JPS559436A - Composite wire - Google Patents
Composite wireInfo
- Publication number
- JPS559436A JPS559436A JP8209978A JP8209978A JPS559436A JP S559436 A JPS559436 A JP S559436A JP 8209978 A JP8209978 A JP 8209978A JP 8209978 A JP8209978 A JP 8209978A JP S559436 A JPS559436 A JP S559436A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- wire
- composite wire
- diameter
- sealed
- 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
Links
Landscapes
- Non-Insulated Conductors (AREA)
Abstract
PURPOSE: To prevent leak generation when sealed with soft glass by coating the core metal of copper coated Fe-Ni alloy wire with Fe-Ni alloy.
CONSTITUTION: A 6.6mm diameter core wire of copper coated Fe-Ni alloy is inserted into a 50% Fe-Ni alloy tube of 20mm outside diameter and 6mm wall thickness, and they are cold drawn and hot drawn into a composite wire. Being applied cold drawing and intermediate annealing repeatedly, the composite wire is formed into a composite wire of 1mm diameter. By so constructing, the radial and the axial heat expansion coefficients of the core wire are 98×10-7 and 55×10-7cm/cm.°C which are close to that of the Fe-Ni alloy coating film, therefore, leak when sealed with soft glass can be prevented.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8209978A JPS559436A (en) | 1978-07-07 | 1978-07-07 | Composite wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8209978A JPS559436A (en) | 1978-07-07 | 1978-07-07 | Composite wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS559436A true JPS559436A (en) | 1980-01-23 |
Family
ID=13764961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8209978A Pending JPS559436A (en) | 1978-07-07 | 1978-07-07 | Composite wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS559436A (en) |
-
1978
- 1978-07-07 JP JP8209978A patent/JPS559436A/en active Pending
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