WO2004022811A1 - Cu基非晶質合金 - Google Patents
Cu基非晶質合金 Download PDFInfo
- Publication number
- WO2004022811A1 WO2004022811A1 PCT/JP2003/007460 JP0307460W WO2004022811A1 WO 2004022811 A1 WO2004022811 A1 WO 2004022811A1 JP 0307460 W JP0307460 W JP 0307460W WO 2004022811 A1 WO2004022811 A1 WO 2004022811A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- atomic
- amorphous
- alloy
- amorphous alloy
- temperature
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/11—Making amorphous alloys
Definitions
- the present invention relates to a Cu-based amorphous alloy having a large Cu content and having excellent amorphous forming ability and excellent mechanical properties.
- Amorphous alloy ribbons can be produced by various methods such as single-roll method, twin-roll method, spinning in rotating liquid, and atomizing method, which can provide high quenching rate.
- Many amorphous alloys have been obtained for, Co, Zr, Ni, Pd, or Cu based alloys, and the unique properties of amorphous alloys, such as excellent mechanical properties and high corrosion resistance, have been obtained. It has been revealed.
- C u the base amorphous alloy mainly, binary Cu-Ti, Cu-Zr s or ternary Cu-Ni- Zr, Cu - Ag- RE, Cu- Ni- P, Cu-Ag -Research has been conducted on P or Cu-Mg-RE. Since these Cu-based amorphous alloys have low glass-forming ability, only a ribbon-like, powder-like, fine-wire-like amorphous alloy can be obtained by the liquid quenching method. And because they did not exhibit high thermal stability and were difficult to process into the final product shape, their applications were quite limited in industrial terms.
- amorphous alloys that show a glass transition and have a wide supercooled liquid region and a large converted vitrification temperature (Tg /) have high stability against crystallization and have a large amorphous forming ability.
- Tg / converted vitrification temperature
- an alloy having a wide supercooled liquid region and a large converted vitrification temperature (Tg / Tl) has a large amorphous forming ability and excellent workability.
- Patent Document 3 developed Hf-Ti amorphous alloy and applied for a patent.
- Patent Document 1 JP-A-09-209966
- Patent Document 2 Japanese Patent Application Laid-Open No. H11-6-12889
- Patent Document 3 WO 0 2/0 5 3 7 9 1 A 1 Disclosure of the invention
- Cu-Hf_Ti or Cu_Zr_Hf-Ti amorphous alloys have larger ⁇ than Cu-Zr_Ti amorphous alloys, but Hf metal is considerably more expensive than Zr metal and is not practical.
- the present invention provides a glass-forming ability greater than that of Cu-Zr-Ti or Cu_Hf-Ti amorphous alloys without containing a large amount of Ti as in the aforementioned Cu-based amorphous alloy,
- An object of the present invention is to provide a Cu-based amorphous alloy having workability and excellent mechanical properties.
- the present inventors have studied the optimum composition of a Cu-based amorphous alloy in order to solve the above-mentioned problems.As a result, an alloy having a specific composition of Zr and / or Hf and A1 and / or Ga, and the balance Cu Is melted and rapidly solidified from a liquid state to obtain a rod (plate material) of an amorphous phase with a diameter (thickness) of 1 mm or more that shows a supercooled liquid area ⁇ of 45 K or more.
- the present inventors have found that a Cu-based amorphous alloy having both formability, excellent workability, and excellent mechanical properties can be obtained, and have completed the present invention.
- the present invention provides a compound represented by the formula: Cuioo-ab (Zr, Hf) a (Al, Ga) b wherein a and b are atoms ° / 0 and 35 atomic% ⁇ a ⁇ 50 atoms ° / 0 , 2 atom% ⁇ b ⁇ 10 atom. / 0 ].
- a supercooled liquid region represented by the following formula: ATx Tx-Tg (where Tx is the crystallization onset temperature and Tg is the glass transition temperature).
