KR101032126B1 - 가공성이 우수한 고 Al 함유 강판 및 그 제조 방법 - Google Patents
가공성이 우수한 고 Al 함유 강판 및 그 제조 방법 Download PDFInfo
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- KR101032126B1 KR101032126B1 KR1020077010969A KR20077010969A KR101032126B1 KR 101032126 B1 KR101032126 B1 KR 101032126B1 KR 1020077010969 A KR1020077010969 A KR 1020077010969A KR 20077010969 A KR20077010969 A KR 20077010969A KR 101032126 B1 KR101032126 B1 KR 101032126B1
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 59
- 230000001747 exhibiting effect Effects 0.000 title 1
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 186
- 239000010959 steel Substances 0.000 claims abstract description 186
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 90
- 239000002184 metal Substances 0.000 claims abstract description 90
- 239000013078 crystal Substances 0.000 claims abstract description 10
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 86
- 238000009792 diffusion process Methods 0.000 claims description 77
- 229910000838 Al alloy Inorganic materials 0.000 claims description 58
- 238000005097 cold rolling Methods 0.000 claims description 54
- 238000000034 method Methods 0.000 claims description 47
- 230000009467 reduction Effects 0.000 claims description 45
- 230000010354 integration Effects 0.000 claims description 42
- 229910052782 aluminium Inorganic materials 0.000 claims description 37
- 239000003054 catalyst Substances 0.000 claims description 16
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 238000005219 brazing Methods 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 238000005482 strain hardening Methods 0.000 claims description 2
- 238000005246 galvanizing Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 23
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
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- 230000000052 comparative effect Effects 0.000 description 11
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- 238000005452 bending Methods 0.000 description 7
- 238000009864 tensile test Methods 0.000 description 7
- 238000002441 X-ray diffraction Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000009628 steelmaking Methods 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 238000005098 hot rolling Methods 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000969 carrier Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 229910052746 lanthanum Inorganic materials 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 229910002060 Fe-Cr-Al alloy Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000011978 dissolution method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000219122 Cucurbita Species 0.000 description 1
- 235000009852 Cucurbita pepo Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 238000007567 mass-production technique Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005480 shot peening Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
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- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
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Abstract
Description
구분 |
예비 열처리 온도/℃ |
평가 파단 연신율/% |
면 집적도(%) |
|
{222} | {200} | |||
본 발명예 62 | - | 12 | 72 | 0.8 |
본 발명예 63 | 650 | 13 | 73 | 0.7 |
본 발명예 64 | 700 | 16 | 79 | 0.15 |
본 발명예 65 | 800 | 23 | 83 | 0.08 |
본 발명예 66 | 900 | 22 | 85 | 0.06 |
본 발명예 67 | 1100 | 20 | 80 | 0.15 |
본 발명예 68 | 1200 | ※19 | 80 | 0.18 |
Claims (37)
- Al 함유량이 6.5 질량% 이상, 1O 질량% 이하의 고 Al 함유 강판으로서, 강판면에 대한 α-Fe 결정의 {222}면 집적도가 79% 이상, 95% 이하 또는 {200}면 집적도가 0.01% 이상, 1.8% 이하 중의 한쪽 또는 양쪽 모두인 것을 특징으로 하는 가공성이 우수한 고 Al 함유 강판.
- 제1항에 있어서, 강판 두께가 0.015 mm 이상, 0.4 mm 이하인 것을 특징으로 하는 가공성이 우수한 고 Al 함유 강판.
- Al 함유량이 6.5 질량% 이상, 10 질량% 이하, 강판 두께가 0.005 mm 이상, 0.1 mm 이하의 고 Al 함유 금속박으로서, 강판면에 대한 α-Fe 결정의 {222}면 집적도가 79% 이상, 95% 이하 또는 {200}면 집적도가 0.01% 이상, 1.8% 이하 중의 한쪽 또는 양쪽 모두인 것을 특징으로 하는 고 Al 함유 금속박.
- 금속박의 평박 및 파박을 포개어 감아서 이루어지는 허니콤 구조체로서, 상기 금속박의 일부가 적어도 제3항에 기재된 고 Al 함유 금속박인 것을 특징으로 하는 허니콤 구조체.
- 제4항에 기재된 허니콤 구조체와 금속제 외통을 납땜하여 이루어지는 메탈 담체.
- 제4항에 기재된 허니콤 구조체를 금속제 외통과 납땜한 후, 촉매층을 담지하여 이루어지는 메탈 담체.
