CN104451404A - Stainless steel alloy for electronic material with balanced properties - Google Patents
Stainless steel alloy for electronic material with balanced properties Download PDFInfo
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- CN104451404A CN104451404A CN201410818319.5A CN201410818319A CN104451404A CN 104451404 A CN104451404 A CN 104451404A CN 201410818319 A CN201410818319 A CN 201410818319A CN 104451404 A CN104451404 A CN 104451404A
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Abstract
The invention discloses a stainless steel alloy for an electronic material with balanced properties. The stainless steel alloy comprises the following components in parts by mass: 0.5-1.5 parts by mass of strontium, 1-10 parts by mass of silicon, 0.5-2.5 parts by mass of phosphorus, 1-5 parts by mass of magnesium, 1.5-2.3 parts by mass of Cr, 20-30 parts by mass of indium, 2-6 parts by mass of copper and 2-3 parts by mass of titanium, as well as the balance of iron and inevitable impurities. The balance of the strength, electric conductivity and bending processibility of the electronic material obtained according to the invention is greatly improved, and the electronic material also shows excellent properties in the aspects of stress relaxation and brazing material wettability.
Description
Technical field
The present invention relates to electronic applications, be specifically related to a kind of electronic material Stainless Steel Alloy of balancing performance.
Background technology
For the electronic material Stainless Steel Alloy of the balancing performance for lead frame, terminal, connector etc., as the fundamental characteristics of goods, require that high intensity and high electroconductibility or thermal conductivity have both.And more require the miniaturization of electron device, highly integrated in recent years, therefore require raw-material thin plate, in lead frame, terminal, connector, increase, the narrow space lengthization of pin count etc. develop.Require the complicated of device shape further and improve the reliability in aggregate erection, therefore for the material used, except physical strength and excellent conductivity, also requiring good bending machining type.
Especially, for at middle copper alloys used such as flexible jumpers, in order to carry out high electric current, and junctor is not made to maximize, even if rear wallization also has good bendability, expect electric conductivity and about 650Mpa 0.2% yield strength above of more than 60%IACS.
In recent years, as the electronic material Stainless Steel Alloy of balancing performance, replacement phosphorus in the past blue or green stainless steel, yellow stainless steel etc. are the solution strengthening type Stainless Steel Alloy of representative, from the view point of high strength and high conductivity, the usage quantity of time hardening Stainless Steel Alloy increases, time hardening Stainless Steel Alloy carries out ageing treatment by the supersaturated solid solution of solution treatment, tiny precipitate is disperseed equably, while putting forward heavy alloyed intensity, reduce the solid solution element amount in stainless steel, thus electroconductibility improves.Therefore, as the good mechanical performance such as intensity, elasticity, and the materials'use that electroconductibility, thermal conductivity are good.
It is generally acknowledged that the bendability of alloy is relevant with grain fineness number, grain fineness number is less, bending machining performance is more excellent, but, when being adjusted to little by grain fineness number, even if control manufacturing condition, also easily form the duplex grain structure of mixing non-recrystallization part, its result, produces the problem being called bendability and reducing.
Summary of the invention
Goal of the invention: for above-mentioned prior art Problems existing and deficiency, the object of this invention is to provide a kind of electronic material Stainless Steel Alloy of balancing performance.
Technical scheme: the electronic material Stainless Steel Alloy that the invention discloses a kind of balancing performance, the phosphorus that it comprises the strontium of mass fraction 0.5-1.5 part, the silicon of mass fraction 1-10 part, mass fraction are 0.5-2.5, the magnesium of mass fraction 1-5 part, the Cr of mass fraction 1.5-2.3, mass fraction are the titanium of the indium of 20-30 part, the copper of mass fraction 2-6 and mass fraction 2-3 part; All the other are made up of iron and inevitable impurity.
As further optimization of the present invention, the phosphorus that the present invention comprises the strontium of mass fraction 0.5-1.5 part, the silicon of mass fraction 1-10 part, mass fraction are 0.5-2.5, the magnesium of mass fraction 1-5 part, the Cr of mass fraction 1.5-2.3, mass fraction are the Co of the indium of 20-30 part, the copper of mass fraction 2-6, the titanium of mass fraction 2-3 part, the nickel of mass fraction 2-6 and mass fraction 2-3 part, and all the other are made up of iron and inevitable impurity.
