WO2002086178A1 - Alliage amorphe a base de cu-be - Google Patents
Alliage amorphe a base de cu-be Download PDFInfo
- Publication number
- WO2002086178A1 WO2002086178A1 PCT/JP2001/010808 JP0110808W WO02086178A1 WO 2002086178 A1 WO2002086178 A1 WO 2002086178A1 JP 0110808 W JP0110808 W JP 0110808W WO 02086178 A1 WO02086178 A1 WO 02086178A1
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- WO
- WIPO (PCT)
- Prior art keywords
- alloy
- atomic
- amorphous alloy
- amorphous
- formula
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C45/00—Amorphous alloys
- C22C45/001—Amorphous alloys with Cu as the major constituent
Definitions
- the present invention relates to a Cu-Be-based amorphous alloy having high amorphous forming ability and excellent mechanical properties and workability.
- the Cu-Be alloy is an age-hardenable copper alloy obtained by adding beryllium to copper.
- the alloy containing 2% of Be has a tensile strength of about 0.5 GPa after solution treatment. Age hardening gives a high strength of 1.5 GPa. It also has excellent corrosion resistance, and this 2% Be alloy is widely used as a high-performance, high-reliability spring in the electronics and communication equipment fields. It is also used as a plastic mold and a safety tool that does not generate sparks due to impact. Alloys containing less than 1% of Be are used as high conductivity alloys.
- the above-mentioned conventional Cu_Be crystalline alloy can obtain a Balta alloy, but has lower strength than an amorphous alloy. Also, viscous fluid superplastic processing cannot be performed.
- a specific alloy system exhibits a supercooled liquid state that allows viscous flow plastic working before crystallization. In such a supercooled liquid region, an amorphous alloy formed body having an arbitrary shape can be produced by plastic working.
- a Balta-like amorphous alloy can be produced by a mold manufacturing method.
- the present invention has a wide supercooled liquid region and a large converted vitrification temperature (Tg / Tm), exhibits high thermal stability against crystallization, and has a large amorphous forming ability.
- the aim is to provide a Cu-Be-based amorphous alloy with an amorphous phase volume fraction of 50% or more, which has excellent mechanical properties and excellent workability. (Means for solving the problem)
- the present inventors in order to solve the above-mentioned problems, as a result of searching for the purpose of providing a metallic glass material capable of forming Balta metallic glass, Cu-Be-ZrTi-Hf-based alloy, A supercooled liquid region of 25 K or more, an amorphous alloy rod of 1 mm or more can be obtained, and a Cu-Be-based alloy with large amorphous forming ability, high strength, high elasticity, and excellent workability. They have found that a crystalline alloy can be obtained, and have completed the present invention.
- the present invention has the formula: C uioo- a - bB e a (Zri- X- yH f xT i y) b [ wherein, a, b are atomic. /. Where 0 ⁇ a ⁇ 20, 20 ⁇ b ⁇ 40, x, y are atomic fractions, 0 ⁇ x ⁇ 1, It is a Cu-Be based amorphous alloy having a composition represented by 0 ⁇ y ⁇ 0.8] and containing an amorphous phase in a volume fraction of 50% or more.
- the present invention has the formula: C uioo- a _bB e a - in (Zri- x y H f xT i y) b [ wherein, a, b are atomic 0 /. Where a ⁇ 10, 30 ⁇ b ⁇ 40, x, y are atomic fractions and have the composition indicated by O x ⁇ l, 0 ⁇ y ⁇ 0.8], and the volume of the amorphous phase Cu-Be based amorphous alloy containing 50% or more by weight.
- the present invention has the formula: Cuioo-abo-dB e " Z r i- x - y H f X T i y) bMcTd [ wherein, M is, F e, C r, Mn , N i, C o , Nb, Mo, W, Sn, Al, Ta, or one or more elements selected from the group consisting of rare earth elements, T is from Ag, Pd, Pt, Au One or more elements selected from the group consisting of: a, b, c, d are atomic%, 0 ⁇ a ⁇ 20, 20 ⁇ b ⁇ 40, 0 ⁇ c ⁇ 5, 0 ⁇ d ⁇ 1 O s x, y is the atomic fraction and has the composition shown by O x ⁇ l, 0 ⁇ y ⁇ 0.8].
