GB1233847A - - Google Patents
Info
- Publication number
- GB1233847A GB1233847A GB1233847DA GB1233847A GB 1233847 A GB1233847 A GB 1233847A GB 1233847D A GB1233847D A GB 1233847DA GB 1233847 A GB1233847 A GB 1233847A
- Authority
- GB
- United Kingdom
- Prior art keywords
- steels
- atmosphere
- heat
- hydrogen
- martensitic
- 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
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/76—Adjusting the composition of the atmosphere
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74085068A | 1968-06-28 | 1968-06-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1233847A true GB1233847A (pl) | 1971-06-03 |
Family
ID=24978340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1233847D Expired GB1233847A (pl) | 1968-06-28 | 1969-05-12 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE735024A (pl) |
DE (1) | DE1932382A1 (pl) |
FR (1) | FR2011766A1 (pl) |
GB (1) | GB1233847A (pl) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009149903A1 (de) * | 2008-06-13 | 2009-12-17 | Loi Thermoprocess Gmbh | Verfahren zum hochtemperatur-glühen von kornorientiertem elektroband in einer schutzgasatmospäre in einem wärmebehandlungsofen |
US7867344B2 (en) | 2004-07-15 | 2011-01-11 | Nippon Steel Corporation | Hot pressing method for high strength member using steel sheet and hot pressed parts |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4334938A (en) * | 1980-08-22 | 1982-06-15 | Air Products And Chemicals, Inc. | Inhibited annealing of ferrous metals containing chromium |
DE3826729A1 (de) * | 1988-08-05 | 1990-02-15 | Krauss Maffei Ag | Verfahren zur waermebehandlung eines hochlegierten chromstahls |
FR2660744B1 (fr) * | 1990-04-04 | 1994-03-11 | Air Liquide | Four a cloches. |
-
1969
- 1969-05-12 GB GB1233847D patent/GB1233847A/en not_active Expired
- 1969-06-20 FR FR6920650A patent/FR2011766A1/fr not_active Withdrawn
- 1969-06-23 BE BE735024D patent/BE735024A/xx unknown
- 1969-06-26 DE DE19691932382 patent/DE1932382A1/de active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7867344B2 (en) | 2004-07-15 | 2011-01-11 | Nippon Steel Corporation | Hot pressing method for high strength member using steel sheet and hot pressed parts |
WO2009149903A1 (de) * | 2008-06-13 | 2009-12-17 | Loi Thermoprocess Gmbh | Verfahren zum hochtemperatur-glühen von kornorientiertem elektroband in einer schutzgasatmospäre in einem wärmebehandlungsofen |
Also Published As
Publication number | Publication date |
---|---|
BE735024A (pl) | 1969-12-23 |
DE1932382A1 (de) | 1970-02-05 |
FR2011766A1 (pl) | 1970-03-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |