JP6637421B2 - アルミニウム合金鋳造材用の組織微細化剤 - Google Patents
アルミニウム合金鋳造材用の組織微細化剤 Download PDFInfo
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- JP6637421B2 JP6637421B2 JP2016535979A JP2016535979A JP6637421B2 JP 6637421 B2 JP6637421 B2 JP 6637421B2 JP 2016535979 A JP2016535979 A JP 2016535979A JP 2016535979 A JP2016535979 A JP 2016535979A JP 6637421 B2 JP6637421 B2 JP 6637421B2
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- aluminum alloy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
- B22D21/02—Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
- B22D21/04—Casting aluminium or magnesium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/20—Measures not previously mentioned for influencing the grain structure or texture; Selection of compositions therefor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Powder Metallurgy (AREA)
Description
Claims (6)
- アルミニウム合金鋳造用であり、溶融した状態のアルミニウム合金鋳造材に加えるための組織微細化剤であって、
アルミニウム合金鋳造材と同じ組成を有する母相を有し、その母相中に、アルミニウム合金鋳造材の初晶Alを微細化する初晶Al微細化物質と、アルミニウム合金鋳造材の共晶組織を微細化する共晶組織微細化物質と、が含まれており、
前記母相、初晶Al微細化物質及び共晶組織微細化物質が、互いに反応しない状態で組織微細化剤を構成しており、
前記母相に対する初晶Al微細化物質の体積比が11vol%以上30vol%以下であり、
組織微細化剤中の共晶組織微細化物質の割合が50mass%以上70mass%以下である組織微細化剤。 - 初晶Al微細化物質がAl3Ti粒子であり、共晶組織微細化物質がNa、SbあるいはSrのいずれかの元素を含む、請求項1に記載の組織微細化剤。
- 共晶組織微細化物質がフラックスである、請求項2に記載の組織微細化剤。
- 前記母相がAl−Si−Mg合金であり、共晶組織微細化物質がNaフラックスである、請求項3に記載の組織微細化剤。
- アルミニウム合金鋳造用であり、溶融した状態のアルミニウム合金鋳造材に加えるための組織微細化剤の製造方法であって、
アルミニウム合金鋳造材と同じ組成を有する母相物質と、母相物質に対する体積比が11vol%以上30vol%以下の初晶Al微細化物質と、組織微細化剤の全体に対して50mass%以上70mass%以下の共晶組織微細化物質と、を混合して混合粉末を作製する工程と、
前記混合粉末を、9MPa以上50MPa以下、150℃以上550℃以下の環境下で、前記母相、初晶Al微細化物質及び共晶組織微細化物質が互いに反応しない状態で組織微細化剤を構成するように焼結する工程と、を備える製造方法。 - 前記焼結は、放電プラズマ焼結装置で実施される請求項5に記載の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014151393 | 2014-07-25 | ||
JP2014151393 | 2014-07-25 | ||
PCT/JP2015/071033 WO2016013637A1 (ja) | 2014-07-25 | 2015-07-23 | アルミニウム合金鋳造材用の組織微細化剤 |
Publications (2)
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JPWO2016013637A1 JPWO2016013637A1 (ja) | 2017-06-08 |
JP6637421B2 true JP6637421B2 (ja) | 2020-01-29 |
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JP2016535979A Active JP6637421B2 (ja) | 2014-07-25 | 2015-07-23 | アルミニウム合金鋳造材用の組織微細化剤 |
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JP (1) | JP6637421B2 (ja) |
WO (1) | WO2016013637A1 (ja) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102301021A (zh) * | 2009-01-27 | 2011-12-28 | 株式会社大纪铝工业所 | 加压铸造用铝合金及该铝合金的铸件 |
JP5850372B2 (ja) * | 2011-01-25 | 2016-02-03 | 国立大学法人 名古屋工業大学 | 鋳造用結晶粒微細化剤およびその製造方法 |
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- 2015-07-23 WO PCT/JP2015/071033 patent/WO2016013637A1/ja active Application Filing
- 2015-07-23 JP JP2016535979A patent/JP6637421B2/ja active Active
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JPWO2016013637A1 (ja) | 2017-06-08 |
WO2016013637A1 (ja) | 2016-01-28 |
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