CN1325678C - Composite metal materials without magnetism and process for making same - Google Patents
Composite metal materials without magnetism and process for making same Download PDFInfo
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- CN1325678C CN1325678C CNB2005100418009A CN200510041800A CN1325678C CN 1325678 C CN1325678 C CN 1325678C CN B2005100418009 A CNB2005100418009 A CN B2005100418009A CN 200510041800 A CN200510041800 A CN 200510041800A CN 1325678 C CN1325678 C CN 1325678C
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Abstract
The present invention discloses a composite metal material with a zero magnetic property, and a production process thereof. The composite metal material is produced by using copper and nickel as raw materials, and the copper and the nickel are Chinese standard 1<#> or 2<#> copper and nickel; the ratio of the copper to the nickel is 3 to 1. In the production method, according to the ratio, the nickel and the copper are orderly put into a medium frequency induction furnace to melt, and the melted liquid is tested by using an inductive type metal detector; when the melted liquid is eligible, the melted liquid is tapped off, directly cast and molded. The composite metal material with the zero magnetic property of the present invention not only has the electrical conductivity of metals, but also has the zero magnetic property, namely that when the melted liquid is detected by the inductive type metal detector, the melted liquid has no magnetism to the inductive type metal detector; underground objects produced by using the material of the present invention can not be discovered by the inductive type metal detector; electronic components produced by using the material of the present invention does not affect the electromagnetism signals of external circuits in a certain area, and thus, the material of the present invention is a novel application material in the military industry and the electronic information industry.
Description
Technical field
The present invention relates to a kind of composite material and manufacturing process thereof, particularly relate to a kind of composite metal materials without magnetism and manufacturing process thereof that hidden material, shielding material, intelligent material and new electronic component are made the field that be widely used in.
Background technology
Various metals all have the magnetic properties of oneself, and it shows as ferromegnetism, paramagnetism and diamagnetism, are ferromagnetic metal as iron, nickel; Copper is the diamagnetism metal; Aluminium is paramagnetic metal, thereby can exert an influence to foreign field and electromagnetic signal, can't resolve metal self the zero magnetic properties problem in hidden and responsive field.Zero magnetic of existing metallic substance or nonmagnetic is foundation with magnetic field force to the effect degree of its material all, and when with the induction type metal locator it being detected, then the induction type metal locator responds, and shows that having metallic substance now does not have zero magnetic property.
Summary of the invention
The objective of the invention is provides a kind of composite metal materials without magnetism and manufacturing process thereof for overcoming disadvantages of background technology.A kind of composite metal materials without magnetism that the present invention produces had both had the conductivity of metal, had induction type metal locator unresponsive zero magnetic property when it is surveyed again.
For achieving the above object, the technical solution used in the present invention is: a kind of composite metal materials without magnetism is characterized in that: it is to be the metal composite that raw material is made by copper and mickel, and the copper and mickel that is adopted is a GB 1
#Or 2
#Copper and mickel, its ratio: copper: nickel is 3: 1.
Its manufacturing process is: with GB 1
#Or 2
#Copper ingot and nickel ingot or its section bar, after oxide on surface and impurity cleaned out, melt with industrial intermediate frequency induction furnace, by copper: nickel is earlier to drop into nickel at 3: 1, drop into copper when treating its fusing again, after both fully melted, insulation 25～30min was between soak, take a morsel liquation to high temperature resistant saggar as detecting product, treat to remove surface irregularities behind its naturally cooling, CT-900 detects with the induction type metal locator, detects product when induction type metal locator CT-900 is close, be not qualified during sounding, detect with the digital display type metal locator again during as sounding, when the detector demonstration is negative partially, in stove, add 1.5% with interior nickel, when detector shows polarization, in stove, add 4% with interior copper, be shown as zero to detector after, liquation is come out of the stove and the direct pouring moulding.
Copper is a kind of incarnadine and glossiness metal, strong but pliable in texture, rich ductility and very high heat conduction and conductivity are arranged, not by attraction, belong to the diamagnetism metallic substance, 1083 ℃ of fusing points, stable in dry air, but in the wet air of carbonic acid gas is arranged, easily generate verdigris on the surface, be insoluble to hydrochloric acid or dilute sulphuric acid, be dissolved in nitric acid and hot concentrated sulfuric acid, meet alkali and easily be corroded; Nickel is a kind of silvery white metal, and is very hard, and rich ductility can be belonged to ferromagnetic metal material by attraction, and 1455 ℃ of fusing points have good erosion resistance, and are not oxidized in air, and anti-highly basic is slow with hydrochloric acid and effect of sulfuric acid, but is dissolved in nitric acid.
Advantage of the present invention is: a kind of composite metal materials without magnetism that the present invention produces, the conductivity that had both had metal, has induction type metal locator unresponsive zero magnetic property when it is surveyed again, utilize material of the present invention to make underground object, can not find by sensed formula metal locator, utilize material of the present invention to make electronic devices and components, can not influence the electromagnetic signal of external circuit within the specific limits, and manufacturing process of the present invention is simple, and is safe and reliable.
Embodiment
Below in conjunction with embodiment in detail the present invention is described in detail.