- a B e based amorphous alloy the present invention has the formula: Cuioo- a- b- c- dB e a in (Z r preparative X- yHf xT iy) bMcTd [wherein, M is F e, One or more elements selected from the group consisting of Cr, Mn, Ni, Co, Nb, Mo, W, Sn, Al, Ta, or a rare earth element; g, Pd, Pt, or one selected from the group consisting of Au Two or more elements der Ri, a, b, c, d in atomic 0/0, 5 rather a ⁇ l O, 30 ⁇ b ⁇ 40, 0 ⁇ c ⁇ 5, 0 ⁇ d ⁇ 10, x, y is an atomic fraction, having a composition represented by 0 ⁇ x ⁇ l, O y ⁇ 0.8], and a volume fraction of the amorphous phase of 50./. It is an amorphous alloy.
- the alloy of the present invention which was manufactured by a copper mold, has a remarkable glass Heat generation due to the transition and crystallization was observed, and it was found that metallic glass could be produced by the copper mold manufacturing method.
- the amorphous alloy of the present invention can produce a metallic glass lump having a diameter of 1. ⁇ mm or more. Outside the range of the alloy composition of the present invention, the glass forming ability is inferior, and crystal nuclei are generated and grown during the solidification process from the molten metal, resulting in a structure in which the crystal phase is mixed with the glass phase. Also, when the composition deviates greatly from the above composition range, a glass phase cannot be obtained and a crystal phase is formed.
- T g indicates the glass transition temperature.
- T X is 25 K or more.
- the alloy of the present invention has Tg / Tm (where Tm indicates the melting temperature of the alloy).
- the alloy of the present invention has a large critical thickness for obtaining an amorphous single-phase structure, a diameter or a thickness of 1 mm or more, and a volume fraction of an amorphous phase of 50% or more, particularly 9
- the ⁇ supercooled liquid region '' in this specification is defined as the difference between the glass transition temperature and the crystallization onset temperature obtained by performing differential scanning calorimetry at a heating rate of 4 OK per minute. is there.
- the “supercooled liquid region” is a resistance to crystallization, that is, a material exhibiting the thermal stability of amorphous, the ability to form amorphous, and the workability.
- the alloy of the present invention is 30
- converted vitrification temperature in the description refers to the glass transition temperature (Tg) and the melting temperature of the alloy obtained by thermal analysis performed using differential calorimetry (dTa) at a heating rate of 5 K per minute. (Tm). “Conversion vitrification temperature” is a value indicating the ability to form an amorphous phase.
- Zr, Hf, or Ti is a basic element forming an amorphous phase.
- Zr is 0 atom% or more and 40 atoms. / 0 or less, preferably 20 atomic% or more and 30 atomic% or less.
- H f is 0 to 40 atomic%, preferably 20 to 30 atomic%.
- Ti is 0 atom% or more and 32 atom ° / 0 or less, preferably 10 atom% or more and 20 atom% or less.
- the total amount of Z r, H f, or T i is at least 20 at% and at most 40 at%. Their total content is 20 atom% or less, 40 atom. If it exceeds / 0 , a bulk material cannot be obtained because the ability to form an amorphous phase is reduced. More preferably, it is 30 atom% or more and 40 atom% or less.
- Be is an element that improves the ability to form an amorphous phase and improves the strength of the obtained amorphous alloy. You. 20 atoms. If the ratio exceeds / 0 , the ability to form an amorphous phase is reduced. More preferably, it is 5 atomic% or more and 10 atomic% or less.
- Cu may be replaced by Ag, Pd, Au, or Pt up to 10 atoms 0 / o, and substitution will slightly increase the size of the supercooled liquid region, If it exceeds 10 atomic%, the supercooled liquid region becomes less than 25 K, and the ability to form an amorphous phase is reduced.
- the Cu-based amorphous alloy of the present invention is cooled and solidified from a molten state by various methods such as a known single-roll method, twin-roll method, spinning in a rotating liquid, and atomizing method to obtain a ribbon, filament, A powdery amorphous alloy can be obtained.