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- Al을 3.5 질량% 이상, 6.5 질량% 미만 함유하는 모재 강판에 미리 예비 열처리를 실시한 후에, 적어도 한쪽 면에 Al 또는 Al 합금을 부착시켜 Al을 6.5 질량% 이상, 10 질량% 이하를 함유하는 적층체로 하고, 상기 적층체에 냉간에서 가공 변형을 부여하고 나서 확산 열처리를 하여, 강판면에 대한 α-Fe 결정의 {222}면 집적도가 79% 이상, 95% 이하 또는 {200}면 집적도가 0.01% 이상, 1.8% 이하 중의 한쪽 또는 양쪽 모두가 되도록 제어하는 것을 특징으로 하는 가공성이 우수한 고 Al 함유 강판의 제조 방법.
- 제23항에 있어서, 상기 Al 또는 Al 합금의 부착 방법이 강판에의 Al 또는 Al 합금 용융 도금법인 것을 특징으로 하는 가공성이 우수한 고 Al 함유 강판의 제조 방법.
- 제23항에 있어서, 상기 Al 또는 Al 합금의 부착 방법이 강판에의 Al 또는 Al 합금 박을 부착하는 방법인 것을 특징으로 하는 가공성이 우수한 고 Al 함유 강판의 제조 방법.
- 제23항에 있어서, 상기 냉간에서의 가공 변형 부여 방법이 냉간 압연인 것을 특징으로 하는 가공성이 우수한 고 Al 함유 강판의 제조 방법.
- 제26항에 있어서, 상기 냉간 압연에 있어서 적층체의 압하율 α(%)가 아래의 식 (a) 내지 (c)의 관계를 만족하는 범위인 것을 특징으로 하는 가공성이 우수한 고 Al 함유 강판의 제조 방법.20≤α≤95 ‥‥(a)35x-260≤α ‥‥(b)6.5≤x ‥‥(c)(여기서, x는 확산 열처리 후의 강판의 평균 Al 농도(질량%)이다.)
- 제26항 또는 제27항에 있어서, 상기 냉간 압연 후의 적층체 두께 t(mm)가 아래의 식 (d) 내지 (f)의 관계를 만족하는 범위인 것을 특징으로 하는 가공성이 우수한 고 Al 함유 강판의 제조 방법.0.015≤t≤0.4 ‥‥(d)t≤-0.128x+1.298 ‥‥(e)6.5≤x ‥‥(f)(여기서, x는 확산 열처리 후의 강판의 평균 Al 농도(질량%)이다.)
- 제23항에 있어서, 상기 확산 열처리의 온도가 800 내지 1250℃인 것을 특징으로 하는 가공성이 우수한 고 Al 함유 강판의 제조 방법.
- 제29항에 있어서, 상기 확산 열처리의 분위기가 비산화성 분위기인 것을 특징으로 하는 가공성이 우수한 고 Al 함유 강판의 제조 방법.
- 제23항에 있어서, 상기 예비 열처리의 온도가 700 내지 1100℃인 것을 특징으로 하는 가공성이 우수한 고 Al 함유 강판의 제조 방법.
- 제31항에 있어서, 상기 예비 열처리의 분위기가 진공 중, 불활성 가스 분위기 중 또는 수소 분위기 중 적어도 어느 하나인 것을 특징으로 하는 가공성이 우수한 고 Al 함유 강판의 제조 방법.
- 제23항에 기재된 제조 방법으로 얻어진 고 Al 함유 강판을 추가로 냉간 압연하는 것을 특징으로 하는 고 Al 함유 금속박의 제조 방법.
- 제33항에 기재된 제조 방법으로 얻어진 금속박에 있어서, 상기 박 두께가 5~100㎛인 것을 특징으로 하는 고 Al 함유 금속박.
- 금속박의 평박 및 파박을 포개어 감아서 이루어지는 허니콤 구조체로서, 상기 금속박의 일부가 제34항에 기재된 고 Al 함유 금속박인 것을 특징으로 하는 허니콤 구조체.
- 제35항에 기재된 허니콤 구조체와 금속제 외통을 납땜하여 이루어지는 메탈 담체.
- 제35항에 기재된 허니콤 구조체를 금속제 외통과 납땜한 후, 촉매층을 담지하여 이루어지는 메탈 담체.
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JP2005292063A JP5062985B2 (ja) | 2004-10-21 | 2005-10-05 | 加工性に優れた高Al含有鋼板及びその製造方法 |
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US20090022636A1 (en) | 2009-01-22 |
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RU2355788C2 (ru) | 2009-05-20 |
TWI323746B (en) | 2010-04-21 |
RU2007118630A (ru) | 2008-11-27 |
KR20070057283A (ko) | 2007-06-04 |
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