Method for preparing C70250 nickel-silicon bronze strip by using horizontal continuous casting blank

A bronze strip, horizontal technology, applied in the direction of manufacturing tools, heat treatment equipment, furnace types, etc., can solve the problem of weakening the conductivity of C70250 nickel silicon bronze strip, and achieve the effect of good conductivity and small anisotropy

Inactive Publication Date: 2021-05-14
国工恒昌新材料沧州有限公司
5 Cites 0 Cited by

AI-Extracted Technical Summary

Problems solved by technology

[0004] The strength and electrical conductivity of the existing C70250 nickel-silicon bronze strip cannot achieve both, that is, after the strength of the C70250 nickel-silicon bronze strip is increased, the electrical con...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Abstract

The invention belongs to the field of non-ferrous metal processing, particularly discloses a method for preparing a C70250 nickel-silicon bronze strip by using a horizontal continuous casting blank, and provides the following scheme: the C70250 nickel-silicon bronze strip comprises the following raw materials in parts by weight: 95 to 105 parts of copper, 0.3 to 0.9 parts of chromium carbide, 3 to 4 parts of fluorine, 0.10 to 0.15 part of nickel, 0.01 to 0.15 part of silicon, 0.4 to 0.9 part of calcium, 2 to 3 parts of boron, 0.2 to 0.4 parts of chromium, 0.01 to 0.10 parts of zirconium and 0.01 to 1.00 part of rare earth; and hot working is conducted, specifically, a horizontal slab continuous casting machine is prepared, hot working is conducted on the cast ingot at the temperature of 700-980 DEG C, the cast ingot is placed in the horizontal slab continuous casting machine, and the reduction of the cross section area of hot working of the cast ingot is controlled to be not lower than 75%. The minimization of the yield strength anisotropy of the present invention results in an extended and stable service life of a workpiece processed from the C70250 nickel silicon bronze strip.

Application Domain

Technology Topic

Examples

  • Experimental program(5)

Example Embodiment

[0028]Example one
[0029]A method of preparing a C70250 nickel silicone bronze strip with a horizontal coated casting blank, comprising the steps of:
[0030]S1, including a weight of the following weight: 95 parts of the following weight: 95 copper, 0.3 parts of chromium carbon carbonide, 0.0 parts of nickel, 0.4 parts of silicon, 2 copper boron, zirconium 0.01 parts and rare earths; 95 ~ 105 parts of copper, 0.3 ~ 0.9 parts of chromium carbon carbon, 3 to 4 parts, nickel, 0.01 to 0.15 parts of silicon, 0.4 to 0.9 copium, 2 to 3 boron 0.2 to 0.4 parts of chromium, zirconium 0.01 to 0.10 parts and rare earths, and in combination with the above form, the C70250 nickel silicone bronze strip has a small anisotropy, and the intensity of yield strength The minimization causes the workpiece processed by the C70250 nickel silicon bronze strip having an extended and stable service life, and the conductivity of the present invention is very good.
[0031]S2, melting: all of the raw materials of the above weight is melted in the electric arc furnace, then poured into a high temperature-resistant mold, and then cast a ingot;
[0032]S3, hot processing: Preparation of horizontal slab continuous casting machine, thermally processed ingots at 800 ° C, placing the ingot in the horizontal slab co-casting machine, controlling the cross-section area of ​​the hot processing of the ingot is not low. 75%;
[0033]S4, milling surface: milling the materials obtained by heat processing;
[0034]S5, the first cold rolling: the cross-sectional area reduction of the control material is not less than 70%;
[0035]S6, solid solution treatment: heat-rolled material heating the temperature of 800 ° C and heats up 80s, then water cooling or air cooling treatment, the cooling rate is controlled at 20 ° C / s;
[0036]S7, intermediate cold rolling: the cross-sectional area of ​​the control material is reduced by 50%;
[0037]S8, aging: Selecting an inactive atmosphere to be protected within a temperature range of 400 ° C for 18 h;
[0038]S9, the final cold rolling: control the cross-section area reduction of 40%.