As further optimization of the present invention, the phosphorus that the present invention comprises the strontium of mass fraction 0.5-1.5 part, the silicon of mass fraction 1-10 part, mass fraction are 0.5-2.5, the magnesium of mass fraction 1-5 part, the Cr of mass fraction 1.5-2.3, mass fraction are the aluminium of the indium of 20-30 part, the copper of mass fraction 2-6, the titanium of mass fraction 2-3 part, the nickel of mass fraction 2-6, the Sn of mass fraction 1-2 part and mass fraction 0.5-1 part, and all the other are made up of iron and inevitable impurity.
As further optimization of the present invention, the phosphorus that the present invention comprises the strontium of mass fraction 0.5-1.5 part, the silicon of mass fraction 1-10 part, mass fraction are 0.5-2.5, the magnesium of mass fraction 1-5 part, the Cr of mass fraction 1.5-2.3, mass fraction are indium, the copper of mass fraction 2-6, the titanium of mass fraction 2-3 part, the nickel of mass fraction 2-6, the titanium oxide of mass fraction 2-3 part, the silicon oxide of mass fraction 1-3 part of 20-30 part, and all the other are made up of iron and inevitable impurity.
Beneficial effect: the equilibrium according to the intensity of the electronic material of gained of the present invention, electroconductibility and bendability improves greatly, and electronic material of the present invention also demonstrates excellent characteristic in stress relaxation characteristics and braze wettability.
Embodiment
The present invention is illustrated further below in conjunction with embodiment.
Embodiment 1:
The electronic material Stainless Steel Alloy of a kind of balancing performance of the present embodiment, the phosphorus that it comprises the strontium of mass fraction 0.5 part, the silicon of mass fraction 1 part, mass fraction are 0.5, the magnesium of mass fraction 1 part, the Cr of mass fraction 1.5, mass fraction are the titanium of the indium of 20 parts, the copper of mass fraction 2 and mass fraction 2 parts; All the other are made up of iron and inevitable impurity.
Embodiment 2:
The electronic material Stainless Steel Alloy of a kind of balancing performance of the present embodiment, the phosphorus that it comprises the strontium of mass fraction 1.5 parts, the silicon of mass fraction 10 parts, mass fraction are 2.5, the magnesium of mass fraction 5 parts, the Cr of mass fraction 2.3, mass fraction are the titanium of the indium of 30 parts, the copper of mass fraction 6 and mass fraction 3 parts; All the other are made up of iron and inevitable impurity.
Embodiment 3:
The electronic material Stainless Steel Alloy of a kind of balancing performance of the present embodiment, the phosphorus that it comprises the strontium of mass fraction 1 part, the silicon of mass fraction 5 parts, mass fraction are 1.5, the magnesium of mass fraction 3 parts, the Cr of mass fraction 1.9, mass fraction are the titanium of the indium of 25 parts, the copper of mass fraction 4 and mass fraction 2.5 parts; All the other are made up of iron and inevitable impurity.
Embodiment 4:
The phosphorus that the electronic material Stainless Steel Alloy of a kind of balancing performance of the present embodiment comprises the strontium of mass fraction 0.5 part, the silicon of mass fraction 1 part, mass fraction are 0.5, the magnesium of mass fraction 1 part, the Cr of mass fraction 1.5, mass fraction be 20 parts indium, the copper of mass fraction 2, the titanium of mass fraction 2 parts, the nickel of mass fraction 2 and mass fraction 2 parts Co, all the other are made up of iron and inevitable impurity.
Embodiment 5:
The electronic material Stainless Steel Alloy of a kind of balancing performance of the present embodiment, comprise the strontium of mass fraction 1.5 parts, the Co of indium, the copper of mass fraction 6, the titanium of mass fraction 3 parts, the nickel of mass fraction 6 and mass fraction 3 parts that phosphorus that the silicon of mass fraction 10 parts, mass fraction are 2.5, the magnesium of mass fraction 5 parts, the Cr of mass fraction 2.3, mass fraction are 30 parts, all the other are made up of iron and inevitable impurity.
Embodiment 6:
The electronic material Stainless Steel Alloy of a kind of balancing performance of the present embodiment, comprise the strontium of mass fraction 1 part, the Co of indium, the copper of mass fraction 4, the titanium of mass fraction 2.5 parts, the nickel of mass fraction 4 and mass fraction 2.5 parts that phosphorus that the silicon of mass fraction 5 parts, mass fraction are 1.5, the magnesium of mass fraction 3 parts, the Cr of mass fraction 1.9, mass fraction are 25 parts, all the other are made up of iron and inevitable impurity.
