JP6515300B2 - プラグ及びその製造方法 - Google Patents
プラグ及びその製造方法 Download PDFInfo
- Publication number
- JP6515300B2 JP6515300B2 JP2017542962A JP2017542962A JP6515300B2 JP 6515300 B2 JP6515300 B2 JP 6515300B2 JP 2017542962 A JP2017542962 A JP 2017542962A JP 2017542962 A JP2017542962 A JP 2017542962A JP 6515300 B2 JP6515300 B2 JP 6515300B2
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- JP
- Japan
- Prior art keywords
- plug
- film
- coating
- surface layer
- main body
- 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.)
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Links
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 238000000576 coating method Methods 0.000 claims description 113
- 239000011248 coating agent Substances 0.000 claims description 112
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 100
- 239000002344 surface layer Substances 0.000 claims description 96
- 238000005507 spraying Methods 0.000 claims description 70
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 50
- 229910052742 iron Inorganic materials 0.000 claims description 49
- 230000015572 biosynthetic process Effects 0.000 claims description 26
- 238000005553 drilling Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 description 30
- 239000007921 spray Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 9
- 238000007751 thermal spraying Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000009751 slip forming Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910018104 Ni-P Inorganic materials 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 229910018536 Ni—P Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 235000019646 color tone Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000004299 exfoliation Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000001513 hot isostatic pressing Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 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
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/131—Wire arc spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
- B21B25/02—Guides, supports, or abutments for mandrels, e.g. carriages or steadiers; Adjusting devices for mandrels
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/08—Metallic material containing only metal elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating By Spraying Or Casting (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Description
まず、プラグの構造について説明する。図1に示すように、実施形態に係るプラグ10は、プラグ本体1と、本体皮膜2と、表層皮膜3とを備える。図1では、プラグ10が断面で示されている。
次に、プラグ10の製造方法について説明する。
本実施形態に係るプラグ10では、低空隙率の表層皮膜3が本体皮膜2上に形成されている。このため、穿孔中のせん断方向の負荷による本体皮膜2及び表層皮膜3の変形が生じにくく、本体皮膜2及び表層皮膜3におけるクラックの発生を抑制することができる。この効果について、図11A及び図11Bを参照しつつ、より詳細に説明する。
Claims (5)
- ビレットの穿孔に用いられるプラグであって、
プラグ本体と、
前記プラグ本体の表面上に形成され、鉄及び鉄酸化物を含有する本体皮膜と、
前記本体皮膜上に形成され、鉄及び鉄酸化物を含有する表層皮膜と、
を備え、
前記表層皮膜は、前記本体皮膜のうち前記表層皮膜に隣接し且つ前記表層皮膜の厚みと等しい厚みを有する領域の空隙率よりも低い空隙率を有する、プラグ。 - 請求項1に記載のプラグであって、
前記表層皮膜の空隙率は、2.5%以下である、プラグ。 - 請求項1又は2に記載のプラグであって、
前記表層皮膜の厚みは、250μm以下である、プラグ。 - ビレットの穿孔に用いられるプラグの製造方法であって、
プラグ本体を準備する工程と、
鉄線材を用いたアーク溶射を行って前記プラグ本体の表面上に本体皮膜を形成する工程と、
前記本体皮膜の形成が終了した時点における溶射距離よりも短い溶射距離で鉄線材を用いたアーク溶射を行い、前記本体皮膜上に表層皮膜を形成する工程と、
を備える、プラグの製造方法。 - 請求項4に記載のプラグの製造方法であって、
