GB666676A - Improvements relating to the production of shaped bodies of ferrous metals infiltrated with a cuprous infiltrant - Google Patents
Improvements relating to the production of shaped bodies of ferrous metals infiltrated with a cuprous infiltrantInfo
- Publication number
- GB666676A GB666676A GB26123/49A GB2612349A GB666676A GB 666676 A GB666676 A GB 666676A GB 26123/49 A GB26123/49 A GB 26123/49A GB 2612349 A GB2612349 A GB 2612349A GB 666676 A GB666676 A GB 666676A
- Authority
- GB
- United Kingdom
- Prior art keywords
- infiltrant
- cuprous
- skeleton
- per cent
- ferrous
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0242—Making ferrous alloys by powder metallurgy using the impregnating technique
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
A method of producing a metal article having a porous skeleton of compacted ferrous particles infiltrated with a cuprous infiltrant and containing less than 0.25 per cent of carbon, comprises heating the ferrous skeleton and cuprous infiltrant at a temperature between approximately 1,100 DEG C and 1,250 DEG C to melt the infiltrant and fill the pores of the skeleton therewith, maintaining the resulting body at a temperature above the melting point of the infiltrant and below that of the skeleton for approximately 1-6 hours to cause diffusion between the infiltrant and skeleton and penetration of the ferrous particles substantially completely by constituents of the infiltrant, cooling at a rate to soften the body for further shaping and reheating to cause diffused infiltrant to precipitate and thereby to strengthen the body. The body may then be solution treated at or above about 840 DEG C and precipitation hardened at 300 DEG -600 DEG C. The ferrous powder used to form the matrix may contain alloying constituents such as Cr, Mn, W. Ta, V, Ti, Si, Al, Cu, Ni and/or Co. The cuprous infiltrant may have the composition Cu 90 per cent, Fe 2 per cent, Mn 8 per cent. The production of parts for jet-propulsion turbines is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US666676XA | 1948-10-14 | 1948-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB666676A true GB666676A (en) | 1952-02-13 |
Family
ID=22070931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB26123/49A Expired GB666676A (en) | 1948-10-14 | 1949-10-11 | Improvements relating to the production of shaped bodies of ferrous metals infiltrated with a cuprous infiltrant |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB666676A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115433973A (en) * | 2022-05-26 | 2022-12-06 | 四川轻化工大学 | Preparation method of TC4 alloy surface silicide gradient composite infiltration layer |
-
1949
- 1949-10-11 GB GB26123/49A patent/GB666676A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115433973A (en) * | 2022-05-26 | 2022-12-06 | 四川轻化工大学 | Preparation method of TC4 alloy surface silicide gradient composite infiltration layer |
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