- the Cu-based amorphous alloy of the present invention has a large amorphous forming ability, not only the above-mentioned known manufacturing method but also a method of filling a molten metal into a mold to form a bulk metal having an arbitrary shape. A crystalline alloy can be obtained.
- a master alloy prepared to have the alloy composition of the present invention is melted in a quartz tube in an argon atmosphere, and then the molten metal is 0.5 to 1.5 kg.
- -An amorphous alloy lump can be obtained by filling and solidifying in a copper mold with an ejection pressure of f / cm 2 . Further, manufacturing methods such as a die casting method and a quiz casting method can be applied.
- the amorphous alloy containing Be of each example can easily obtain an amorphous alloy rod having a diameter of 1 mm or more, and further, an amorphous alloy rod having a diameter of 3 mm or more.
- a high quality alloy rod is also obtained and has a compressive rupture strength (crf) of 220 OMPa or more.
- the Cu—Be-based amorphous alloy composition of the present invention As described above, according to the Cu—Be-based amorphous alloy composition of the present invention, a rod-shaped sample having a diameter (thickness) of 1 mm or more can be easily manufactured by a mold manufacturing method. These amorphous alloys have a supercooled liquid region with a temperature interval of 25 mm or more and have high strength. From these facts, the present invention can provide a practically useful Cu—Be-based amorphous alloy having both large amorphous forming ability, excellent mechanical properties, and excellent workability. it can.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Continuous Casting (AREA)
- Conductive Materials (AREA)
- Soft Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60122214T DE60122214T2 (de) | 2001-04-19 | 2001-12-10 | Amorphe legierung auf cu-be-basis |
US10/344,004 US7056394B2 (en) | 2001-04-19 | 2001-12-10 | Cu-Be base amorphous alloy |
EP01274159A EP1380664B1 (en) | 2001-04-19 | 2001-12-10 | Cu-be base amorphous alloy |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001-121266 | 2001-04-19 | ||
JP2001121266 | 2001-04-19 | ||
JP2001-264370 | 2001-08-31 | ||
JP2001264370A JP3860445B2 (ja) | 2001-04-19 | 2001-08-31 | Cu−Be基非晶質合金 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002086178A1 true WO2002086178A1 (fr) | 2002-10-31 |
Family
ID=26613844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/010808 WO2002086178A1 (fr) | 2001-04-19 | 2001-12-10 | Alliage amorphe a base de cu-be |
Country Status (5)
Country | Link |
---|---|
US (1) | US7056394B2 (ja) |
EP (1) | EP1380664B1 (ja) |
JP (1) | JP3860445B2 (ja) |
DE (1) | DE60122214T2 (ja) |
WO (1) | WO2002086178A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113322421A (zh) * | 2021-05-28 | 2021-08-31 | 大连理工大学 | 一种非晶基复合材料及其制备方法 |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3963802B2 (ja) * | 2002-08-30 | 2007-08-22 | 独立行政法人科学技術振興機構 | Cu基非晶質合金 |
JP4666588B2 (ja) * | 2005-02-25 | 2011-04-06 | 国立大学法人群馬大学 | 導体パターン形成方法および導体パターン |
JP4633580B2 (ja) * | 2005-08-31 | 2011-02-16 | 独立行政法人科学技術振興機構 | Cu−(Hf、Zr)−Ag金属ガラス合金。 |
US7872022B2 (en) * | 2006-04-03 | 2011-01-18 | Hoffmann-La Roche Inc. | Serotonin transporter (SERT) inhibitors for the treatment of depression and anxiety |
JP5566877B2 (ja) * | 2007-04-06 | 2014-08-06 | カリフォルニア インスティテュート オブ テクノロジー | バルク金属ガラスマトリクス複合体の半溶融加工 |
JP5110470B2 (ja) * | 2008-03-25 | 2012-12-26 | 国立大学法人東北大学 | Ti−Zr−Cu−Pd−Sn金属ガラス合金 |
EP2325848B1 (en) | 2009-11-11 | 2017-07-19 | Samsung Electronics Co., Ltd. | Conductive paste and solar cell |
KR101741683B1 (ko) | 2010-08-05 | 2017-05-31 | 삼성전자주식회사 | 도전성 페이스트, 상기 도전성 페이스트를 사용하여 형성된 전극을 포함하는 전자 소자 및 태양 전지 |
US8668847B2 (en) | 2010-08-13 | 2014-03-11 | Samsung Electronics Co., Ltd. | Conductive paste and electronic device and solar cell including an electrode formed using the conductive paste |
US8987586B2 (en) | 2010-08-13 | 2015-03-24 | Samsung Electronics Co., Ltd. | Conductive paste and electronic device and solar cell including an electrode formed using the conductive paste |
EP2448003A3 (en) | 2010-10-27 | 2012-08-08 | Samsung Electronics Co., Ltd. | Conductive paste comprising a conductive powder and a metallic glass for forming a solar cell electrode |
US9105370B2 (en) | 2011-01-12 | 2015-08-11 | Samsung Electronics Co., Ltd. | Conductive paste, and electronic device and solar cell including an electrode formed using the same |
US8940195B2 (en) | 2011-01-13 | 2015-01-27 | Samsung Electronics Co., Ltd. | Conductive paste, and electronic device and solar cell including an electrode formed using the same |
KR101910015B1 (ko) | 2017-02-06 | 2018-10-19 | (주)엠티에이 | 높은 열전도성의 철-구리 합금 및 그 제조방법 |
CN109023158B (zh) * | 2017-06-08 | 2020-04-24 | 比亚迪股份有限公司 | 铜基非晶合金及其制备方法和手机 |
KR102116004B1 (ko) | 2018-08-03 | 2020-05-27 | (주)엠티에이 | 다양한 형상의 탄소체 성장용 금형 및 이를 이용한 탄소체 성장방법 |
KR20180113487A (ko) | 2018-10-08 | 2018-10-16 | (주)엠티에이 | 높은 열전도성의 철-구리 합금 및 그 제조방법 |
KR102578486B1 (ko) | 2021-11-09 | 2023-09-14 | (주)엠티에이 | 그물망구조를 가지는 철-구리 합금 및 그 제조방법 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59126739A (ja) * | 1983-01-11 | 1984-07-21 | Ikuo Okamoto | ろう付け用液体急冷合金箔帯 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5368659A (en) | 1993-04-07 | 1994-11-29 | California Institute Of Technology | Method of forming berryllium bearing metallic glass |
US5618359A (en) | 1995-02-08 | 1997-04-08 | California Institute Of Technology | Metallic glass alloys of Zr, Ti, Cu and Ni |
GB2325414B (en) * | 1995-12-04 | 1999-05-26 | Amorphous Technologies Interna | Golf club made of a bulk-solidifying amorphous metal |
JP4011316B2 (ja) | 2000-12-27 | 2007-11-21 | 独立行政法人科学技術振興機構 | Cu基非晶質合金 |
-
2001
- 2001-08-31 JP JP2001264370A patent/JP3860445B2/ja not_active Expired - Fee Related
- 2001-12-10 EP EP01274159A patent/EP1380664B1/en not_active Expired - Lifetime
- 2001-12-10 US US10/344,004 patent/US7056394B2/en not_active Expired - Fee Related
- 2001-12-10 DE DE60122214T patent/DE60122214T2/de not_active Expired - Lifetime
- 2001-12-10 WO PCT/JP2001/010808 patent/WO2002086178A1/ja active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59126739A (ja) * | 1983-01-11 | 1984-07-21 | Ikuo Okamoto | ろう付け用液体急冷合金箔帯 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113322421A (zh) * | 2021-05-28 | 2021-08-31 | 大连理工大学 | 一种非晶基复合材料及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
DE60122214D1 (de) | 2006-09-21 |
EP1380664A4 (en) | 2004-06-16 |
US20040099348A1 (en) | 2004-05-27 |
EP1380664A1 (en) | 2004-01-14 |
JP2003003246A (ja) | 2003-01-08 |
DE60122214T2 (de) | 2007-08-23 |
JP3860445B2 (ja) | 2006-12-20 |
US7056394B2 (en) | 2006-06-06 |
EP1380664B1 (en) | 2006-08-09 |
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