前記本体皮膜を形成する工程は、溶射距離を徐々に長くしながらアーク溶射を行う、プラグの製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015190400 | 2015-09-28 | ||
JP2015190400 | 2015-09-28 | ||
PCT/JP2016/072212 WO2017056669A1 (ja) | 2015-09-28 | 2016-07-28 | プラグ及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017056669A1 JPWO2017056669A1 (ja) | 2018-03-22 |
JP6515300B2 true JP6515300B2 (ja) | 2019-05-22 |
Family
ID=58423479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017542962A Active JP6515300B2 (ja) | 2015-09-28 | 2016-07-28 | プラグ及びその製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20180281037A1 (ja) |
EP (1) | EP3357595B1 (ja) |
JP (1) | JP6515300B2 (ja) |
CN (1) | CN108025338B (ja) |
BR (1) | BR112017028179B1 (ja) |
MX (1) | MX2018003118A (ja) |
WO (1) | WO2017056669A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6696321B2 (ja) * | 2016-06-24 | 2020-05-20 | 日本製鉄株式会社 | プラグ及びその製造方法 |
EP3404403B1 (de) * | 2017-05-18 | 2019-03-27 | Grob-Werke GmbH & Co. KG | Verfahren und vorrichtung zur prüfung der qualität von beschichteten oberflächen |
EP3705591B1 (en) * | 2017-11-02 | 2021-03-17 | Nippon Steel Corporation | Piercer plug and method of manufacturing the same |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0757904B2 (ja) * | 1989-01-23 | 1995-06-21 | 住友金属工業株式会社 | 熱処理炉用ロールおよびその製造法 |
JPH03204106A (ja) * | 1989-12-28 | 1991-09-05 | Sumitomo Metal Ind Ltd | 熱間継目無管製造用プラグ |
JPH08193241A (ja) * | 1994-09-26 | 1996-07-30 | Kawasaki Steel Corp | 熱間加工用工具及びその製造方法 |
CN101848777A (zh) * | 2007-11-01 | 2010-09-29 | 住友金属工业株式会社 | 穿轧用顶头、该穿轧用顶头的再生方法以及该穿轧用顶头的再生设备列 |
CN102296264B (zh) * | 2011-06-30 | 2012-12-26 | 燕山大学 | 一种热喷涂陶瓷软线 |
JP5365724B2 (ja) * | 2012-04-24 | 2013-12-11 | 新日鐵住金株式会社 | 穿孔圧延用プラグの製造設備 |
JP5365723B2 (ja) * | 2012-04-24 | 2013-12-11 | 新日鐵住金株式会社 | 穿孔圧延用プラグの製造方法 |
BR112014030092A2 (pt) * | 2012-07-20 | 2017-06-27 | Nippon Steel & Sumitomo Metal Corp | plugue para perfurar |
JP5842772B2 (ja) * | 2012-09-11 | 2016-01-13 | Jfeスチール株式会社 | 継目無鋼管圧延用プラグおよびその製造方法 |
MX354718B (es) * | 2013-01-11 | 2018-03-16 | Nippon Steel & Sumitomo Metal Corp | Tapón para manufactura de tubos para calor. |
CN104032255B (zh) * | 2014-06-05 | 2016-03-30 | 西安交通大学 | 一种热障涂层孔隙率的控制方法 |
-
2016
- 2016-07-28 WO PCT/JP2016/072212 patent/WO2017056669A1/ja active Application Filing
- 2016-07-28 BR BR112017028179-1A patent/BR112017028179B1/pt active IP Right Grant
- 2016-07-28 CN CN201680054432.8A patent/CN108025338B/zh active Active
- 2016-07-28 MX MX2018003118A patent/MX2018003118A/es unknown
- 2016-07-28 EP EP16850846.3A patent/EP3357595B1/en active Active
- 2016-07-28 JP JP2017542962A patent/JP6515300B2/ja active Active
- 2016-07-28 US US15/763,405 patent/US20180281037A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JPWO2017056669A1 (ja) | 2018-03-22 |
BR112017028179A8 (pt) | 2023-01-03 |
EP3357595A4 (en) | 2018-09-19 |
EP3357595B1 (en) | 2021-05-19 |
BR112017028179A2 (ja) | 2018-08-28 |
EP3357595A1 (en) | 2018-08-08 |
MX2018003118A (es) | 2018-06-06 |
CN108025338A (zh) | 2018-05-11 |
WO2017056669A1 (ja) | 2017-04-06 |
CN108025338B (zh) | 2019-11-05 |
US20180281037A1 (en) | 2018-10-04 |
BR112017028179B1 (pt) | 2023-02-07 |
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