Example Embodiment

[0039]Example 2
[0040]A method of preparing a C70250 nickel silicone bronze strip with a horizontal coated casting blank, comprising the steps of:
[0041]S1, including 100 parts of the following weight: 0.6 copper chromium carbon chromium carbon carbon chromium carbide, 0.5 parts of nickel, 0.1 parts of silicon, 2.5 parts of boron, 0.5 parts of zirconium, 0.5 parts of zirconium; zirconium 0.5 parts;
[0042]S2, melting: all of the raw materials of the above weight is melted in the electric arc furnace, then poured into a high temperature-resistant mold, and then cast a ingot;
[0043]S3, hot processing: Preparation of horizontal slab continuous casting machine, thermally processed ingots at 800 ° C, placing the ingot in the horizontal slab co-casting machine, controlling the cross-section area of ​​the hot processing of the ingot is not low. 75%;
[0044]S4, milling surface: milling the materials obtained by heat processing;
[0045]S5, the first cold rolling: the cross-sectional area reduction of the control material is not less than 70%;
[0046]S6, solid solution treatment: heat-rolled material heating the temperature of 800 ° C and heats up 80s, then water cooling or air cooling treatment, the cooling rate is controlled at 20 ° C / s;
[0047]S7, intermediate cold rolling: the cross-sectional area of ​​the control material is reduced by 50%;
[0048]S8, aging: Selecting an inactive atmosphere to be protected within a temperature range of 400 ° C for 18 h;
[0049]S9, the final cold rolling: control the cross-section area reduction of 40%.

Example Embodiment

[0050]Example three
[0051]A method of preparing a C70250 nickel silicone bronze strip with a horizontal coated casting blank, comprising the steps of:
[0052]S1, including 98 copper, 98 copper, 0.5 copper carbon chromium carbon carbon chromium carbide, 0.10 nickel, 0.1 parts of silicon, 2.5 parts of boron, 0.5 parts of zirconium, 0.5 parts of zirconium; zirconium 0.5 parts;
[0053]S2, melting: all of the raw materials of the above weight is melted in the electric arc furnace, then poured into a high temperature-resistant mold, and then cast a ingot;
[0054]S3, hot processing: Preparation of horizontal slab continuous casting machine, thermally processed ingots at 800 ° C, placing the ingot in the horizontal slab co-casting machine, controlling the cross-section area of ​​the hot processing of the ingot is not low. 75%;
[0055]S4, milling surface: milling the materials obtained by heat processing;
[0056]S5, the first cold rolling: the cross-sectional area reduction of the control material is not less than 70%;
[0057]S6, solid solution treatment: heat-rolled material heating the temperature of 800 ° C and heats up 80s, then water cooling or air cooling treatment, the cooling rate is controlled at 20 ° C / s;
[0058]S7, intermediate cold rolling: the cross-sectional area of ​​the control material is reduced by 50%;
[0059]S8, aging: Selecting an inactive atmosphere to be protected within a temperature range of 400 ° C for 18 h;
[0060]S9, the final cold rolling: control the cross-section area reduction of 40%.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

no PUM

Description & Claims & Application Information

We can also present the details of the Description, Claims and Application information to help users get a comprehensive understanding of the technical details of the patent, such as background art, summary of invention, brief description of drawings, description of embodiments, and other original content. On the other hand, users can also determine the specific scope of protection of the technology through the list of claims; as well as understand the changes in the life cycle of the technology with the presentation of the patent timeline. Login to view more.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Similar technology patents

Polycarbonate resin composition

PendingCN114127190AExcellent impact resistance and rigidityReduce anisotropyPolycarbonatePolymer chemistry
Owner:MITSUBISHI ENG PLASTICS CORP

Calcium carbonate and glass fiber filled modified polytetrafluoroethylene material and processing technology thereof

PendingCN114479323AReduce anisotropyEvenly dispersedCalcium carbonateLinear expansion coefficient
Owner:江苏亿豪塑业股份有限公司

Classification and recommendation of technical efficacy words

  • Good electrical conductivity
  • Reduce anisotropy

RF connectors having ground springs

Owner:PACIFIC AEROSPACE & ELECTRONICS

Damage-resistant aluminum-lithium alloy and preparation method thereof

ActiveCN101967588AReduce anisotropyAlloy elementStructural element
Owner:AVIC BEIJING INST OF AERONAUTICAL MATERIALS

Steel plate for engineering machinery and production method of steel plate

ActiveCN104264052AReduce anisotropyImprove straightnessSteel platesDuctility
Owner:湖南华菱涟源钢铁有限公司

Electrostatic spinning machine

ActiveCN105506759AReduce anisotropyImprove the uniformity of fiber thickness and fiber qualityFilament/thread formingElectrospinningElectric field
Owner:JIANGXI INST OF FASHION TECH

Method for producing large-specification Ti55531 alloy pancake

ActiveCN107604283AReduce anisotropyGuaranteed material strengthSingle phaseMicrostructure
Owner:湖南湘投金天钛业科技股份有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products