IT8149552A0 - Procedimento per trattamento termico di cementazione ad alta temperatura con atmosfera cementante prodotta in situ tempra diretta rinvenimento alle estremita' e distensione totale di boccole per catenarie di trattori o mezzi cingolati - Google Patents
Procedimento per trattamento termico di cementazione ad alta temperatura con atmosfera cementante prodotta in situ tempra diretta rinvenimento alle estremita' e distensione totale di boccole per catenarie di trattori o mezzi cingolatiInfo
- Publication number
- IT8149552A0 IT8149552A0 IT8149552A IT4955281A IT8149552A0 IT 8149552 A0 IT8149552 A0 IT 8149552A0 IT 8149552 A IT8149552 A IT 8149552A IT 4955281 A IT4955281 A IT 4955281A IT 8149552 A0 IT8149552 A0 IT 8149552A0
- Authority
- IT
- Italy
- Prior art keywords
- cementing
- bushings
- tractor
- procedure
- heat treatment
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000005496 tempering Methods 0.000 title 1
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
- C23C8/80—After-treatment
-
- 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
- C21D1/78—Combined heat-treatments not provided for above
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
- C21D9/14—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes wear-resistant or pressure-resistant pipes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Heat Treatment Of Articles (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT49552/81A IT1171606B (it) | 1981-10-23 | 1981-10-23 | Procedimento per trattamento termico di cementazione ad alta temperatura con atmosfera cementante prodotta in situ tempra diretta rinvenimento alle estremita' di distensione totale di boccole per catenarie di trattori o mezzi cingolati |
EP82830210A EP0079864B1 (en) | 1981-10-23 | 1982-07-21 | Process for high-temperature carburizing treatment of track bushes for tractors or tracked vehicles, with carburizing atmosphere produced in situ, direct quenching, annealing at ends and total stress relieving |
DE8282830210T DE3277732D1 (en) | 1981-10-23 | 1982-07-21 | Process for high-temperature carburizing treatment of track bushes for tractors or tracked vehicles, with carburizing atmosphere produced in situ, direct quenching, annealing at ends and total stress relieving |
BR8206000A BR8206000A (pt) | 1981-10-23 | 1982-10-14 | Processo para producao de buchas para lagartas de veiculos de esteira |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT49552/81A IT1171606B (it) | 1981-10-23 | 1981-10-23 | Procedimento per trattamento termico di cementazione ad alta temperatura con atmosfera cementante prodotta in situ tempra diretta rinvenimento alle estremita' di distensione totale di boccole per catenarie di trattori o mezzi cingolati |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8149552A0 true IT8149552A0 (it) | 1981-10-23 |
IT1171606B IT1171606B (it) | 1987-06-10 |
Family
ID=11271005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49552/81A IT1171606B (it) | 1981-10-23 | 1981-10-23 | Procedimento per trattamento termico di cementazione ad alta temperatura con atmosfera cementante prodotta in situ tempra diretta rinvenimento alle estremita' di distensione totale di boccole per catenarie di trattori o mezzi cingolati |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0079864B1 (it) |
BR (1) | BR8206000A (it) |
DE (1) | DE3277732D1 (it) |
IT (1) | IT1171606B (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60138065A (ja) * | 1983-12-27 | 1985-07-22 | Chugai Ro Kogyo Kaisha Ltd | ガス浸炭焼入方法およびその連続式ガス浸炭焼入設備 |
JPH02169375A (ja) * | 1988-12-21 | 1990-06-29 | Topy Ind Ltd | 履帯用ブッシングおよびその製造法 |
JPH03285020A (ja) * | 1990-03-31 | 1991-12-16 | Topy Ind Ltd | 履帯用ブッシングの製造方法 |
IT1288690B1 (it) | 1996-11-14 | 1998-09-23 | Bruno Girardello | Procedimento per il trattamento termico di boccole particolarmente per veicoli cingolati e simili |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE632935C (de) * | 1931-05-16 | 1936-07-16 | Benno Schilde Maschb Akt Ges | Verfahren und Einrichtung zur Oberflaechenkohlung von Eisen und Stahl |
US3227586A (en) * | 1963-08-19 | 1966-01-04 | Caterpillar Tractor Co | Track pin bushing |
CH615948A5 (it) * | 1974-03-18 | 1980-02-29 | Hawera Probst Kg Hartmetall | |
US4049473A (en) * | 1976-03-11 | 1977-09-20 | Airco, Inc. | Methods for carburizing steel parts |
US4152177A (en) * | 1977-02-03 | 1979-05-01 | General Motors Corporation | Method of gas carburizing |
-
1981
- 1981-10-23 IT IT49552/81A patent/IT1171606B/it active
-
1982
- 1982-07-21 EP EP82830210A patent/EP0079864B1/en not_active Expired
- 1982-07-21 DE DE8282830210T patent/DE3277732D1/de not_active Expired
- 1982-10-14 BR BR8206000A patent/BR8206000A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
BR8206000A (pt) | 1983-09-13 |
EP0079864B1 (en) | 1987-11-25 |
EP0079864A1 (en) | 1983-05-25 |
DE3277732D1 (en) | 1988-01-07 |
IT1171606B (it) | 1987-06-10 |
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