JPH0149773B2 - - Google Patents
Info
- Publication number
- JPH0149773B2 JPH0149773B2 JP60100372A JP10037285A JPH0149773B2 JP H0149773 B2 JPH0149773 B2 JP H0149773B2 JP 60100372 A JP60100372 A JP 60100372A JP 10037285 A JP10037285 A JP 10037285A JP H0149773 B2 JPH0149773 B2 JP H0149773B2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- tig torch
- hardening
- pulse frequency
- hardened
- 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
- 238000000034 method Methods 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910001018 Cast iron Inorganic materials 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 238000005299 abrasion Methods 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 description 10
- 238000010791 quenching Methods 0.000 description 5
- 230000000171 quenching effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 229910000734 martensite Inorganic materials 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- 229910001060 Gray iron Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 206010039897 Sedation Diseases 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical group C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000036280 sedation Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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
- C21D5/00—Heat treatments of cast-iron
-
- 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
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
-
- 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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3418555A DE3418555C1 (de) | 1984-05-18 | 1984-05-18 | Verfahren zum Umschmelzhaerten der Oberflaeche von Zylindern aus kohlenstoffhaltigem Gusseisen |
| DE3418555.0 | 1984-05-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60245725A JPS60245725A (ja) | 1985-12-05 |
| JPH0149773B2 true JPH0149773B2 (de) | 1989-10-26 |
Family
ID=6236254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60100372A Granted JPS60245725A (ja) | 1984-05-18 | 1985-05-10 | 炭素含有鋳鉄製シリンダ表面の鋳直し焼入れ方法 |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0161408B1 (de) |
| JP (1) | JPS60245725A (de) |
| DE (2) | DE3418555C1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3510393C1 (de) * | 1985-03-22 | 1986-04-03 | Daimler-Benz Ag, 7000 Stuttgart | Zylinder-Kurbelgehäuse für eine Brennkraftmaschine |
| DE4124644A1 (de) * | 1991-07-25 | 1993-01-28 | Audi Ag | Verfahren zum haerten und/oder umschmelzen der oberflaechen von metallischen werkstuecken |
| DE4241527A1 (de) * | 1992-12-10 | 1994-06-16 | Opel Adam Ag | Verfahren zum Aufhärten und ggf. Glätten von Maschinenbauteilen sowie nach diesem Verfahren hergestellten Maschinenbauteilen |
| ITRE20050025A1 (it) * | 2005-03-10 | 2006-09-11 | Ognibene Spa | Metodo ed attrezzatura per l'indurimento della superficie interna di fori, in pezzi meccanici di ghisa a matrice prevalentemente ferritica |
| DE102013219784A1 (de) * | 2013-09-30 | 2015-04-02 | Federal-Mogul Friedberg Gmbh | Gleitringe mit ledeburitischem Gefüge an der Oberfläche |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2134662A1 (de) * | 1971-07-12 | 1973-01-25 | Teves Thompson Gmbh | Verfahren zur verbesserung der festigkeitseigenschaften von bauteilen |
| DE2811400C3 (de) * | 1978-03-16 | 1981-12-17 | Aeg-Elotherm Gmbh, 5630 Remscheid | Verfahren zum Umschmelzhärten von Werkstücken |
| JPS57158319A (en) * | 1981-03-24 | 1982-09-30 | Toyota Motor Corp | Partial surface hardening method using pulse tig welding machine |
-
1984
- 1984-05-18 DE DE3418555A patent/DE3418555C1/de not_active Expired
-
1985
- 1985-03-08 EP EP85102673A patent/EP0161408B1/de not_active Expired
- 1985-03-08 DE DE8585102673T patent/DE3569751D1/de not_active Expired
- 1985-05-10 JP JP60100372A patent/JPS60245725A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3569751D1 (en) | 1989-06-01 |
| EP0161408A3 (en) | 1986-07-23 |
| JPS60245725A (ja) | 1985-12-05 |
| EP0161408A2 (de) | 1985-11-21 |
| EP0161408B1 (de) | 1989-04-26 |
| DE3418555C1 (de) | 1985-07-25 |
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