CN104451432A - Stainless steel alloy for electronic material - Google Patents
Stainless steel alloy for electronic material Download PDFInfo
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- CN104451432A CN104451432A CN201410816786.4A CN201410816786A CN104451432A CN 104451432 A CN104451432 A CN 104451432A CN 201410816786 A CN201410816786 A CN 201410816786A CN 104451432 A CN104451432 A CN 104451432A
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Abstract
The invention discloses a stainless steel alloy for an electronic material. The stainless steel alloy comprises the following components in parts by mass: 0.5-1.5 parts by mass of carbon, 1-10 parts by mass of Si, 0.5-2.5 parts by mass of phosphorus, 1-5 parts by mass of Al, 20-30 parts by mass of Cr, 2-6 parts by mass of nickel and 2-3 parts by mass of Ti, 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.
Background technology
For the electronic material Stainless Steel Alloy 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 electronic material Stainless Steel Alloy, 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.
Technical scheme: the invention discloses a kind of electronic material Stainless Steel Alloy, the Ti of the phosphorus that it comprises the carbon of mass fraction 0.5-1.5 part, the Si of mass fraction 1-10 part, mass fraction are 0.5-2.5, Al, the Cr of mass fraction 20-30 of mass fraction 1-5 part, the nickel 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 Co of the Cr of the phosphorus that the present invention comprises the carbon of mass fraction 0.5-1.5 part, the Si of mass fraction 1-10 part, mass fraction are 0.5-2.5, the Al of mass fraction 1-5 part, mass fraction 20-30, the nickel of mass fraction 2-6, the Ti of mass fraction 2-3 part 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 Mg of the Cr of the phosphorus that the present invention comprises the carbon of mass fraction 0.5-1.5 part, the Si of mass fraction 1-10 part, mass fraction are 0.5-2.5, the Al of mass fraction 1-5 part, mass fraction 20-30, the nickel of mass fraction 2-6, the Ti of mass fraction 2-3 part, the Sn of mass fraction 1-2 part and mass fraction 0.5-1 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 carbon of mass fraction 0.5-1.5 part, the Si of mass fraction 1-10 part, mass fraction are 0.5-2.5, the Al of mass fraction 1-5 part, the Cr of mass fraction 20-30, the nickel of mass fraction 2-6, the Ti of mass fraction 2-3 part, the titanium oxide of mass fraction 2-3 part, the silicon oxide of mass fraction 1-3 part, 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:
A kind of electronic material Stainless Steel Alloy of the present embodiment, comprise the carbon of mass fraction 0.5 part, the Si of mass fraction 1 part, mass fraction be 0.5 phosphorus, Al, the Cr of mass fraction 20 of mass fraction 1 part, the nickel of mass fraction 2 and mass fraction 2 parts Ti; All the other are made up of iron and inevitable impurity.
Embodiment 2:
A kind of electronic material Stainless Steel Alloy of the present embodiment, comprise the carbon of mass fraction 1.5 parts, the Si of mass fraction 10 parts, mass fraction be 2.5 phosphorus, Al, the Cr of mass fraction 30 of mass fraction 5 parts, the nickel of mass fraction 6 and mass fraction 3 parts Ti; All the other are made up of iron and inevitable impurity.
Embodiment 3:
A kind of electronic material Stainless Steel Alloy of the present embodiment, comprise the carbon of mass fraction 1 part, the Si of mass fraction 6 parts, mass fraction be 1.5 phosphorus, Al, the Cr of mass fraction 25 of mass fraction 3 parts, the nickel of mass fraction 4 and mass fraction 2 parts Ti; All the other are made up of iron and inevitable impurity.
Embodiment 4:
A kind of electronic material Stainless Steel Alloy of the present embodiment, comprise the carbon of mass fraction 0.5 part, the Si of mass fraction 1 part, mass fraction be 0.5 phosphorus, the Al of mass fraction 1 part, the Cr of mass fraction 20, the nickel of mass fraction 2, the Ti of mass fraction 2 parts and the Co of mass fraction 2 parts, all the other are made up of iron and inevitable impurity.
Embodiment 5:
A kind of electronic material Stainless Steel Alloy of the present embodiment, comprise the carbon of mass fraction 1.5 parts, the Si of mass fraction 10 parts, mass fraction be 2.5 phosphorus, the Al of mass fraction 5 parts, the Cr of mass fraction 30, the nickel of mass fraction 6, the Ti of mass fraction 3 parts and the Co of mass fraction 3 parts, all the other are made up of iron and inevitable impurity.
