JPS55152159A - Preparation of precipitation hardening type alloy - Google Patents
Preparation of precipitation hardening type alloyInfo
- Publication number
- JPS55152159A JPS55152159A JP5950179A JP5950179A JPS55152159A JP S55152159 A JPS55152159 A JP S55152159A JP 5950179 A JP5950179 A JP 5950179A JP 5950179 A JP5950179 A JP 5950179A JP S55152159 A JPS55152159 A JP S55152159A
- Authority
- JP
- Japan
- Prior art keywords
- precipitates
- anisotropy
- precipitation hardening
- hardening type
- temperature
- 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
- 229910045601 alloy Inorganic materials 0.000 title abstract 3
- 239000000956 alloy Substances 0.000 title abstract 3
- 238000004881 precipitation hardening Methods 0.000 title abstract 3
- 238000002360 preparation method Methods 0.000 title 1
- 239000002244 precipitate Substances 0.000 abstract 5
- 230000032683 aging Effects 0.000 abstract 3
- 238000010791 quenching Methods 0.000 abstract 2
- 230000000171 quenching effect Effects 0.000 abstract 2
- 239000006104 solid solution Substances 0.000 abstract 2
- 230000035882 stress Effects 0.000 abstract 2
- 229910000881 Cu alloy Inorganic materials 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 239000005457 ice water Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
Landscapes
- Heat Treatment Of Nonferrous Metals Or Alloys (AREA)
Abstract
PURPOSE: To start a quenching treatment of precipitation hardening type alloy near the lower limit of solid-solution temperature region in order to lower the prcipitation rate if precipitates after cooling, and to facilitate succeeding control of stress and temperature before the next aging treatment, thereafter to ensure preceiptation of anisotropic precipitates.
CONSTITUTION: An Al-3% Cu alloy single crystal is quenched from solid-solution temperature (480, 520 and 560°C) into ice-water. It is left at room temperature for a specified time (0, 10, 60 min) then its (001) axis is loaded with a 4.08kg/mm2 compressive pressure, and is subject to aging treatment in a 150°C oil bath for 5 seconds. The figure shows the anisotropy of precipitates due to stress load aging, indicating that the precipitate is isotropic at a strength ratio of 1, and the higher the strength ratio, the more anisotropy is given. That is, as the quenching temperature gets lower, more of plate-shaped precipitates appears on the (001) face perpendicular to the compressed axis. Accordingly, the process provides a means to produce precipitation hardening type alloys having various properties peculiar to anisotropy precipitated.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5950179A JPS55152159A (en) | 1979-05-15 | 1979-05-15 | Preparation of precipitation hardening type alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5950179A JPS55152159A (en) | 1979-05-15 | 1979-05-15 | Preparation of precipitation hardening type alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55152159A true JPS55152159A (en) | 1980-11-27 |
Family
ID=13115079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5950179A Pending JPS55152159A (en) | 1979-05-15 | 1979-05-15 | Preparation of precipitation hardening type alloy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55152159A (en) |
-
1979
- 1979-05-15 JP JP5950179A patent/JPS55152159A/en active Pending
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