KR102363597B1 - 구리 합금 판재 및 그 제조 방법 및 전기 전자기기용 방열 부품 및 실드 케이스 - Google Patents
구리 합금 판재 및 그 제조 방법 및 전기 전자기기용 방열 부품 및 실드 케이스 Download PDFInfo
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims description 19
- 238000005452 bending Methods 0.000 claims abstract description 91
- 239000000463 material Substances 0.000 claims abstract description 88
- 238000005096 rolling process Methods 0.000 claims abstract description 61
- 238000012360 testing method Methods 0.000 claims abstract description 43
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 31
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- 239000010949 copper Substances 0.000 claims abstract description 16
- 239000012535 impurity Substances 0.000 claims abstract description 16
- 229910052718 tin Inorganic materials 0.000 claims abstract description 14
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 13
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 13
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 13
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 10
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- 238000000034 method Methods 0.000 claims description 45
- 238000010438 heat treatment Methods 0.000 claims description 28
- 238000005097 cold rolling Methods 0.000 claims description 27
- 238000000137 annealing Methods 0.000 claims description 24
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- 238000001816 cooling Methods 0.000 claims description 14
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- 230000032683 aging Effects 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 230000037303 wrinkles Effects 0.000 claims description 6
- 238000000265 homogenisation Methods 0.000 claims description 5
- 238000005098 hot rolling Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 35
- 230000008569 process Effects 0.000 description 22
- 238000005259 measurement Methods 0.000 description 19
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- 239000011572 manganese Substances 0.000 description 13
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- 230000009471 action Effects 0.000 description 12
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 238000010894 electron beam technology Methods 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 229910017876 Cu—Ni—Si Inorganic materials 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 229910020711 Co—Si Inorganic materials 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000005315 distribution function Methods 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 3
- QCAWEPFNJXQPAN-UHFFFAOYSA-N methoxyfenozide Chemical compound COC1=CC=CC(C(=O)NN(C(=O)C=2C=C(C)C=C(C)C=2)C(C)(C)C)=C1C QCAWEPFNJXQPAN-UHFFFAOYSA-N 0.000 description 3
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- 238000004881 precipitation hardening Methods 0.000 description 2
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
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- 239000010937 tungsten Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910019001 CoSi Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910005883 NiSi Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 238000006731 degradation reaction Methods 0.000 description 1