Embodiment 6:
A kind of electronic material Stainless Steel Alloy of the present embodiment, comprise the carbon of mass fraction 1 part, the Si of mass fraction 5 parts, mass fraction be 1.5 phosphorus, the Al of mass fraction 3 parts, the Cr of mass fraction 25, the nickel of mass fraction 4, the Ti of mass fraction 2.5 parts and the Co of mass fraction 2.5 parts, all the other are made up of iron and inevitable impurity.
Embodiment 7:
A kind of electronic material Stainless Steel Alloy of the present embodiment, comprise the carbon of mass fraction 0.5 part, the Si of mass fraction 1 part, mass fraction be 0.5 phosphorus, the Al of mass fraction 1 part, the Cr of mass fraction 20, the nickel of mass fraction 2, the Ti of mass fraction 2 parts, the Sn of mass fraction 1 part and the Mg of mass fraction 0.5 part, all the other are made up of iron and inevitable impurity.
Embodiment 8:
A kind of electronic material Stainless Steel Alloy of the present embodiment, comprise the carbon of mass parts 1.5 parts, the Si of mass fraction 10 parts, mass fraction be 2.5 phosphorus, the Al of mass fraction 5 parts, the Cr of mass fraction 30, the nickel of mass fraction 6, the Ti of mass fraction 3 parts, the Sn of mass fraction 2 parts and the Mg of mass fraction 1 part, all the other are made up of iron and inevitable impurity.
Embodiment 9:
A kind of electronic material Stainless Steel Alloy of the present embodiment, comprise the carbon of mass fraction 1 part, the Si of mass fraction 6 parts, mass fraction be 1.5 phosphorus, the Al of mass fraction 3 parts, the Cr of mass fraction 25, the nickel of mass fraction 4, the Ti of mass fraction 2.5 parts, the Sn of mass fraction 1.5 parts and the Mg of mass fraction 0.8 part, all the other are made up of iron and inevitable impurity.
Embodiment 10:
A kind of electronic material Stainless Steel Alloy of the present embodiment, comprise the carbon of mass fraction 0.5 part, the Si of mass fraction 1 part, mass fraction be 0.5 phosphorus, the Al of mass fraction 1 part, the Cr of mass fraction 20, the nickel of mass fraction 2, the Ti of mass fraction 2 parts, the titanium oxide of mass fraction 2 parts, mass fraction 1 part silicon oxide, all the other are made up of iron and inevitable impurity.
Embodiment 11:
A kind of electronic material Stainless Steel Alloy of the present embodiment, comprise the carbon of mass fraction 1.5 parts, the Si of mass fraction 10 parts, mass fraction be 2.5 phosphorus, the Al of mass fraction 5 parts, the Cr of mass fraction 30, the nickel of mass fraction 6, the Ti of mass fraction 3 parts, the titanium oxide of mass fraction 3 parts, mass fraction 3 parts silicon oxide, all the other are made up of iron and inevitable impurity.
Embodiment 12:
A kind of electronic material Stainless Steel Alloy of the present embodiment, comprise the carbon of mass fraction 1 part, the Si of mass fraction 6 parts, mass fraction be 1.5 phosphorus, the Al of mass fraction 3 parts, the Cr of mass fraction 25, the nickel of mass fraction 4, the Ti of mass fraction 2.5 parts, the titanium oxide of mass fraction 2.5 parts, mass fraction 2 parts silicon oxide, all the other are made up of iron and inevitable impurity.
Claims (4)
1. an electronic material Stainless Steel Alloy, is characterized in that: the Ti of the phosphorus that it comprises the carbon of mass fraction 0.5-1.5 part, the Si of mass fraction 1-10 part, mass fraction are 0.5-2.5, Al, the Cr of mass fraction 20-30 of mass fraction 1-5 part, the nickel of mass fraction 2-6 and mass fraction 2-3 part; All the other are made up of iron and inevitable impurity.
2. a kind of electronic material Stainless Steel Alloy according to claim 1, it is characterized in that: the Co of the Cr of the phosphorus that it comprises the carbon of mass fraction 0.5-1.5 part, the Si of mass fraction 1-10 part, mass fraction are 0.5-2.5, the Al of mass fraction 1-5 part, mass fraction 20-30, the nickel of mass fraction 2-6, the Ti of mass fraction 2-3 part and mass fraction 2-3 part, all the other are made up of iron and inevitable impurity.
