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1. WO2020261611 - 快削性銅合金、及び、快削性銅合金の製造方法

公開番号 WO/2020/261611
公開日 30.12.2020
国際出願番号 PCT/JP2019/050255
国際出願日 23.12.2019
IPC
C22C 9/04 2006.1
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
04次に多い成分として亜鉛を含むもの
C22F 1/00 2006.1
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
C22F 1/08 2006.1
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
C21D 8/0226
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
0226Hot rolling
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
C22C 9/04
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
9Alloys based on copper
04with zinc as the next major constituent
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
  • 三菱マテリアル株式会社 MITSUBISHI MATERIALS CORPORATION [JP]/[JP]
発明者
  • 大石 恵一郎 OISHI Keiichiro
  • 須崎 孝一 SUZAKI Kouichi
  • 後藤 弘樹 GOTO Hiroki
代理人
  • 松沼 泰史 MATSUNUMA Yasushi
  • 寺本 光生 TERAMOTO Mitsuo
  • 細川 文広 HOSOKAWA Fumihiro
  • 大浪 一徳 ONAMI Kazunori
優先権情報
2019-11691425.06.2019JP
2019-13014312.07.2019JP
2019-14109631.07.2019JP
2019-16377309.09.2019JP
公開言語 (言語コード) 日本語 (ja)
出願言語 (言語コード) 日本語 (JA)
指定国 (国コード)
発明の名称
(EN) FREE-CUTTING COPPER ALLOY, AND MANUFACTURING METHOD OF FREE-CUTTING COPPER ALLOY
(FR) ALLIAGE DE CUIVRE À DÉCOLLETAGE, ET PROCÉDÉ DE FABRICATION D'ALLIAGE DE CUIVRE À DÉCOLLETAGE
(JA) 快削性銅合金、及び、快削性銅合金の製造方法
要約
(EN) This free-cutting copper alloy comprises Cu: 58.0%-65.0% exclusive, Si: 0.30%-1.30% exclusive, Pb: greater than 0.001% and less than or equal to 0.20%, Bi: greater than 0.020% and less than or equal to 0.10% and P: 0.001%-0.20% exclusive, the remainder being Zn and unavoidable impurities; the total of Fe, Mn, Co and Cr is less than 0.45%, the total of Sn and Al is less than 0.45%, 56.5 ≤ [Cu] - 4.7×[Si] + 0.5×[Pb] + 0.5×[Bi] - 0.5×[P] ≤ 59.5, 0.025 ≤ [Pb] + [Bi] < 0.25, 20 ≤ (α) < 85, 15 < (β) ≤ 80, 0 ≤ (γ) < 5, 8.0 ≤ ([Bi] + [Pb] - 0.002)1/2×10 + ([P] - 0.001)1/2×5 + ((β) - 7)1/2×([Si] - 0.1)1/2×1.2 + (γ)1/2×0.5 ≤ 17.0, 0.9 ≤ ([Bi] + [Pb] - 0.002)1/2×((β) - 7)1/2×([Si]-0.1)1/2 ≤ 4.0, and there are particles containing Bi present in the α phase.
(FR) L'alliage de cuivre à décolletage selon l'invention comprend un taux de Cu : 58,0 % - 65,0 % exclus, Si : 0,30 % - 1,30 % exclus, Pb : supérieur à 0,001 % et inférieur ou égal à 0,20 %, Bi : supérieur à 0,020 % et inférieur ou égal à 0,10 % et P : 0,001 % - 0,20 % exclus, le reste étant du Zn et des impuretés inévitables ; le total de Fe, Mn, Co et Cr est inférieur à 0,45 %, le total de Sn et Al est inférieur à 0,45 %, 56,5 ≤ [Cu] - 4,7 × [Si] + 0,5 × [Pb] + 0,5 × [Bi] - 0,5 × [P] ≤ 59,5, 0,025 ≤ [Pb] + [Bi] < 0,25, 20 ≤ (α) < 85, 15 < (β) ≤ 80, 0 ≤ (γ) < 5, 8,0 ≤ ([Bi] + [Pb] - 0,002)1/2 × 10 + ([P] - 0,001)1/2 × 5 + ((β) - 7)1/2 × ([Si] - 0,1)1/2 × 1,2 + (γ)1/2 × 0,5 ≤ 17,0, 0,9 ≤ ([Bi] + [Pb] - 0,002)1/2 × ((β) - 7)1/2 × ([Si] - 0,1)1/2 ≤ 4,0, et il y a des particules contenant du Bi dans la phase α.
(JA) Cu:58.0%超65.0%未満、Si:0.30%超1.30%未満、Pb:0.001%超0.20%以下、Bi:0.020%超0.10%以下、P:0.001%超0.20%未満を含み、残部がZn及び不可避不純物からなり、Fe,Mn,Co及びCrの合計が0.45%未満、SnとAlの合計が0.45%未満、56.5≦[Cu]-4.7×[Si]+0.5×[Pb]+0.5×[Bi]-0.5×[P]≦59.5、0.025≦[Pb]+[Bi]<0.25、20≦(α)<85、15<(β)≦80、0≦(γ)<5、8.0≦([Bi]+[Pb]-0.002)1/2×10+([P]-0.001)1/2×5+((β)-7)1/2×([Si]-0.1)1/2×1.2+(γ)1/2×0.5≦17.0、0.9≦([Bi]+[Pb]-0.002)1/2×((β)-7)1/2×([Si]-0.1)1/2≦4.0、α相内にBiを含む粒子が存在している快削性銅合金。
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