KR920008210A - 경질 오스테나이트계 스테인레스 나사 및 그 제조방법 - Google Patents
경질 오스테나이트계 스테인레스 나사 및 그 제조방법 Download PDFInfo
- Publication number
- KR920008210A KR920008210A KR1019910006564A KR910006564A KR920008210A KR 920008210 A KR920008210 A KR 920008210A KR 1019910006564 A KR1019910006564 A KR 1019910006564A KR 910006564 A KR910006564 A KR 910006564A KR 920008210 A KR920008210 A KR 920008210A
- Authority
- KR
- South Korea
- Prior art keywords
- hard
- layer
- austenitic stainless
- screw
- stainless steel
- Prior art date
Links
- 229910000963 austenitic stainless steel Inorganic materials 0.000 title claims abstract 8
- 238000004519 manufacturing process Methods 0.000 title claims abstract 6
- 239000010410 layer Substances 0.000 claims abstract description 21
- 239000002344 surface layer Substances 0.000 claims abstract description 15
- 238000005121 nitriding Methods 0.000 claims abstract 4
- 238000000034 method Methods 0.000 claims abstract 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims abstract 2
- 150000004767 nitrides Chemical class 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims 3
- 229910001220 stainless steel Inorganic materials 0.000 claims 2
- 239000010935 stainless steel Substances 0.000 claims 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 229910001566 austenite Inorganic materials 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 238000007654 immersion Methods 0.000 claims 1
- 238000005498 polishing Methods 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 125000004433 nitrogen atom Chemical group N* 0.000 abstract 1
- 238000009991 scouring Methods 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B33/00—Features common to bolt and nut
- F16B33/06—Surface treatment of parts furnished with screw-thread, e.g. for preventing seizure or fretting
-
- 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
-
- 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
- C21D9/0093—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for screws; for bolts
-
- 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
- C23C8/34—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 more than one element being applied in more than one step
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Heat Treatment Of Articles (AREA)
- Forging (AREA)
- Dowels (AREA)
- Metal Extraction Processes (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 처리로의 한예를 나타내는 단면도,
제2도는 경질 오스테나이트계 스테인레스 나사의 질화층 상태를 나타내는 단면도,
제3도는 그 초경질 표면층을 제거한 상태를 나타내는 단면도.
Claims (7)
- 오스테나이트계 스테인레스강 나사 기재표면에 초경질 표면층과 그 아래쪽의 심부에 연계되는 내부 경질층으로 이루어지는 경질 질화층을 형성하며, 이 층의 소정부분이, 초경질 표면층을 제거하여 심부에 연계되는 내부 경질층만으로 되어있는 것을 특징으로 하는 경질 오스테나이트계 스테인레스 나사.
- 초경질 표면질화층의 두께가 15-20㎛이고, 내부 경질층의 두께가 30-150㎛인 것을 특징으로 하는 경질 오스테나이트계 스테인레스 나사.
- 초경질 표면층을 제거하지 않은 부분이 나사산형부와 드릴선부로 이루어지는 것을 특징으로 하는 경질 오스테나이트계 스테인레스 나사.
- 오스테나이트계 스테인레스강 나사기재를 질화 분위기 속에서 가열해서 상기 스테일레스강 나사기재의 표면층을 초경질 표면층과 그 아래쪽의 심부에 연계되는 내부 경질층으로 이루어지는 경질질화층으로 형성하고, 그 경질 질화층의 소정부분의 초경질 표면층을 제거하여 심부에 연계된 내부 경질층을 드러내게 하는 것을 특징로 하는 경질 오스테나이트계 스테인레스 나사의 제조방법.
- 오스테나이트계 스테인레스강 나사기재를 불소계 가스분위에 속에 유지하고 그 표면에 불화막을 생성한 후 질화분위기 속에서 가열해서 상기 스테인레스강 나사기재의 표면층을 초경질 표면층과 그 아래쪽의 심부에 연계되는 내부 경질층으로 이루어지는 경질 질화층으로 형성하고, 그 경질질화층의 소정부분의 초경질 표면층을 제거하여 심부에 연계된 내부경질층을 드러내게 하는 것을 특징으로 하는 경질 오스테나이트계 스테인레스 나사의 제조방법.
- 제4항 또는 5항에 있어서, 초경질 표면층의 제거가 강산 침지법에 의해 실시되는 것을 특징으로 하는 경질 오스테아니트계 스테인레스 나사의 제조방법.
