furnace temperature at 1105 DEG C, pure zinc is added, so that pure zinc melts, control furnace temperature at 1050 DEG C, add Cu-B Intermediate alloy fusing continues to control furnace temperature at 1050 DEG C, Cu-Ca intermediate alloy is added, is melted, finally adds ice crystal Mixed fluoride calcium pulls residue out and obtains CuZnCaB alloy melt after stirring makes its fusing uniformly;
Step 2, the CuZnCaB alloy melt that step 1 obtains is casting continuously to form slab in semi-continuous casting unit upper half, cast Temperature is 1130 DEG C, casting speed 6m/h, cooling water pressure 0.07MPa, then slab is carried out Double Milling face, removes surface Defect;
Step 3, slab step 2 obtained carries out cold-rolling deformation, and the deflection of every cold rolling a time is 30%, total deformation Amount is 75%, and then by the slab after cold rolling under ammonia atmosphere, temperature is 700 DEG C and carries out annealing 1h;
Step 4, slab step 3 obtained carries out cold rolling again, and deflection 12% obtains cold rolling plate, most Afterwards again by cold rolling plate again under ammonia atmosphere, temperature is 740 DEG C and carries out annealing 1h, obtains copper zinc memorial alloy.

Claims (8)

1. a kind of copper zinc memorial alloy, which is characterized in that according to mass percent include following component: Zn is 0.2%~ 0.8%, Ca are that 0.05%~0.5%, B is 0.005%~0.01%, remaining is Cu and inevitable impurity, the above component Mass percent summation be 100%.
2. a kind of preparation method of ormolu, which is characterized in that specific preparation process includes the following steps:
Step 1, using tough cathode, pure zinc, Cu-Ca intermediate alloy and Cu-B intermediate alloy as raw material, by all raw material stovings, Tough cathode is added in antivacuum induction melting furnace, calcining charcoal is added as coverture, being warming up to 1200 DEG C~1250 DEG C makes Fine copper fusing is obtained, furnace temperature is then controlled at 1100 DEG C~1120 DEG C, pure zinc is added, so that pure zinc melts, controls furnace temperature 1020 DEG C~1060 DEG C, the fusing of Cu-B intermediate alloy is added, continues to control furnace temperature at 1020 DEG C~1060 DEG C, is added among Cu-Ca Alloy is melted, and is finally added ice crystal mixed fluoride calcium and is pulled residue out after stirring makes its fusing uniformly and obtain CuZnCaB alloy melt;
Step 2, CuZnCaB alloy melt that step 1 obtains is casting continuously to form slab in semi-continuous casting unit upper half, then by slab Double Milling face is carried out, surface defect is removed;
Step 3, slab step 2 obtained carries out cold-rolling deformation, then moves back the slab after cold rolling under ammonia atmosphere Fire;
Step 4, slab step 3 obtained carries out cold rolling again, obtains cold rolling plate, finally again by cold rolling plate again It is secondary to anneal under ammonia atmosphere, obtain copper zinc memorial alloy.
3. a kind of preparation method of ormolu as claimed in claim 2, which is characterized in that D.C.casting in the step 2 Condition: casting temperature be 1100 DEG C~1150 DEG C, casting speed be 4.0m/h~6.5m/h, cooling water pressure be 0.04MPa~ 0.08MPa。
4. a kind of preparation method of ormolu as claimed in claim 2, which is characterized in that every cold rolling one in the step 3 The deflection of passage is 20%~30%, and total deformation is 70%~85%.
5. a kind of preparation method of ormolu as claimed in claim 2, which is characterized in that annealing conditions in the step 3: Temperature is 630 DEG C~720 DEG C, and the time is 0.5h~2h.
6. a kind of preparation method of ormolu as claimed in claim 2, which is characterized in that cold rolling in the step 4 Deflection is 10%~20%.
7. a kind of preparation method of ormolu as claimed in claim 2, which is characterized in that annealing conditions in the step 4: Temperature is 720 DEG C~750 DEG C, and the time is 0.5h~2h.
8. a kind of preparation method of ormolu as claimed in claim 2, which is characterized in that the ormolu being prepared, Include following component according to mass percent: Zn be 0.2%~0.8%, Ca be 0.05%~0.5%, B be 0.005%~ 0.01%, remaining is Cu and inevitable impurity, and the mass percent summation of the above component is 100%.
CN201910542969.4A 2019-06-21 2019-06-21 A kind of copper zinc memorial alloy and preparation method thereof Pending CN110343902A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104375694A (en) * 2013-08-13 2015-02-25 大同特殊钢株式会社 Material for cu alloy target, cu alloy target, cu alloy film and touch panel
CN105543533A (en) * 2015-12-14 2016-05-04 中南大学 High-strength high-conductivity Cu-Mg alloy and preparation method thereof
CN110284018A (en) * 2019-07-22 2019-09-27 中南大学 A kind of production method of the high elastic Vulcan metal of environmental protection and its Strip

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104375694A (en) * 2013-08-13 2015-02-25 大同特殊钢株式会社 Material for cu alloy target, cu alloy target, cu alloy film and touch panel
CN105543533A (en) * 2015-12-14 2016-05-04 中南大学 High-strength high-conductivity Cu-Mg alloy and preparation method thereof
CN110284018A (en) * 2019-07-22 2019-09-27 中南大学 A kind of production method of the high elastic Vulcan metal of environmental protection and its Strip

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