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- 230000005489 elastic deformation Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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- 238000011084 recovery Methods 0.000 description 1
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- 230000002195 synergetic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold rolling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0273—Final recrystallisation annealing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Conductive Materials (AREA)
Abstract
Description
도 2는 슬릿 변형 측정 방법으로 사용되는 단책형의 시험편을 구리 합금 판재로부터 잘랐을 때의 형상을 나타내는 개략 평면도이다.
L: 시험편의 길이
X1: 슬릿 길이
X2: (단 잘라버림) 치수
Claims (8)
- Ni: 0∼4.5질량%, Co: 0∼2.0질량%, Si: 0.2∼1.3질량%, Mg: 0∼0.5질량%, Cr: 0∼0.5질량%, Sn: 0∼0.25질량%, Zn: 0∼0.6질량%, Zr: 0∼0.15질량% 및 Mn: 0∼0.25질량%를 함유하고,
Ni 및 Co의 합계 함유량이 0.8∼5.0질량%이며, 또한,
Si 함유량에 대한 Ni 및 Co의 합계 함유량의 비 {(Ni+Co)/Si}가 2.0∼6.0이며,
잔부가 Cu 및 불가피 불순물로 구성되는 합금 조성을 갖고,
압연 집합 조직을 갖는 구리 합금 판재로서,
상기 압연 집합 조직은 EBSD에 의한 집합 조직 해석으로부터 얻어진,
β-fiber(φ2=45°∼90°)의 방위 밀도의 평균치가 3.0이상 25.0이하의 범위 내이며,
압연 평행 방향의 인장강도가 600MPa 이상이고,
JBMA T304:1999에 준거한 조건에서 100㎜ 길이의 단책형으로 가공한 시험편의 튀어오르는 높이가 2.0㎜ 이하인 것을 특징으로 하는 구리 합금 판재. - Ni: 0∼4.5질량%, Co: 0∼2.0질량%, Si: 0.2∼1.3질량%, Mg: 0∼0.5질량%, Cr: 0∼0.5질량%, Sn: 0∼0.25질량%, Zn: 0∼0.6질량%, Zr: 0∼0.15질량% 및 Mn: 0∼0.25질량%를 함유하고,
Ni 및 Co의 합계 함유량이 0.8∼5.0질량%이며, 또한,
Si 함유량에 대한 Ni 및 Co의 합계 함유량의 비 {(Ni+Co)/Si}가 2.0∼6.0이며,
잔부가 Cu 및 불가피 불순물로 구성되는 합금 조성을 갖고,
압연 집합 조직을 갖는 구리 합금 판재로서,
상기 압연 집합 조직은 EBSD에 의한 집합 조직 해석으로부터 얻어진,
β-fiber(φ2=45°∼90°)의 방위 밀도의 평균치가 3.0이상 25.0이하의 범위 내이며,
압연 평행 방향의 인장강도가 600MPa 이상이고,
90° 굽힘 가공과 180° 굽힘 가공을 각각 실시한 후의 각 시험편의 굴곡 가공부의 외면 상에서, 레이저 현미경을 이용하여, 굽힘의 축 방향에 대하여 수직인 방향으로 측정한 높이 프로파일로써, 굽힘 주름 혹은 크랙의 깊이를 M(㎛), 판 두께를 t(㎛)라 할 때, M/t비가 모두 0.2이하인 것을 특징으로 하는 구리 합금 판재. - 제1항 또는 제2항에 있어서,
도전율이 35∼80%IACS이고, 압연 평행 방향의 종탄성계수가 110∼145GPa인 것을 특징으로 하는 구리 합금 판재. - 제1항 또는 제2항에 있어서,
상기 합금 조성은 Mg: 0.05∼0.5질량%, Cr: 0.05∼0.5질량%, Sn: 0.05∼0.25질량%, Zn: 0.2∼0.6질량%, Zr: 0.05∼0.15질량% 및 Mn: 0.05∼0.25질량%로 구성되는 군으로부터 선택되는 적어도 1종의 성분을 함유하는 것을 특징으로 하는 구리 합금 판재. - 제1항 또는 제2항에 있어서,
상기 압연 평행 방향의 인장강도가 600∼950MPa인 것을 특징으로 하는 구리 합금 판재. - 제1항 또는 제2항에 기재된 구리 합금 판재를 제조하는 방법으로서,
Ni: 0∼4.5질량%, Co: 0∼2.0질량%, Si: 0.2∼1.3질량%, Mg: 0∼0.5질량%, Cr: 0∼0.5질량%, Sn: 0∼0.25질량%, Zn: 0∼0.6질량%, Zr: 0∼0.15질량% 및 Mn: 0∼0.25질량%를 함유하고, Ni 및 Co의 합계 함유량이 0.8∼5.0질량%이며, 또한, Si 함유량에 대한 Ni 및 Co의 합계 함유량의 비 {(Ni+Co)/Si}가 2.0∼6.0인 합금 조성을 갖는 구리 합금 소재에,
주조[공정 1], 균질화 열처리[공정 2], 열간 압연[공정 3], 냉각[공정 4], 면삭[공정 5], 제1 냉간 압연[공정 6], 용체화 열처리[공정 7], 시효 석출 열처리[공정 8], 제2 냉간 압연[공정 9], 텐션 어닐[공정 10], 제3 냉간 압연[공정 11] 및 최종 소둔[공정 12]을 차례로 실시하고,
상기 텐션 어닐[공정 10]은 도달 온도가 200∼450℃이며, 또한 150MPa 이상의 응력을 부여하는 조건에서 연속 소둔하는 것을 특징으로 하는 구리 합금 판재의 제조 방법. - 제1항 또는 제2항에 기재된 구리 합금 판재를 사용한 전기 전자기기용 방열 부품.
- 제1항 또는 제2항에 기재된 구리 합금 판재를 사용한 실드 케이스.
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JPS6043448A (ja) * | 1983-08-16 | 1985-03-08 | Kobe Steel Ltd | 端子・コネクター用銅合金の製造方法 |
KR0157257B1 (ko) * | 1995-12-08 | 1998-11-16 | 정훈보 | 석출물 성장 억제형 고강도, 고전도성 동합금 및 그 제조방법 |
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JP2017160513A (ja) | 2016-03-11 | 2017-09-14 | 古河電気工業株式会社 | 銅合金板材およびその製造方法 |
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