SG11201507027RA - Oligocrystalline ceramic structures for enhanced shape memory and pseudoelastic effects - Google Patents

Oligocrystalline ceramic structures for enhanced shape memory and pseudoelastic effects

Info

Publication number
SG11201507027RA
SG11201507027RA SG11201507027RA SG11201507027RA SG11201507027RA SG 11201507027R A SG11201507027R A SG 11201507027RA SG 11201507027R A SG11201507027R A SG 11201507027RA SG 11201507027R A SG11201507027R A SG 11201507027RA SG 11201507027R A SG11201507027R A SG 11201507027RA
Authority
SG
Singapore
Prior art keywords
oligocrystalline
shape memory
ceramic structures
enhanced shape
pseudoelastic
Prior art date
Application number
SG11201507027RA
Inventor
Christopher Schuh
Alan Lai
Zehui Du
Original Assignee
Massachusetts Inst Technology
Univ Nanyang Tech
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Massachusetts Inst Technology, Univ Nanyang Tech filed Critical Massachusetts Inst Technology
Publication of SG11201507027RA publication Critical patent/SG11201507027RA/en

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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
    • C04B35/486—Fine ceramics
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
    • C—CHEMISTRY; METALLURGY
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/62227—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres
    • C04B35/62231—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres based on oxide ceramics
    • C04B35/6225—Fibres based on zirconium oxide, e.g. zirconates such as PZT
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/62227—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres
    • C04B35/62231—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres based on oxide ceramics
    • C04B35/62263—Fibres based on magnesium oxide
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    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3229—Cerium oxides or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/76—Crystal structural characteristics, e.g. symmetry
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/78—Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
    • C04B2235/786—Micrometer sized grains, i.e. from 1 to 100 micron
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/94—Products characterised by their shape
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/298—Physical dimension
SG11201507027RA 2013-03-08 2014-03-05 Oligocrystalline ceramic structures for enhanced shape memory and pseudoelastic effects SG11201507027RA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361775446P 2013-03-08 2013-03-08
PCT/US2014/020938 WO2014138316A1 (en) 2013-03-08 2014-03-05 Oligocrystalline ceramic structures for enhanced shape memory and pseudoelastic effects

Publications (1)

Publication Number Publication Date
SG11201507027RA true SG11201507027RA (en) 2015-10-29

Family

ID=50483478

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201507027RA SG11201507027RA (en) 2013-03-08 2014-03-05 Oligocrystalline ceramic structures for enhanced shape memory and pseudoelastic effects

Country Status (3)

Country Link
US (1) US9512039B2 (en)
SG (1) SG11201507027RA (en)
WO (1) WO2014138316A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014007852A1 (en) 2012-07-02 2014-01-09 Massachusetts Institute Of Technology Ceramic structures for enhanced shape memory and pseudoelastic effects
US9548678B2 (en) 2012-07-02 2017-01-17 Massachusetts Institute Of Technology Electric field activation of shape memory ceramics
WO2015073016A1 (en) 2013-11-15 2015-05-21 Massachusetts Institute Of Technology Method for controlling the energy damping of a shape memory alloy with surface roughness
WO2016003540A2 (en) 2014-05-06 2016-01-07 Massachusetts Institute Of Technology Semi-continuous oligocrystalline shape memory alloy wire produced by melt spinning
WO2016168419A1 (en) 2015-04-14 2016-10-20 Amphenol Corporation Electrical connectors
SG11201806162SA (en) * 2016-02-12 2018-08-30 Massachusetts Inst Technology Shape memory ceramic particles and structures formed thereof
WO2021207032A1 (en) * 2020-04-06 2021-10-14 Massachusetts Institute Of Technology Superelastic and shape-memory fe-based wire and direct wire casting thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6027650A (en) 1983-07-21 1985-02-12 日本碍子株式会社 Ceramic shape memory element
US5047373A (en) * 1989-03-24 1991-09-10 Corning Incorporated Ceramic materials exhibiting pseudo-plasticity at room temperature
US5284698A (en) * 1991-09-18 1994-02-08 Rockwell Int'l Corp. Partially stabilized ZrO2 -based laminar ceramic composites
CN1453242A (en) 2002-04-27 2003-11-05 艾默生电气（中国）投资有限公司 Shape memory ceramic and its prepn
JP4660135B2 (en) * 2004-07-26 2011-03-30 第一稀元素化学工業株式会社 Zirconia-based porous body and method for producing the same
EP2307585A2 (en) 2008-07-09 2011-04-13 Massachusetts Institute of Technology Superelastic alloy structural geometry for ultrahigh mechanical damping
WO2014007852A1 (en) 2012-07-02 2014-01-09 Massachusetts Institute Of Technology Ceramic structures for enhanced shape memory and pseudoelastic effects
WO2015073016A1 (en) 2013-11-15 2015-05-21 Massachusetts Institute Of Technology Method for controlling the energy damping of a shape memory alloy with surface roughness
WO2016003540A2 (en) 2014-05-06 2016-01-07 Massachusetts Institute Of Technology Semi-continuous oligocrystalline shape memory alloy wire produced by melt spinning

Also Published As

Publication number Publication date
US20140255693A1 (en) 2014-09-11
WO2014138316A8 (en) 2015-09-24
WO2014138316A1 (en) 2014-09-12
US9512039B2 (en) 2016-12-06

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