JPS6427715A - Hydraulic extrusion method for large deformation resistant metal and billet for this purpose - Google Patents

Hydraulic extrusion method for large deformation resistant metal and billet for this purpose

Info

Publication number
JPS6427715A
JPS6427715A JP18157587A JP18157587A JPS6427715A JP S6427715 A JPS6427715 A JP S6427715A JP 18157587 A JP18157587 A JP 18157587A JP 18157587 A JP18157587 A JP 18157587A JP S6427715 A JPS6427715 A JP S6427715A
Authority
JP
Japan
Prior art keywords
billet
temp
extrusion
large deformation
deformation resistance
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
JP18157587A
Other languages
Japanese (ja)
Inventor
Sadahiko Sanki
Yasuhiko Miyake
Akinori Ishida
Masahiro Kiyofuji
Akimitsu Kobayashi
Junjiro Nakajima
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.)
Hitachi Cable Ltd
Hitachi Ltd
Original Assignee
Hitachi Cable Ltd
Hitachi 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 Hitachi Cable Ltd, Hitachi Ltd filed Critical Hitachi Cable Ltd
Priority to JP18157587A priority Critical patent/JPS6427715A/en
Publication of JPS6427715A publication Critical patent/JPS6427715A/en
Pending legal-status Critical Current

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  • Extrusion Of Metal (AREA)

Abstract

PURPOSE:To facilitate extrusion of a metal having a large deformation resistance without causing a fire in a pressure medium by coating a low temp. coating material on a billet through a prescribed heat insulating effective layer. CONSTITUTION:The metal having the large deformation resistance, for instance, a billet 1 of titanium material is heated to a high temperature. A copper coating material 2 is coated at once on this titanium billet 1. In this case, a copper foil having a prescribed thickness is wound at the front and rear ends between the billet 1 and the copper coating material 2 to form an air heat insulating effective layer 3 having a uniform clearance. Therefore, a temp. fall of the inner billet is prevented. In this state, it is thrown into a container and worked by the hydraulic extrusion. But, as the external temp. has fallen, when it is brought into contact with the pressure medium of a castol oil, combustion phenomenon does not appear and moreover, the internal titanium is kept at a high temp., the deformation resistance is not increased, so the extrusion is easily performed with a high extrusion ratio.
JP18157587A 1987-07-21 1987-07-21 Hydraulic extrusion method for large deformation resistant metal and billet for this purpose Pending JPS6427715A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18157587A JPS6427715A (en) 1987-07-21 1987-07-21 Hydraulic extrusion method for large deformation resistant metal and billet for this purpose

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18157587A JPS6427715A (en) 1987-07-21 1987-07-21 Hydraulic extrusion method for large deformation resistant metal and billet for this purpose

Publications (1)

Publication Number Publication Date
JPS6427715A true JPS6427715A (en) 1989-01-30

Family

ID=16103201

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18157587A Pending JPS6427715A (en) 1987-07-21 1987-07-21 Hydraulic extrusion method for large deformation resistant metal and billet for this purpose

Country Status (1)

Country Link
JP (1) JPS6427715A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999021667A1 (en) * 1997-10-25 1999-05-06 Gkss-Forschungszentrum Geesthacht Gmbh Device for encapsulating blanks in high-temperature metallic alloys

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999021667A1 (en) * 1997-10-25 1999-05-06 Gkss-Forschungszentrum Geesthacht Gmbh Device for encapsulating blanks in high-temperature metallic alloys

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