- 제4항 또는 제5항에 있어서, 초경질 표면층의 제거가 연마법에 의해 실시되는 것을 특징으로 하는 경질 오스테나이트계 스테인레스 나사의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP02-267729 | 1990-10-04 | ||
JP2267729A JP2633076B2 (ja) | 1990-10-04 | 1990-10-04 | 硬質オーステナイト系ステンレスねじおよびその製法 |
JP2-267729 | 1990-10-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920008210A true KR920008210A (ko) | 1992-05-27 |
KR950000307B1 KR950000307B1 (ko) | 1995-01-13 |
Family
ID=17448760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910006564A KR950000307B1 (ko) | 1990-10-04 | 1991-04-23 | 경질 오스테나이트계 스테인레스 나사 및 그 제조방법 |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0479409B1 (ko) |
JP (1) | JP2633076B2 (ko) |
KR (1) | KR950000307B1 (ko) |
CN (1) | CN1027908C (ko) |
AT (1) | ATE109252T1 (ko) |
DE (1) | DE69103114T2 (ko) |
DK (1) | DK0479409T3 (ko) |
ES (1) | ES2057766T3 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111575637A (zh) * | 2020-05-29 | 2020-08-25 | 青岛丰东热处理有限公司 | 一种奥氏体不锈钢表面低温氮碳共渗的方法 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5445683A (en) * | 1992-05-13 | 1995-08-29 | Daidousanso Co., Ltd. | Nickel alloy products with their surfaces nitrided and hardened |
JP2632763B2 (ja) * | 1992-09-01 | 1997-07-23 | 謙二 川端 | 化粧ネジの製造方法 |
TW237484B (ko) * | 1992-09-16 | 1995-01-01 | Daido Oxygen | |
EP0678589B1 (en) * | 1994-04-18 | 1999-07-14 | Daido Hoxan Inc. | Method of carburizing austenitic metal |
CN100451423C (zh) * | 2007-06-22 | 2009-01-14 | 江苏海纳机电制造有限公司 | 一种管道接头卡套后卡的热处理方法 |
JP5746832B2 (ja) * | 2010-06-07 | 2015-07-08 | 株式会社田中 | ステンレス鋼製ねじ |
JP2012062915A (ja) * | 2010-09-14 | 2012-03-29 | Ntn Corp | 転がり軸受 |
PL2881493T3 (pl) | 2013-12-06 | 2017-02-28 | Hubert Stüken GmbH & Co. KG | Sposób nitronawęglania wyrobu głęboko ciągnionego lub wytłoczki z austenitycznej, nierdzewnej stali szlachetnej |
EP2881492B1 (de) | 2013-12-06 | 2017-05-03 | Hubert Stüken GMBH & CO. KG | Verfahren zur Aufkohlung eines Tiefziehartikels oder eines Stanzbiegeartikels aus austenitischem nichtrostendem Edelstahl |
CN105839165B (zh) * | 2016-04-20 | 2017-12-12 | 深圳八六三计划材料表面技术研发中心 | 一种奥氏体不锈钢及提高硬度和耐蚀性的处理方法 |
TWI714846B (zh) * | 2018-05-09 | 2021-01-01 | 國聯螺絲工業股份有限公司 | 300系列不銹鋼螺絲扣件氮化熱處理製程 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2263527A (en) * | 1940-02-09 | 1941-11-18 | Reed & Prince Mfg Company | Fastening device and process |
FR2155078A5 (en) * | 1971-10-06 | 1973-05-18 | Kolomensky Teplovozostro | Spheroidal cast irons - strengthening by thermal and nitriding processes |
AU3773478A (en) * | 1977-09-27 | 1980-01-10 | Deutsher Pty Ltd | Corrosion resistant self-drilling, thread-cutting screws |
JPS5872711A (ja) * | 1981-10-27 | 1983-04-30 | 有限会社新城製作所 | オ−ステナイト系ステンレス鋼からなるドリルねじ |
JPS5884968A (ja) * | 1981-11-12 | 1983-05-21 | Seiko Instr & Electronics Ltd | 時計用硬質外装部品 |
JPS6320299A (ja) * | 1986-07-11 | 1988-01-27 | 株式会社日立製作所 | 放熱量制御装置 |
JP2501925B2 (ja) * | 1989-12-22 | 1996-05-29 | 大同ほくさん株式会社 | 金属材の前処理方法 |
DE69009603T2 (de) * | 1989-07-10 | 1995-01-12 | Daido Oxygen | Verfahren zur Vorbehandlung von metallischen Werkstücken und zur Nitrierhärtung von Stahl. |
-
1990
- 1990-10-04 JP JP2267729A patent/JP2633076B2/ja not_active Expired - Fee Related
-
1991
- 1991-04-08 CN CN91102211A patent/CN1027908C/zh not_active Expired - Fee Related
- 1991-04-22 ES ES91303598T patent/ES2057766T3/es not_active Expired - Lifetime
- 1991-04-22 AT AT91303598T patent/ATE109252T1/de not_active IP Right Cessation
- 1991-04-22 EP EP91303598A patent/EP0479409B1/en not_active Expired - Lifetime
- 1991-04-22 DK DK91303598.6T patent/DK0479409T3/da active
- 1991-04-22 DE DE69103114T patent/DE69103114T2/de not_active Expired - Fee Related
- 1991-04-23 KR KR1019910006564A patent/KR950000307B1/ko not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111575637A (zh) * | 2020-05-29 | 2020-08-25 | 青岛丰东热处理有限公司 | 一种奥氏体不锈钢表面低温氮碳共渗的方法 |
CN111575637B (zh) * | 2020-05-29 | 2021-12-14 | 青岛丰东热处理有限公司 | 一种奥氏体不锈钢表面低温氮碳共渗的方法 |
Also Published As
Publication number | Publication date |
---|---|
ES2057766T3 (es) | 1994-10-16 |
DE69103114T2 (de) | 1994-12-08 |
DK0479409T3 (da) | 1994-11-21 |
EP0479409A3 (en) | 1992-09-30 |
ATE109252T1 (de) | 1994-08-15 |
KR950000307B1 (ko) | 1995-01-13 |
JP2633076B2 (ja) | 1997-07-23 |
JPH04143263A (ja) | 1992-05-18 |
CN1060503A (zh) | 1992-04-22 |
EP0479409B1 (en) | 1994-07-27 |
CN1027908C (zh) | 1995-03-15 |
DE69103114D1 (de) | 1994-09-01 |
EP0479409A2 (en) | 1992-04-08 |
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