PL289794A1 - Method of nitriding steel workpieces under pressure - Google Patents

Method of nitriding steel workpieces under pressure

Info

Publication number: PL289794A1
Authority: PL; Poland
Prior art keywords: under pressure; steel workpieces; nitriding steel; workpieces under; nitriding
Prior art date: 1990-11-15

Application number

PL28979491A

Original Assignee

Degussa

Priority date (The priority date 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 date listed.)

1990-11-15

Filing date

1991-04-09

Publication date

1992-06-01

1991-04-09 Application filed by Degussa filed Critical Degussa

1992-06-01 Publication of PL289794A1 publication Critical patent/PL289794A1/en

Classifications

- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

PL28979491A 1990-11-15 1991-04-09 Method of nitriding steel workpieces under pressure PL289794A1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19904036381 DE4036381C1 (en)	1990-11-15	1990-11-15

Publications (1)

Publication Number	Publication Date
PL289794A1 true PL289794A1 (en)	1992-06-01

Family

ID=6418307

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PL28979491A PL289794A1 (en)	1990-11-15	1991-04-09	Method of nitriding steel workpieces under pressure

Country Status (9)

Country	Link
EP (1)	EP0485686A1 (en)
JP (1)	JPH076053B2 (en)
BR (1)	BR9101780A (en)
CA (1)	CA2055541A1 (en)
CS (1)	CS336091A3 (en)
DE (1)	DE4036381C1 (en)
PL (1)	PL289794A1 (en)
RU (1)	RU2015197C1 (en)
YU (1)	YU47730B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5292555A (en) *	1990-07-04	1994-03-08	Degussa Aktiengesellschaft	Process for applying nitride layers to titanium
DE4115135C1 (en) *	1991-05-08	1992-02-27	Degussa Ag, 6000 Frankfurt, De
CH690019A5 (en) *	1992-07-16	2000-03-31	Giroflex Entwicklungs Ag	Supporting frame for a chair, in particular for an adjustable in height and tilt office chair.
TW237484B (en) *	1992-09-16	1995-01-01	Daido Oxygen
DE4333917C2 (en) *	1993-10-05	1994-06-23	Hans Prof Dr Ing Berns	Edge embroidery to create a high-strength austenitic surface layer in stainless steels
FR2884879B1 (en) *	2005-04-22	2007-08-03	Stephanois Rech Mec	TORQUE OF GUIDE ARMS WHOSE ONE IS OF PARTICULAR STEEL LEADING TO IMPROVED PERFORMANCE.
CN102994939B (en) *	2013-01-07	2014-08-06	聊城市人和精工轴承有限公司	Vacuum pulse nitriding process used for heat treatment of bearing cage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2779697A (en) *	1955-09-26	1957-01-29	United States Steel Corp	Method of nitriding metallic surfaces
FR1319729A (en) *	1962-04-12	1963-03-01	P I M Prodotti Per L Ind Metal	Method and furnace for gas phase treatment, carburizing, nitriding and the like on metal parts
GB1510158A (en) *	1976-07-09	1978-05-10	Rolls Royce Motors Ltd	Nitriding of steel
GB2055404B (en) *	1979-06-26	1983-02-16	Lucas Industries Ltd	Gas nitriding steel

1990
- 1990-11-15 DE DE19904036381 patent/DE4036381C1/de not_active Expired - Lifetime
1991
- 1991-03-16 EP EP91104103A patent/EP0485686A1/en not_active Ceased
- 1991-03-22 YU YU50691A patent/YU47730B/en unknown
- 1991-04-09 PL PL28979491A patent/PL289794A1/en unknown
- 1991-05-03 BR BR9101780A patent/BR9101780A/en not_active Application Discontinuation
- 1991-11-06 CS CS913360A patent/CS336091A3/en unknown
- 1991-11-12 JP JP29545091A patent/JPH076053B2/en not_active Expired - Fee Related
- 1991-11-14 RU SU5001982 patent/RU2015197C1/en active
- 1991-11-14 CA CA 2055541 patent/CA2055541A1/en not_active Abandoned

Also Published As

Publication number	Publication date
CA2055541A1 (en)	1992-05-16
JPH04268063A (en)	1992-09-24
YU47730B (en)	1996-01-08
CS336091A3 (en)	1992-06-17
YU50691A (en)	1993-11-16
EP0485686A1 (en)	1992-05-20
DE4036381C1 (en)	1991-08-14
JPH076053B2 (en)	1995-01-25
RU2015197C1 (en)	1994-06-30
BR9101780A (en)	1992-06-23

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