- a bar or plate with a temperature interval ⁇ of 45 K or more, a diameter or thickness of lmm or more, and a volume ratio of an amorphous phase of 90% or more can be obtained by a mold manufacturing method, and a compressive strength of 1900 MPa or more.
- the present invention provides a compound represented by the formula: Cuioo-ab (Zr, Hf) a (Al, Ga) bM c TdQe wherein M is Fe, Ni, Co, Ti, Cr, V, Nb, Mo, One or more elements selected from the group consisting of Ta, W, Be, or rare earth elements; T is one or more elements selected from the group consisting of 66, ⁇ ⁇ 3: 1, and 8 elements; Two or more elements, Q is eight? 4?
- Temperature interval ⁇ is 45 5 or more, bars or plates with a diameter or thickness of 1 mm or more and a volume ratio of amorphous phase of 90% or more can be obtained by mold fabrication method, and compressive strength of 1900 MPa or more
- (Zr, Hf) means Zr and / or Hf
- (Al, Ga) means A1 and / or Ga. Therefore, the above formula: ( ⁇ 100- 3 _1 5 (2 :, 1 «) 3 ⁇ 1,63) 1 5 is specifically any one of the following.
- the term “supercooled liquid region” in this specification is defined as the difference between the glass transition temperature and the crystallization temperature obtained by performing differential scanning calorimetry at a heating rate of 4 OK per minute. .
- the “supercooled liquid region” is a numerical value indicating the resistance to crystallization, that is, the stability and workability of the amorphous.
- the alloy of the present invention has a supercooled liquid region Tx of 45 K or more.
- the “converted vitrification temperature” is a glass transition temperature.
- FIG. 1 is a graph showing a DSC curve of an amorphous bulk material in a Cu—Zr—Al-based ternary alloy.
- FIG. 2 is a graph showing an X-ray diffraction pattern of an amorphous bulk material in a Cu—Zr—A1-based ternary alloy.
- FIG. 3 is a graph showing a stress-strain curve obtained by a compression test of a Cu—Zr—A1 amorphous alloy bulk material having a diameter of 2 mm.
- BEST MODE FOR CARRYING OUT THE INVENTION BEST MODE FOR CARRYING OUT THE INVENTION
- Zr and Hf are basic elements for forming an amorphous phase.
- the amounts of Zr and Hf are 35 atomic% or more and 50 atomic% or less, and more preferably 40 atomic% or more and 45 atomic% or less.
- Zr and Hf content is 35 atoms. /. If it is above, ⁇ ⁇ ⁇ ⁇ will be 45 k or more, and workability will be improved. In particular, when the amount of Zr is 40 atomic% or more, ⁇ is 5 OK or more.
- the Al and Ga elements are the basic elements of the alloy of the present invention, and are particularly effective in greatly increasing the ability of the Cu_ (Zr, Hf) -based alloy to form an amorphous phase.
- Al and Ga elements are 2 atoms. / 0 to 10 atomic%, more preferably 2.5 to 9 atomic%.
- the amount of Cu is 40 atomic% or more and less than 63 atomic%. If the amount of Cu is less than 40 atomic%, the glass forming ability and strength are reduced. When the amount of Cu exceeds 63 atomic%, the temperature interval ⁇ in the supercooled liquid region decreases, and the glass forming ability decreases. A more preferred range is from 50 at% to 60 at%.
- the sum of the amounts of Zr, Hf and Cu is more than 90 atomic% and 98 atomic. / 0 or less. If it is less than 90 atomic%, desired mechanical properties cannot be obtained. If the content exceeds 98 atomic%, Al and Ga, which are elements that enhance the ability to form an amorphous phase, become insufficient, and the ability to form a glass decreases. A more preferred range is from 91 atomic% to 97.5 atomic ° / 0 .
- the addition of a small amount of Fe, Ni, Co, Ti, Cr, V, Nb, Mo, Ta, W or rare earth elements to the above basic alloy composition is effective for improving the strength, but the ability to form amorphous If added, the content should be 5 atomic% or less.
- the addition of the elements of Ag, Pd, Au, and Pt up to 5 atomic% increases the width of the supercooled liquid region, but if it exceeds 5 atomic%, the amorphous forming ability decreases, so it is added. In this case, it is set to 5 atomic% or less.
- the total amount of these additional elements and Al and Ga elements, that is, b + c + d + e in the above composition formula is 15 atomic% or less, and more preferably 10 atomic atoms. / 0 or less. If the total amount exceeds 15 atomic%, a decrease in the glass forming ability becomes an undesirable degree.
- 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, atomizing method, and the like.
- a powdery amorphous solid can be obtained.
- the Cu-based amorphous alloy of the present invention has a large amorphous forming ability, not only the above-mentioned known production method but also a method of filling a mold with a molten metal to form a non-metal having an arbitrary shape.
- a crystalline alloy can also be obtained.
- it was melted in argon down atmosphere alloy in a quartz tube, copper molten metal at from 0.5 to 1. Of 5 K g ⁇ f Z cm 2 jetting pressure
- an amorphous alloy lump can be obtained.
- manufacturing methods such as a die casting method and a squeeze casting method can be applied.
- the volume ratio (Vf-amo.) Of the amorphous phase contained in the sample was calculated as follows: DSC The evaluation was made by comparing with. Table 1 shows the results of these evaluations. Furthermore, a compression test piece was prepared, and a compression test was performed using an installation-type tester to evaluate the compression strength (af) and the Young's modulus (E). In addition, Vickers hardness (Hv) was measured. Table 2 shows the evaluation results.
- FIG. 1 shows a DSC curve of an amorphous bulk material of a Cu—Zr—A1 alloy.
- FIG. 2 shows an X-ray diffraction pattern.
- Fig. 3 shows the stress-strain curve of the compression test of the amorphous Balta material of the Cu-Zr-Al alloy.
- the amorphous alloys of the respective examples have a large ⁇ of 5% or more in Cu-Hf or Cu-Zr-Hf amorphous alloys, and even in Cu_Zr amorphous alloys.
- ⁇ was 45 ° or more, indicating a reduced vitrification temperature of 0.57 or more, and an amorphous alloy rod having a diameter of l mm was easily obtained.
- the alloys of Comparative Examples 1-2 have (Al, Ga) of 10 atomic ° / 0 , but (Zr, Hf) of less than 35 atomic%, and have a large glass forming ability. As a result, a rod-shaped amorphous alloy having a diameter of l mm could not be obtained.
- the alloy of Comparative Example 3 had a Ni content exceeding 5 atomic%, had no large glass-forming ability, and could not obtain a rod-shaped amorphous alloy having a diameter of l mm.
- no elementary element (Zr, Hf) was present, and a rod-shaped amorphous alloy having a diameter of lmm could not be obtained.
- the basic elements (Al, Ga) were not present, and rod-shaped amorphous alloys having a diameter of 1 mm were obtained. Yes, does not have good workability.
- the alloys of Comparative Examples 7 and 8 have a Zr of 35 atomic% or more and a supercooled liquid region of 45 K or more, but have good workability but low compressive strength.
- the amorphous alloys of the examples have a minimum compressive rupture strength (af: MPa) of 1921 and a maximum of 2412 and a hardness (Vickers hardness at room temperature: Hv). ) Is 546 at the minimum and 891 at the maximum, Young's modulus (E: Gpa) is 103 at the minimum and 140 at the maximum, and the compressive rupture strength of more than 190 OMPa, 5 It can be seen that Vickers hardness of 100 Hv or more and Young's modulus of 100 GPa or more are exhibited. Industrial applicability
- a rod-shaped sample having a size of 1 mm or more can be easily produced by a mold manufacturing method.
- These amorphous alloys have a supercooled liquid region of 45 K or more, and have high strength and high Young's modulus. From these facts, it is possible to provide a practically useful Cu-based amorphous alloy having both large amorphous forming ability, excellent workability, and excellent mechanical properties.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Continuous Casting (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03736165A EP1548143B1 (en) | 2002-08-30 | 2003-06-12 | Copper-base amorphous alloy |
DE60313879T DE60313879T2 (de) | 2002-08-30 | 2003-06-12 | Amorphe legierung auf kupfer-basis |
US10/525,738 US7399370B2 (en) | 2002-08-30 | 2003-06-12 | Cu-base amorphous alloy |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-255529 | 2002-08-30 | ||
JP2002255529A JP3963802B2 (ja) | 2002-08-30 | 2002-08-30 | Cu基非晶質合金 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004022811A1 true WO2004022811A1 (ja) | 2004-03-18 |
Family
ID=31972891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/007460 WO2004022811A1 (ja) | 2002-08-30 | 2003-06-12 | Cu基非晶質合金 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7399370B2 (ja) |
EP (1) | EP1548143B1 (ja) |
JP (1) | JP3963802B2 (ja) |
DE (1) | DE60313879T2 (ja) |
WO (1) | WO2004022811A1 (ja) |
Cited By (1)
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CN1332056C (zh) * | 2005-06-07 | 2007-08-15 | 山东大学 | 一种铜基非晶合金及其制备工艺 |
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US8828155B2 (en) | 2002-12-20 | 2014-09-09 | Crucible Intellectual Property, Llc | Bulk solidifying amorphous alloys with improved mechanical properties |
JP2005171333A (ja) * | 2003-12-12 | 2005-06-30 | Dainatsukusu:Kk | 金属ガラス合金 |
JP2006252854A (ja) * | 2005-03-09 | 2006-09-21 | Dainatsukusu:Kk | 金属ガラスセパレータの製造方法 |
KR100701027B1 (ko) * | 2005-04-19 | 2007-03-29 | 연세대학교 산학협력단 | 연성이 우수한 단일상 비정질 합금 |
US7872022B2 (en) * | 2006-04-03 | 2011-01-18 | Hoffmann-La Roche Inc. | Serotonin transporter (SERT) inhibitors for the treatment of depression and anxiety |
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 |
CN104451464A (zh) * | 2014-12-29 | 2015-03-25 | 东莞台一盈拓科技股份有限公司 | 一种非晶合金眼镜架及眼镜及制备方法 |
CN106947923A (zh) * | 2016-09-26 | 2017-07-14 | 天津大学 | 一种可作为涂层材料的黄铜基非晶合金及其制备方法 |
RU2649480C1 (ru) * | 2016-12-23 | 2018-04-03 | Юлия Алексеевна Щепочкина | Сплав на основе меди |
CN106893951B (zh) * | 2017-03-08 | 2019-02-01 | 黑龙江科技大学 | 铜基块体非晶合金复合材料及其制备方法 |
CN107604270B (zh) * | 2017-11-08 | 2020-05-19 | 湖南理工学院 | 一种Cu-Zr-Ti-Fe-C块体非晶合金及其制备工艺 |
EP3542925A1 (de) * | 2018-03-20 | 2019-09-25 | Heraeus Additive Manufacturing GmbH | Herstellung eines metallischen massivglas-kompositmaterials mittels pulverbasierter, additiver fertigung |
WO2020223162A1 (en) * | 2019-04-30 | 2020-11-05 | Oregon State University | Cu-based bulk metallic glasses in the cu-zr-hf-al and related systems |
CN110172649B (zh) * | 2019-06-25 | 2020-11-27 | 同济大学 | 一种块体铜基非晶合金及其制备方法 |
