JPS5716142A - Aluminum-containing bearing alloy - Google Patents
Aluminum-containing bearing alloyInfo
- Publication number
- JPS5716142A JPS5716142A JP8422981A JP8422981A JPS5716142A JP S5716142 A JPS5716142 A JP S5716142A JP 8422981 A JP8422981 A JP 8422981A JP 8422981 A JP8422981 A JP 8422981A JP S5716142 A JPS5716142 A JP S5716142A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- solid solution
- intermetallic compound
- solution limit
- metal
- 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
- Sliding-Contact Bearings (AREA)
Abstract
PURPOSE: To contrive the improvement of fatigue strength and hardness of the Al-Sn bearing alloy and the maintenance of high temperature-hardness of the alloy, by adding a metal element having a specific solid solution limit to Al and a specific decomposition temperature of an intermetallic compound with Al to the alloy.
CONSTITUTION: An element having the maximum solid solution limit of a Al side- solid solution of 0.3atom% or more and having a decomposition temperature of an intermetallic compound with Al of the melting point of Al or higher is added to an Al alloy containing 30wt% or less Sn or Sn. As such a metal, Li, Ca, Cr, etc. are mentioned. The addition amount of the metal is determined considering the solid solution limit of it to Al and so that the appropriate deposition amount of its intermetallic compound with Al can be obtained by a heat treatment, but the addition amount need be more than the solid solution limit of it at a normal temperature. The metal element is completely solid solubilized in Al when the alloy is molten, and with the state maintained, the alloy is rapidly cooled. The above-mentioned pulverized intermetallic compound is deposited uniformly in the grain interface of Al by a heat treatment after the rapid cooling. The deposit is not resolubilized into Al and prevents the movement of the Al grain boundaries and also the coarsening of Sn grains.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8422981A JPS5716142A (en) | 1981-06-01 | 1981-06-01 | Aluminum-containing bearing alloy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8422981A JPS5716142A (en) | 1981-06-01 | 1981-06-01 | Aluminum-containing bearing alloy |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8545178A Division JPS5514822A (en) | 1978-07-13 | 1978-07-13 | Aluminum base bearing alloy and manufacture thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5716142A true JPS5716142A (en) | 1982-01-27 |
Family
ID=13824639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8422981A Pending JPS5716142A (en) | 1981-06-01 | 1981-06-01 | Aluminum-containing bearing alloy |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5716142A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE257868C (en) * |
-
1981
- 1981-06-01 JP JP8422981A patent/JPS5716142A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE257868C (en) * |
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