Embodiment 7:
The electronic material Stainless Steel Alloy of a kind of balancing performance of the present embodiment, comprise the strontium of mass fraction 0.5 part, the titanium of indium that phosphorus that the silicon of mass fraction 1 part, mass fraction are 0.5, the magnesium of mass fraction 1 part, the Cr of mass fraction 1.5, mass fraction are 20 parts, the copper of mass fraction 2, mass fraction 2 parts, the nickel of mass fraction 2, the Sn of mass fraction 1 part and the aluminium of mass fraction 0.5 part, all the other are made up of iron and inevitable impurity.
Embodiment 8:
The electronic material Stainless Steel Alloy of a kind of balancing performance of the present embodiment, comprise the strontium of mass fraction 1.5 parts, the titanium of indium that phosphorus that the silicon of mass fraction 10 parts, mass fraction are 2.5, the magnesium of mass fraction 5 parts, the Cr of mass fraction 2.3, mass fraction are 30 parts, the copper of mass fraction 6, mass fraction 3 parts, the nickel of mass fraction 6, the Sn of mass fraction 2 parts and the aluminium of mass fraction 1 part, all the other are made up of iron and inevitable impurity.
Embodiment 9:
The electronic material Stainless Steel Alloy of a kind of balancing performance of the present embodiment, comprise the strontium of mass fraction 1 part, the titanium of indium that phosphorus that the silicon of mass fraction 6 parts, mass fraction are 1.5, the magnesium of mass fraction 3 parts, the Cr of mass fraction 1.9, mass fraction are 25 parts, the copper of mass fraction 4, mass fraction 2.5 parts, the nickel of mass fraction 4, the Sn of mass fraction 1.5 parts and the aluminium of mass fraction 0.8 part, all the other are made up of iron and inevitable impurity.
Embodiment 10:
The electronic material Stainless Steel Alloy of a kind of balancing performance of the present embodiment, comprise the strontium of mass fraction 0.5 part, the silicon oxide of the titanium of indium that phosphorus that the silicon of mass fraction 1 part, mass fraction are 0.5, the magnesium of mass fraction 1 part, the Cr of mass fraction 1.5, mass fraction are 20 parts, the copper of mass fraction 2, mass fraction 2 parts, the nickel of mass fraction 2, the titanium oxide of mass fraction 2 parts, mass fraction 1 part, all the other are made up of iron and inevitable impurity.
Embodiment 11:
The electronic material Stainless Steel Alloy of a kind of balancing performance of the present embodiment, comprise the strontium of mass fraction 1.5 parts, the silicon oxide of the titanium of indium that phosphorus that the silicon of mass fraction 10 parts, mass fraction are 2.5, the magnesium of mass fraction 5 parts, the Cr of mass fraction 2.3, mass fraction are 30 parts, the copper of mass fraction 6, mass fraction 3 parts, the nickel of mass fraction 6, the titanium oxide of mass fraction 3 parts, mass fraction 3 parts, all the other are made up of iron and inevitable impurity.
Embodiment 12:
The electronic material Stainless Steel Alloy of a kind of balancing performance of the present embodiment, comprise the strontium of mass fraction 1 part, the silicon oxide of the titanium of indium that phosphorus that the silicon of mass fraction 6 parts, mass fraction are 1.5, the magnesium of mass fraction 3 parts, the Cr of mass fraction 1.9, mass fraction are 25 parts, the copper of mass fraction 4, mass fraction 2.5 parts, the nickel of mass fraction 4, the titanium oxide of mass fraction 2.5 parts, mass fraction 2 parts, all the other are made up of iron and inevitable impurity.
Claims (4)
1. an electronic material Stainless Steel Alloy for balancing performance, is characterized in that: the phosphorus that it comprises the strontium of mass fraction 0.5-1.5 part, the silicon of mass fraction 1-10 part, mass fraction are 0.5-2.5, the magnesium of mass fraction 1-5 part, the Cr of mass fraction 1.5-2.3, mass fraction are the titanium of the indium of 20-30 part, the copper of mass fraction 2-6 and mass fraction 2-3 part; All the other are made up of iron and inevitable impurity.
2. the electronic material Stainless Steel Alloy of a kind of balancing performance according to claim 1, it is characterized in that: the phosphorus that it comprises the strontium of mass fraction 0.5-1.5 part, the silicon of mass fraction 1-10 part, mass fraction are 0.5-2.5, the magnesium of mass fraction 1-5 part, the Cr of mass fraction 1.5-2.3, mass fraction are the Co of the indium of 20-30 part, the copper of mass fraction 2-6, the titanium of mass fraction 2-3 part, the nickel of mass fraction 2-6 and mass fraction 2-3 part, and all the other are made up of iron and inevitable impurity.
