JPS57155341A - Antiferromagnetic invar type alloy having hexagonal lattice and method for producing the same - Google Patents
Antiferromagnetic invar type alloy having hexagonal lattice and method for producing the sameInfo
- Publication number
- JPS57155341A JPS57155341A JP3787681A JP3787681A JPS57155341A JP S57155341 A JPS57155341 A JP S57155341A JP 3787681 A JP3787681 A JP 3787681A JP 3787681 A JP3787681 A JP 3787681A JP S57155341 A JPS57155341 A JP S57155341A
- Authority
- JP
- Japan
- Prior art keywords
- antiferromagnetic
- article
- produce
- hexagonal lattice
- type alloy
- 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.)
- Granted
Links
Landscapes
- Heat Treatment Of Nonferrous Metals Or Alloys (AREA)
Abstract
PURPOSE: To produce an antiferromagnetic Invar type alloy easy to cut by a method wherein an alloy containing Ge, Cr, Mo, Zn, Co, Be, C, Mn and the like in specified ratios is subjected to a specified heat treatment.
CONSTITUTION: An alloy composition containing, by weight, 20W33% of Ge as the main constituent and 0.01W11% in total of at least one of 0.01W11% of Cr or the like, 0.01W10% of Mo or the like, 0.01W9% of Zn or the like, 0.01W 6% of Co or the like and 0.01W1% of C or the like, with up to 1% of unavoidable impurities and the balance being Mn, is melted at a high temperature of not lower than 870°C and is cast to produce an article of a predetermined shape. Then, the article is homogenized by appropriate heating in the temperature range from 500°C (inclusive) to the melting point (exclusive) for a period of time of 1minW500hr. Then, the article is cooled from a temperature in the range from 500°C (inclusive) to the melting point (exclusive) at a rate of at least 0.7°C/hr to produce a crystalline single phase having hexagonal lattice. The product has a linear expansion coefficient of -8×10-6W+8×10-6 in the temperature range of -50°CW+100°C.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3787681A JPS57155341A (en) | 1981-03-18 | 1981-03-18 | Antiferromagnetic invar type alloy having hexagonal lattice and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3787681A JPS57155341A (en) | 1981-03-18 | 1981-03-18 | Antiferromagnetic invar type alloy having hexagonal lattice and method for producing the same |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9543089A Division JPH01301833A (en) | 1989-04-17 | 1989-04-17 | Hexagonal lattice-type antiferromagnetic inverter alloy and its manufacture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57155341A true JPS57155341A (en) | 1982-09-25 |
| JPH0258334B2 JPH0258334B2 (en) | 1990-12-07 |
Family
ID=12509728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3787681A Granted JPS57155341A (en) | 1981-03-18 | 1981-03-18 | Antiferromagnetic invar type alloy having hexagonal lattice and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57155341A (en) |
-
1981
- 1981-03-18 JP JP3787681A patent/JPS57155341A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0258334B2 (en) | 1990-12-07 |
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