JPS6456834A - Manufacture of ti-ni shape memory alloy - Google Patents

Manufacture of ti-ni shape memory alloy

Info

Publication number
JPS6456834A
JPS6456834A JP21333887A JP21333887A JPS6456834A JP S6456834 A JPS6456834 A JP S6456834A JP 21333887 A JP21333887 A JP 21333887A JP 21333887 A JP21333887 A JP 21333887A JP S6456834 A JPS6456834 A JP S6456834A
Authority
JP
Japan
Prior art keywords
cylindrical body
shape memory
metallic cylindrical
powder
memory alloy
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP21333887A
Other languages
Japanese (ja)
Inventor
Teruyuki Murai
Akio Hara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP21333887A priority Critical patent/JPS6456834A/en
Publication of JPS6456834A publication Critical patent/JPS6456834A/en
Pending legal-status Critical Current

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  • Powder Metallurgy (AREA)

Abstract

PURPOSE:To manufacture a highly efficient Ti-Ni shape memory alloy having high density and minimal in oxygen content, by filling a powder mixture consisting of Ti, Ni, and TiH2 into a metallic cylindrical body, heating the above while sucking and evacuating the inside, and then applying extrusion or forging to the above cylindrical body. CONSTITUTION:TIH2 powder is mixed by 0.2-10wt.% with a powdery raw material composed principally of Ti powder and Ni powder. The resulting Ti-Ni-TiH2 powder mixture 4 is filled, in the above state or after compacted, into a metallic cylindrical body 1 in which one end is closed. Subsequently, while sucking and evacuating the inside from another end via a pipe 2 by means of an exhaust pump 3, the metallic cylindrical body is heated to 800-1,200 deg.C. Then, after the generation of hydrogen gas is finished, another end is hermetically sealed. This hermetically sealed metallic cylindrical body 1 is subjected to extrusion or forging in the above heated state, and then, the above metallic cylindrical body 1 is removed. By this method, the Ti-Ni shape memory alloy having high density, uniform composition, and superior shape memory effect, minimal in oxygen content, and excellent in plastic workability and fatigue characteristics can be obtained.
JP21333887A 1987-08-27 1987-08-27 Manufacture of ti-ni shape memory alloy Pending JPS6456834A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21333887A JPS6456834A (en) 1987-08-27 1987-08-27 Manufacture of ti-ni shape memory alloy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21333887A JPS6456834A (en) 1987-08-27 1987-08-27 Manufacture of ti-ni shape memory alloy

Publications (1)

Publication Number Publication Date
JPS6456834A true JPS6456834A (en) 1989-03-03

Family

ID=16637499

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21333887A Pending JPS6456834A (en) 1987-08-27 1987-08-27 Manufacture of ti-ni shape memory alloy

Country Status (1)

Country Link
JP (1) JPS6456834A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104801704A (en) * 2015-03-26 2015-07-29 成都新柯力化工科技有限公司 Shape memory alloy material for three-dimensional printing and preparation method of shape memory alloy material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104801704A (en) * 2015-03-26 2015-07-29 成都新柯力化工科技有限公司 Shape memory alloy material for three-dimensional printing and preparation method of shape memory alloy material

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