3. the electronic material Stainless Steel Alloy of a kind of balancing performance according to claim 1, it is characterized in that: the phosphorus that it comprises the strontium of mass fraction 0.5-1.5 part, the silicon of mass fraction 1-10 part, mass fraction are 0.5-2.5, the magnesium of mass fraction 1-5 part, the Cr of mass fraction 1.5-2.3, mass fraction are the aluminium of the indium of 20-30 part, the copper of mass fraction 2-6, the titanium of mass fraction 2-3 part, the nickel of mass fraction 2-6, the Sn of mass fraction 1-2 part and mass fraction 0.5-1 part, and all the other are made up of iron and inevitable impurity.
4. the electronic material Stainless Steel Alloy of a kind of balancing performance according to claim 1, it is characterized in that: the phosphorus that it comprises the strontium of mass fraction 0.5-1.5 part, the silicon of mass fraction 1-10 part, mass fraction are 0.5-2.5, the magnesium of mass fraction 1-5 part, the Cr of mass fraction 1.5-2.3, mass fraction are indium, the copper of mass fraction 2-6, the titanium of mass fraction 2-3 part, the nickel of mass fraction 2-6, the titanium oxide of mass fraction 2-3 part, the silicon oxide of mass fraction 1-3 part of 20-30 part, and all the other are made up of iron and inevitable impurity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410818319.5A CN104451404A (en) | 2014-12-25 | 2014-12-25 | Stainless steel alloy for electronic material with balanced properties |
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| CN201410818319.5A CN104451404A (en) | 2014-12-25 | 2014-12-25 | Stainless steel alloy for electronic material with balanced properties |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107090566A (en) * | 2017-05-26 | 2017-08-25 | 太仓明仕金属制造有限公司 | A kind of mechanical part metal material |
| CN107119235A (en) * | 2017-05-27 | 2017-09-01 | 太仓源壬金属科技有限公司 | A kind of auto parts and components alloy material |
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| JP2006233282A (en) * | 2005-02-25 | 2006-09-07 | Jfe Steel Kk | Stainless steel for energizing electric parts with superior electric conductivity and corrosion resistance, and manufacturing method therefor |
| CN102352471A (en) * | 2011-11-02 | 2012-02-15 | 永鑫精密材料（无锡）有限公司 | Austenite stainless steel thin strip for electronic product shell |
| US20120276472A1 (en) * | 2009-07-23 | 2012-11-01 | Jfe Steel Corporation | Stainless steel for fuel cell having good corrosion resistance and method for producing the same |
| CN102899588A (en) * | 2012-09-24 | 2013-01-30 | 无锡市方正金属捆带有限公司 | Stainless steel strip for electronic device shells |
| CN103741066A (en) * | 2013-12-25 | 2014-04-23 | 宝钢不锈钢有限公司 | Non-magnetic hard austenitic stainless steel for precision electron and manufacturing method thereof |
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2014
- 2014-12-25 CN CN201410818319.5A patent/CN104451404A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006233282A (en) * | 2005-02-25 | 2006-09-07 | Jfe Steel Kk | Stainless steel for energizing electric parts with superior electric conductivity and corrosion resistance, and manufacturing method therefor |
| US20120276472A1 (en) * | 2009-07-23 | 2012-11-01 | Jfe Steel Corporation | Stainless steel for fuel cell having good corrosion resistance and method for producing the same |
| CN102352471A (en) * | 2011-11-02 | 2012-02-15 | 永鑫精密材料（无锡）有限公司 | Austenite stainless steel thin strip for electronic product shell |
| CN102899588A (en) * | 2012-09-24 | 2013-01-30 | 无锡市方正金属捆带有限公司 | Stainless steel strip for electronic device shells |
| CN103741066A (en) * | 2013-12-25 | 2014-04-23 | 宝钢不锈钢有限公司 | Non-magnetic hard austenitic stainless steel for precision electron and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107090566A (en) * | 2017-05-26 | 2017-08-25 | 太仓明仕金属制造有限公司 | A kind of mechanical part metal material |
| CN107119235A (en) * | 2017-05-27 | 2017-09-01 | 太仓源壬金属科技有限公司 | A kind of auto parts and components alloy material |
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Application publication date: 20150325 |