JPS55112164A - Bonding method of powder molding - Google Patents
Bonding method of powder moldingInfo
- Publication number
- JPS55112164A JPS55112164A JP1781879A JP1781879A JPS55112164A JP S55112164 A JPS55112164 A JP S55112164A JP 1781879 A JP1781879 A JP 1781879A JP 1781879 A JP1781879 A JP 1781879A JP S55112164 A JPS55112164 A JP S55112164A
- Authority
- JP
- Japan
- Prior art keywords
- powder molding
- surface layer
- pores
- specified
- brazing material
- 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
- 238000000465 moulding Methods 0.000 title abstract 5
- 239000000843 powder Substances 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 3
- 238000005219 brazing Methods 0.000 abstract 5
- 239000002344 surface layer Substances 0.000 abstract 5
- 239000000463 material Substances 0.000 abstract 4
- 239000011148 porous material Substances 0.000 abstract 3
- 230000013011 mating Effects 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000003566 sealing material Substances 0.000 abstract 1
Landscapes
- Powder Metallurgy (AREA)
Abstract
PURPOSE: To surely braze moldings to themselves or to other molten products without using any special materials by exerting external force to the surface of the powder molding to crush the pores of the surface layer then performing brazing to the mating product in the specified atmosphere.
CONSTITUTION: External pressure by a mechanical technique is exterted to the faying surface of a powder molding 1 to crush the pores 3 of the surface layer region, whereby a dense surface layer 4 is formed. This surface layer is contacted and assembled to the mating product 5 of powder molding or molten product having undergone the similar treatment, thence the specified brazing material 6 is placed along the boundary portions of the contact. This is then put into a heating furnace or the like and is heated to the specified brazing temperature in a reducing or inert atmosphere. According to this method, the dense surface layers 4 act as sealing materials for the brazing material 6, by which the phenomenon that the brazing material 6 infiltrates the inside pores 2 owing to capillarity is prevented and the both products are surely brazed.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1781879A JPS55112164A (en) | 1979-02-20 | 1979-02-20 | Bonding method of powder molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1781879A JPS55112164A (en) | 1979-02-20 | 1979-02-20 | Bonding method of powder molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55112164A true JPS55112164A (en) | 1980-08-29 |
Family
ID=11954305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1781879A Pending JPS55112164A (en) | 1979-02-20 | 1979-02-20 | Bonding method of powder molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55112164A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012157383A1 (en) * | 2011-05-16 | 2012-11-22 | Ntn株式会社 | Oil seal member and method for manufacturing same |
-
1979
- 1979-02-20 JP JP1781879A patent/JPS55112164A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012157383A1 (en) * | 2011-05-16 | 2012-11-22 | Ntn株式会社 | Oil seal member and method for manufacturing same |
| JP2012241729A (en) * | 2011-05-16 | 2012-12-10 | Ntn Corp | Oil seal member and method of manufacturing the same |
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