3. a kind of electronic material Stainless Steel Alloy according to claim 1, it is characterized in that: the Mg of the Cr of the phosphorus that it comprises the carbon of mass fraction 0.5-1.5 part, the Si of mass fraction 1-10 part, mass fraction are 0.5-2.5, the Al of mass fraction 1-5 part, mass fraction 20-30, the nickel of mass fraction 2-6, the Ti of mass fraction 2-3 part, the Sn of mass fraction 1-2 part and mass fraction 0.5-1 part, all the other are made up of iron and inevitable impurity.
4. a kind of electronic material Stainless Steel Alloy according to claim 1, it is characterized in that: the phosphorus that it comprises the carbon of mass fraction 0.5-1.5 part, the Si of mass fraction 1-10 part, mass fraction are 0.5-2.5, the Al of mass fraction 1-5 part, the Cr of mass fraction 20-30, the nickel of mass fraction 2-6, the Ti of mass fraction 2-3 part, the titanium oxide of mass fraction 2-3 part, the silicon oxide of mass fraction 1-3 part, all the other are made up of iron and inevitable impurity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410816786.4A CN104451432A (en) | 2014-12-25 | 2014-12-25 | Stainless steel alloy for electronic material |
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| CN201410816786.4A CN104451432A (en) | 2014-12-25 | 2014-12-25 | Stainless steel alloy for electronic material |
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| CN104451432A true CN104451432A (en) | 2015-03-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191620A (en) * | 2016-08-09 | 2016-12-07 | 洛阳名力科技开发有限公司 | A kind of electronic material novel alloy |
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| JPS62243742A (en) * | 1986-04-17 | 1987-10-24 | Nippon Kokan Kk <Nkk> | Austenitic stainless steel having superior creep rupture strength |
| CN1831181A (en) * | 2005-03-10 | 2006-09-13 | 日立金属株式会社 | Stainless steel having a high hardness and excellent mirror-finished surface property, and method of producing the same |
| CN101275208A (en) * | 2007-03-31 | 2008-10-01 | 大同特殊钢株式会社 | Austenitic free-cutting stainless steel |
| CN101495662A (en) * | 2006-07-27 | 2009-07-29 | 住友金属工业株式会社 | Austenitic stainless steel welded joint and austenitic stainless steel welding material |
| CN102277538A (en) * | 2011-07-27 | 2011-12-14 | 山西太钢不锈钢股份有限公司 | Tin-containing ferrite stainless steel plate and manufacturing method thereof |
| CN103469100A (en) * | 2013-09-10 | 2013-12-25 | 宝钢磁业（江苏）有限公司 | Precipitation hardening type stainless steel pearl mill working chamber with high toughness and high wear resistance and preparation method thereof |
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2014
- 2014-12-25 CN CN201410816786.4A patent/CN104451432A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62243742A (en) * | 1986-04-17 | 1987-10-24 | Nippon Kokan Kk <Nkk> | Austenitic stainless steel having superior creep rupture strength |
| CN1831181A (en) * | 2005-03-10 | 2006-09-13 | 日立金属株式会社 | Stainless steel having a high hardness and excellent mirror-finished surface property, and method of producing the same |
| CN101495662A (en) * | 2006-07-27 | 2009-07-29 | 住友金属工业株式会社 | Austenitic stainless steel welded joint and austenitic stainless steel welding material |
| CN101275208A (en) * | 2007-03-31 | 2008-10-01 | 大同特殊钢株式会社 | Austenitic free-cutting stainless steel |
| CN102277538A (en) * | 2011-07-27 | 2011-12-14 | 山西太钢不锈钢股份有限公司 | Tin-containing ferrite stainless steel plate and manufacturing method thereof |
| CN103469100A (en) * | 2013-09-10 | 2013-12-25 | 宝钢磁业（江苏）有限公司 | Precipitation hardening type stainless steel pearl mill working chamber with high toughness and high wear resistance and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191620A (en) * | 2016-08-09 | 2016-12-07 | 洛阳名力科技开发有限公司 | A kind of electronic material novel alloy |
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Application publication date: 20150325 |