RU2013115735A - METHOD OF COMBINED INTENSIVE PLASTIC DEFORMATION OF PREPARATIONS - Google Patents
METHOD OF COMBINED INTENSIVE PLASTIC DEFORMATION OF PREPARATIONS Download PDFInfo
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- RU2013115735A RU2013115735A RU2013115735/02A RU2013115735A RU2013115735A RU 2013115735 A RU2013115735 A RU 2013115735A RU 2013115735/02 A RU2013115735/02 A RU 2013115735/02A RU 2013115735 A RU2013115735 A RU 2013115735A RU 2013115735 A RU2013115735 A RU 2013115735A
- Authority
- RU
- Russia
- Prior art keywords
- deformation
- workpiece
- plastic deformation
- torsion
- grain size
- Prior art date
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- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Forging (AREA)
- Powder Metallurgy (AREA)
Abstract
1. Способ комбинированной интенсивной пластической деформации заготовок, включающий деформацию кручением и равноканальное угловое прессование, отличающийся тем, что деформацию кручением осуществляют после равноканального углового прессования, при котором в цилиндрической заготовке формируют ультрамелкозернистую структуру с размером зерна 200-300 нм, затем заготовку разрезают на диски, а каждый диск подвергают интенсивной пластической деформации кручением при помощи двух вращающихся бойков - верхнего и нижнего, причем деформацию кручением проводят при комнатной температуре под давлением 4-6 ГПа при количестве оборотов бойков n≤2 с обеспечением формирования однородной нанокристаллической структуры в заготовке с размером зерна ≤100 нм.2. Способ по п.1, отличающийся тем, что на поверхности нижнего бойка выполнена канавка.1. The method of combined intensive plastic deformation of preforms, including torsion deformation and equal channel angular pressing, characterized in that the torsion deformation is carried out after equal channel angular pressing, in which an ultrafine-grained structure with a grain size of 200-300 nm is formed in a cylindrical workpiece, then the workpiece is cut into disks , and each disk is subjected to intense plastic deformation by torsion using two rotating strikers - the upper and lower, and the deformation is steeper they are carried out at room temperature under a pressure of 4-6 GPa at a number of striker revolutions n≤2 with the formation of a homogeneous nanocrystalline structure in the workpiece with a grain size of ≤100 nm. 2. The method according to claim 1, characterized in that a groove is made on the surface of the lower striker.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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RU2013115735/02A RU2529604C1 (en) | 2013-04-08 | 2013-04-08 | Method of combined intense plastic deformation of workpieces |
Applications Claiming Priority (1)
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RU2013115735/02A RU2529604C1 (en) | 2013-04-08 | 2013-04-08 | Method of combined intense plastic deformation of workpieces |
Publications (2)
Publication Number | Publication Date |
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RU2529604C1 RU2529604C1 (en) | 2014-09-27 |
RU2013115735A true RU2013115735A (en) | 2014-10-27 |
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RU2013115735/02A RU2529604C1 (en) | 2013-04-08 | 2013-04-08 | Method of combined intense plastic deformation of workpieces |
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RU (1) | RU2529604C1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2628594C2 (en) * | 2015-11-24 | 2017-08-21 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет" (СПбГУ) | METHOD TO INCREASE ADHESION STRENGTH OF TiN AND (Ti+V)N COATING TO TITANIUM ALLOY VT-6 BACKPLATE |
RU2716612C1 (en) | 2019-07-29 | 2020-03-13 | федеральное государственное бюджетное образовательное учреждение высшего образования "Тольяттинский государственный университет" | Method for hybrid treatment of magnesium alloys |
RU2709416C1 (en) * | 2019-10-14 | 2019-12-17 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" | Method of processing technically pure titanium by high plastic deformation |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2188091C2 (en) * | 2000-07-13 | 2002-08-27 | Уфимский государственный авиационный технический университет | Apparatus for plastic working of materials |
RU2240197C1 (en) * | 2003-07-22 | 2004-11-20 | Уфимский государственный авиационный технический университет | Method for combination type intensified plastic deformation of blanks |
GB0506091D0 (en) * | 2005-03-24 | 2005-05-04 | Univ Strathclyde | Severe plastic deformation of metals |
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2013
- 2013-04-08 RU RU2013115735/02A patent/RU2529604C1/en not_active IP Right Cessation
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RU2529604C1 (en) | 2014-09-27 |
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MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20150409 |