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EA033276B1 - Method to produce nanostructured titan-nickel alloy featuring the shape memory effect - Google Patents

Method to produce nanostructured titan-nickel alloy featuring the shape memory effect

Info

Publication number
EA033276B1
EA033276B1 EA201700512A EA201700512A EA033276B1 EA 033276 B1 EA033276 B1 EA 033276B1 EA 201700512 A EA201700512 A EA 201700512A EA 201700512 A EA201700512 A EA 201700512A EA 033276 B1 EA033276 B1 EA 033276B1
Authority
EA
Eurasian Patent Office
Prior art keywords
deformation
titan
shape memory
memory effect
featuring
Prior art date
Application number
EA201700512A
Other languages
Russian (ru)
Other versions
EA201700512A3 (en
EA201700512A2 (en
Inventor
Дмитрий Валерьевич Гундеров
Руслан Зуфарович ВАЛИЕВ
Георгий Иосифович РААБ
Егор Александрович Прокофьев
Анна Александровна Чуракова
Иван Владимирович Ломакин
Original Assignee
Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет" (СПбГУ)
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 Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет" (СПбГУ) filed Critical Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет" (СПбГУ)
Publication of EA201700512A2 publication Critical patent/EA201700512A2/en
Publication of EA201700512A3 publication Critical patent/EA201700512A3/en
Publication of EA033276B1 publication Critical patent/EA033276B1/en

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  • Powder Metallurgy (AREA)
  • Micromachines (AREA)
  • Forging (AREA)

Abstract

The invention relates to the area of deformation and thermal treatment of titan-nickel alloys featuring the shape memory effect and can be used in mechanic engineering, medicine and technology. The method is proposed to produce nanostructured titan-nickel alloys (with grain size below 100 nm) featuring the shape memory effect. The method consists of thermal and mechanical treatment that involves combined deformation and annealing. Deformation is performed in two stages, the first stage consisting of intense plastic deformation by means of Equal Channel Angular Extrusion (ECAE) within the temperature range of 300 – 550°C, the cumulative true deformation ratio (ε) to exceed 4, while the second stage involves a setting deformation with deformation degree of at least 30% at the temperatures of 20 – 300°C; annealing is performed at the temperatures of 200 – 400°C.
EA201700512A 2016-12-06 2017-11-23 Method to produce nanostructured titan-nickel alloy featuring the shape memory effect EA033276B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2016147820A RU2641207C1 (en) 2016-12-06 2016-12-06 METHOD FOR PRODUCING BLANK OF Ti49,3Ni50,7 NANOSTRUCTURED ALLOY WITH SHAPE MEMORY EFFECT

Publications (3)

Publication Number Publication Date
EA201700512A2 EA201700512A2 (en) 2018-06-29
EA201700512A3 EA201700512A3 (en) 2018-09-28
EA033276B1 true EA033276B1 (en) 2019-09-30

Family

ID=62684534

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201700512A EA033276B1 (en) 2016-12-06 2017-11-23 Method to produce nanostructured titan-nickel alloy featuring the shape memory effect

Country Status (2)

Country Link
EA (1) EA033276B1 (en)
RU (1) RU2641207C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2717764C1 (en) * 2019-12-24 2020-03-25 Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" Method of producing volume nanostructured semi-finished products from titanium nickelide-based alloys (versions)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5904062A (en) * 1998-05-11 1999-05-18 The United States Of America As Represented By The Secretary Of The Air Force Equal channel angular extrusion of difficult-to-work alloys
RU2266973C1 (en) * 2004-06-07 2005-12-27 Уфимский государственный авиационный технический университет Method of production of ultra-fine-grained titanium-nickel alloys of memorized-shape effect
RU2503733C1 (en) * 2012-11-14 2014-01-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Уфимский государственный авиационный технический университет" Nanostructured titanium-nickel alloy with shape memory effect and method of making bar thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US639215A (en) * 1899-04-13 1899-12-19 John Craig Horse-breaking apparatus.
JPS58161753A (en) * 1982-03-18 1983-09-26 Kazuhiro Otsuka Manufacture of superelastic ti-ni material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5904062A (en) * 1998-05-11 1999-05-18 The United States Of America As Represented By The Secretary Of The Air Force Equal channel angular extrusion of difficult-to-work alloys
RU2266973C1 (en) * 2004-06-07 2005-12-27 Уфимский государственный авиационный технический университет Method of production of ultra-fine-grained titanium-nickel alloys of memorized-shape effect
RU2503733C1 (en) * 2012-11-14 2014-01-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Уфимский государственный авиационный технический университет" Nanostructured titanium-nickel alloy with shape memory effect and method of making bar thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
СЕМЕНОВА ИРИНА ПЕТРОВНА. Формирование ультрамелкозернистых структур и повышенных механических свойств в малолегированных титановых сплавах комбинированными методами интенсивной пластической деформации. Автореферат на соискание ученой степени, Уфа- 2011б с.7, параграф 4, с.15, параграф 3, с.16, 24, 25, фиг. 6, 7 *

Also Published As

Publication number Publication date
EA201700512A3 (en) 2018-09-28
RU2641207C1 (en) 2018-01-16
EA201700512A2 (en) 2018-06-29

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Legal Events

Date Code Title Description
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KZ KG TJ TM RU