Embodiment 1
With GB 1
#Copper ingot and nickel ingot, after oxide on surface and impurity cleaned out, melt with industrial intermediate frequency induction furnace, drop into 25Kg nickel earlier, drop into 75Kg copper when treating its fusing again, after both fully melted, insulation 25min was between soak, take a morsel liquation to high temperature resistant saggar as detecting product, treat to remove surface irregularities behind its naturally cooling, CT-900 detects with the induction type metal locator, detects product when induction type metal locator CT-900 is close, be not qualified during sounding, detect with the digital display type metal locator again during as sounding, when the detector demonstration is negative partially, in stove, add 1.5Kg with interior nickel, when detector shows polarization, in stove, add 4Kg with interior copper, be shown as zero to detector after, liquation is come out of the stove and the direct pouring moulding.
Embodiment 2
With GB 2
#The section bar of copper and mickel, after oxide on surface and impurity cleaned out, melt with industrial intermediate frequency induction furnace, drop into 50Kg nickel earlier, drop into 150Kg copper when treating its fusing again, after both fully melted, insulation 30min was between soak, take a morsel liquation to high temperature resistant saggar as detecting product, treat to remove surface irregularities behind its naturally cooling, CT-900 detects with the induction type metal locator, detects product when induction type metal locator CT-900 is close, be not qualified during sounding, detect with the digital display type metal locator again during as sounding, when the detector demonstration is negative partially, in stove, add 3Kg with interior nickel, when detector shows polarization, in stove, add 8Kg with interior copper, be shown as zero to detector after, liquation is come out of the stove and the direct pouring moulding.
Embodiment 3
With GB 2
#Copper ingot and nickel ingot, after oxide on surface and impurity cleaned out, melt with industrial intermediate frequency induction furnace, drop into 40Kg nickel earlier, drop into 120Kg copper when treating its fusing again, after both fully melted, insulation 28min was between soak, take a morsel liquation to high temperature resistant saggar as detecting product, treat to remove surface irregularities behind its naturally cooling, CT-900 detects with the induction type metal locator, detects product when induction type metal locator CT-900 is close, be not qualified during sounding, detect with the digital display type metal locator again during as sounding, when the detector demonstration is negative partially, in stove, add 2.4Kg with interior nickel, when detector shows polarization, in stove, add 6.4Kg with interior copper, be shown as zero to detector after, liquation is come out of the stove and the direct pouring moulding.
Claims (1)
1, a kind of manufacturing process of composite metal materials without magnetism is characterized in that: with GB 1
#Or 2
#Copper ingot and nickel ingot or its section bar, after oxide on surface and impurity cleaned out, melt with industrial intermediate frequency induction furnace, by copper: nickel is earlier to drop into nickel at 3: 1, drop into copper when treating its fusing again, after both fully melted, insulation 25～30min was between soak, take a morsel liquation to high temperature resistant saggar as detecting product, treat to remove surface irregularities behind its naturally cooling, CT-900 detects with the induction type metal locator, detects product when induction type metal locator CT-900 is close, be not qualified during sounding, detect with the digital display type metal locator again during sounding, when the detector demonstration is negative partially, in stove, add 1.5% with interior nickel, when detector shows polarization, in stove, add 4% with interior copper, be shown as zero to detector after, liquation is come out of the stove and the direct pouring moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100418009A CN1325678C (en) | 2005-03-15 | 2005-03-15 | Composite metal materials without magnetism and process for making same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100418009A CN1325678C (en) | 2005-03-15 | 2005-03-15 | Composite metal materials without magnetism and process for making same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1664140A CN1664140A (en) | 2005-09-07 |
| CN1325678C true CN1325678C (en) | 2007-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100418009A Expired - Fee Related CN1325678C (en) | 2005-03-15 | 2005-03-15 | Composite metal materials without magnetism and process for making same |
Country Status (1)
| Country | Link |
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| CN (1) | CN1325678C (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3753669A (en) * | 1971-12-22 | 1973-08-21 | Texas Instruments Inc | Coinage materials |
| JPH0991653A (en) * | 1995-09-20 | 1997-04-04 | Kao Corp | Recording medium |
| US6527512B2 (en) * | 2001-03-01 | 2003-03-04 | Brush Wellman, Inc. | Mud motor |
| CN1408889A (en) * | 2001-09-18 | 2003-04-09 | 北京有色金属研究总院 | Cubic woven structure copper-nickel alloy base band without magnetism and its preparing method |
-
2005
- 2005-03-15 CN CNB2005100418009A patent/CN1325678C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3753669A (en) * | 1971-12-22 | 1973-08-21 | Texas Instruments Inc | Coinage materials |
| JPH0991653A (en) * | 1995-09-20 | 1997-04-04 | Kao Corp | Recording medium |
| US6527512B2 (en) * | 2001-03-01 | 2003-03-04 | Brush Wellman, Inc. | Mud motor |
| CN1408889A (en) * | 2001-09-18 | 2003-04-09 | 北京有色金属研究总院 | Cubic woven structure copper-nickel alloy base band without magnetism and its preparing method |
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| Publication number | Publication date |
|---|---|
| CN1664140A (en) | 2005-09-07 |
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Granted publication date: 20070711 Termination date: 20140315 |