CN111719107B (zh) * | 2020-06-03 | 2021-07-30 | 河海大学 | 一种螺旋桨叶片用抗空蚀耐腐蚀防污材料及其制备方法 |
CN113564579B (zh) * | 2021-07-06 | 2022-10-28 | 燕山大学 | 一种利用激光熔覆制备铜基非晶复合涂层的方法 |
CN113862584B (zh) * | 2021-12-02 | 2022-04-08 | 武汉中维创发工业研究院有限公司 | 仿金合金及其制备方法和应用 |
Citations (3)
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JPH0920968A (ja) * | 1995-06-30 | 1997-01-21 | Res Inst Electric Magnetic Alloys | Cu基非磁性金属ガラス合金およびその製造法ならびに弾性作動体 |
WO2000026425A1 (fr) * | 1998-10-30 | 2000-05-11 | Japan Science And Technology Corporation | Alliage amorphe de zirconium a haute resistance et tenacite elevee |
WO2002053791A1 (fr) * | 2000-12-27 | 2002-07-11 | Japan Science And Technology Corporation | Alliage amorphe à base de cuivre |
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JPH07122120B2 (ja) * | 1989-11-17 | 1995-12-25 | 健 増本 | 加工性に優れた非晶質合金 |
JPH07188877A (ja) * | 1993-12-28 | 1995-07-25 | Takeshi Masumoto | 生体用非晶質合金 |
JPH08199318A (ja) * | 1995-01-25 | 1996-08-06 | Res Dev Corp Of Japan | 金型で鋳造成形された棒状又は筒状のZr系非晶質合金及び製造方法 |
US5980652A (en) * | 1996-05-21 | 1999-11-09 | Research Developement Corporation Of Japan | Rod-shaped or tubular amorphous Zr alloy made by die casting and method for manufacturing said amorphous Zr alloy |
JP4283907B2 (ja) | 1997-08-13 | 2009-06-24 | 財団法人電気磁気材料研究所 | ゲージ率が大きく高強度で高耐食性を有するストレーンゲージ用非磁性金属ガラス合金およびその製造法 |
JP3860445B2 (ja) * | 2001-04-19 | 2006-12-20 | 独立行政法人科学技術振興機構 | Cu−Be基非晶質合金 |
-
2002
- 2002-08-30 JP JP2002255529A patent/JP3963802B2/ja not_active Expired - Fee Related
-
2003
- 2003-06-12 US US10/525,738 patent/US7399370B2/en not_active Expired - Fee Related
- 2003-06-12 DE DE60313879T patent/DE60313879T2/de not_active Expired - Lifetime
- 2003-06-12 WO PCT/JP2003/007460 patent/WO2004022811A1/ja active IP Right Grant
- 2003-06-12 EP EP03736165A patent/EP1548143B1/en not_active Expired - Fee Related
Patent Citations (3)
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JPH0920968A (ja) * | 1995-06-30 | 1997-01-21 | Res Inst Electric Magnetic Alloys | Cu基非磁性金属ガラス合金およびその製造法ならびに弾性作動体 |
WO2000026425A1 (fr) * | 1998-10-30 | 2000-05-11 | Japan Science And Technology Corporation | Alliage amorphe de zirconium a haute resistance et tenacite elevee |
WO2002053791A1 (fr) * | 2000-12-27 | 2002-07-11 | Japan Science And Technology Corporation | Alliage amorphe à base de cuivre |
Non-Patent Citations (1)
Title |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1332056C (zh) * | 2005-06-07 | 2007-08-15 | 山东大学 | 一种铜基非晶合金及其制备工艺 |
Also Published As
Publication number | Publication date |
---|---|
EP1548143B1 (en) | 2007-05-16 |
EP1548143A4 (en) | 2006-03-22 |
EP1548143A1 (en) | 2005-06-29 |
US20060144475A1 (en) | 2006-07-06 |
JP3963802B2 (ja) | 2007-08-22 |
DE60313879T2 (de) | 2007-09-06 |
US7399370B2 (en) | 2008-07-15 |
DE60313879D1 (de) | 2007-06-28 |
JP2004091868A (ja) | 2004-03-25 |
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