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1. KR1020210080590 - 쾌삭성 구리 합금, 및 쾌삭성 구리 합금의 제조 방법

官庁
大韓民国
出願番号 1020217019120
出願日 11.12.2019
公開番号 1020210080590
公開日 30.06.2021
特許番号 102305301
特許付与日 24.09.2021
公報種別 B1
IPC
C22C 9/10
C化学;冶金
22冶金;鉄または非鉄合金;合金の処理または非鉄金属の処理
C合金
9銅基合金
10次に多い成分としてけい素を含むもの
C21D 8/02
C化学;冶金
21鉄冶金
D鉄系金属の物理的構造の改良;鉄系もしくは非鉄系金属または合金の熱処理用の一般的装置;脱炭,焼もどし,または他の処理による金属の可鍛化
8熱処理と結合した変形あるいは後に熱処理を伴う変形による物理的性質の改良
02板あるいはストリップの製造中におけるもの
C22F 1/08
C化学;冶金
22冶金;鉄または非鉄合金;合金の処理または非鉄金属の処理
F非鉄金属または非鉄合金の物理的構造の変化
1非鉄金属または合金の熱処理によるか熱間または冷間加工による物理的構造の変化
08銅または銅基合金
CPC
C22C 9/10
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
9Alloys based on copper
10with silicon as the next major constituent
C21D 8/0221
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING 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
8Modifying the physical properties by deformation combined with, or followed by, heat treatment
02during manufacturing of plates or strips
0221characterised by the working steps
C21D 8/0273
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING 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
8Modifying the physical properties by deformation combined with, or followed by, heat treatment
02during manufacturing of plates or strips
0247characterised by the heat treatment
0273Final recrystallisation annealing
C22F 1/08
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
1Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
08of copper or alloys based thereon
出願人 미쓰비시 마테리알 가부시키가이샤
発明者 오이시 게이이치로
스자키 고우이치
고토 히로키
代理人 특허법인코리아나
優先権情報 JP-P-2019-116914 25.06.2019 JP
JP-P-2019-130143 12.07.2019 JP
JP-P-2019-141096 31.07.2019 JP
JP-P-2019-163773 09.09.2019 JP
発明の名称
(KO) 쾌삭성 구리 합금, 및 쾌삭성 구리 합금의 제조 방법
要約
(KO) 열간 가공성이 우수하여, 강도가 높고, 강도와 연성의 밸런스, 및 인성이 우수하여, 납의 함유량을 큰 폭으로 감소시킨 쾌삭성 구리 합금, 및 쾌삭성 구리 합금의 제조 방법을 제공한다. Cu, Si, Pb, P를 포함하고, 잔부가 Zn 및 불가피 불순물로 이루어지며, Fe, Mn, Co 및 Cr의 합계량이 0.40% 미만, Sn과 Al의 합계량이 0.40% 미만이고, 56.5≤f1=[Cu]-4.5×[Si]+0.5×[Pb]-[P]≤59.5의 관계를 가지며, 금속 조직의 구성상은, 20≤(α)≤80, 15≤(β)≤80, 0≤(γ)<8, 18×(γ)/(β)<9, 20≤(γ)×3+(β)×([Si])≤88, 33≤(γ)×3+(β)×([Si])+([Pb])×35+([P])×15의 관계를 갖고, β상 내에 P를 포함하는 화합물이 존재한다. 1/2 1/2 1/2 1/2 1/2 1/2
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