EP3575422B1 - Titanium alloy material - Google Patents

Titanium alloy material Download PDF

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Publication number
EP3575422B1
EP3575422B1 EP19166195.8A EP19166195A EP3575422B1 EP 3575422 B1 EP3575422 B1 EP 3575422B1 EP 19166195 A EP19166195 A EP 19166195A EP 3575422 B1 EP3575422 B1 EP 3575422B1
Authority
EP
European Patent Office
Prior art keywords
titanium alloy
alloy material
corrosion
contamination
samples
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.)
Active
Application number
EP19166195.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3575422A1 (en
Inventor
Hideya Kaminaka
Kouichi Takeuchi
Hiroshi Kamio
Satoshi Matsumoto
Norio Inoue
Masaru Abe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP3575422A1 publication Critical patent/EP3575422A1/en
Application granted granted Critical
Publication of EP3575422B1 publication Critical patent/EP3575422B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C14/00Alloys based on titanium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/16Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/16Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
    • C22F1/18High-melting or refractory metals or alloys based thereon
    • C22F1/183High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon

Definitions

  • Titanium is being actively used in the aircraft field and the like, utilizing its feature of lightness and strength. Further, having high corrosion resistance, titanium is beginning to be used in wide range of fields as a material for chemical industry equipment, a material for thermal and nuclear power generation equipment, and a material for seawater desalination equipment, and the like.
  • Gr. 11, Gr. 13, and Gr. 17 materials having different surface contaminating degrees were commercially obtained and were subjected to surface analysis with an electron probe micro analyzer (EPMA) surface analysis apparatus to find out elements that are present on the surface.
  • EPMA electron probe micro analyzer
  • elements that are present on the surface are as follows.
  • Example 17 to 21 and the samples of Comparative Examples 13 to 15 were subjected to the autoclave treatment (corrosion treatment) under the conditions shown in Table 3, and hydrogen content rates before and after the treatment were analyzed.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
EP19166195.8A 2012-08-10 2013-08-12 Titanium alloy material Active EP3575422B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012179003 2012-08-10
PCT/JP2013/071788 WO2014025059A1 (ja) 2012-08-10 2013-08-12 チタン合金材
EP13828545.7A EP2883972A4 (en) 2012-08-10 2013-08-12 TITANIUM ALLOY MATERIAL

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP13828545.7A Division EP2883972A4 (en) 2012-08-10 2013-08-12 TITANIUM ALLOY MATERIAL

Publications (2)

Publication Number Publication Date
EP3575422A1 EP3575422A1 (en) 2019-12-04
EP3575422B1 true EP3575422B1 (en) 2023-03-01

Family

ID=50068272

Family Applications (2)

Application Number Title Priority Date Filing Date
EP13828545.7A Withdrawn EP2883972A4 (en) 2012-08-10 2013-08-12 TITANIUM ALLOY MATERIAL
EP19166195.8A Active EP3575422B1 (en) 2012-08-10 2013-08-12 Titanium alloy material

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP13828545.7A Withdrawn EP2883972A4 (en) 2012-08-10 2013-08-12 TITANIUM ALLOY MATERIAL

Country Status (6)

Country Link
US (1) US20150167121A1 (ja)
EP (2) EP2883972A4 (ja)
JP (1) JP5582266B2 (ja)
KR (1) KR101699636B1 (ja)
CN (2) CN104520456A (ja)
WO (1) WO2014025059A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ739931A (en) * 2012-07-13 2019-08-30 X Chem Inc Dna-encoded libraries having encoding oligonucleotide linkages not readable by polymerases
JP6536076B2 (ja) * 2015-02-24 2019-07-03 日本製鉄株式会社 チタン板とその製造方法
CN107848258A (zh) 2015-07-29 2018-03-27 新日铁住金株式会社 钛复合材料以及热加工用钛材
CN113260734B (zh) * 2019-01-23 2024-01-05 日本制铁株式会社 钛材和涂装钛材

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4666666A (en) * 1984-11-22 1987-05-19 Nippon Mining Co., Ltd. Corrosion-resistant titanium-base alloy
JPH04350138A (ja) * 1990-12-26 1992-12-04 Nikko Kyodo Co Ltd 耐食性に優れたチタン合金
JPH0551777A (ja) * 1991-08-21 1993-03-02 Nippon Steel Corp 純チタンの耐食性改善方法
US5316722A (en) * 1992-07-09 1994-05-31 Kabushiki Kaisha Kobe Seiko Sho Corrosion resistant Ti-Cr-Ni alloy containing a platinum group metal
DE19962585C2 (de) * 1998-12-28 2003-06-26 Kobe Steel Ltd Korrosionsbeständige Titanlegierung und daraus bestehende Komponenten
JP2002194591A (ja) * 2000-12-21 2002-07-10 Nippon Steel Corp チタン薄板とその製造方法
EP1577402A4 (en) * 2002-12-25 2006-07-05 Sintokogio Ltd METHOD OF REFINING METAL SURFACES AND METAL PRODUCT PRODUCED BY THE METHOD
JP4361834B2 (ja) 2003-06-24 2009-11-11 株式会社神戸製鋼所 チタン材
EP1772528B1 (en) * 2004-06-02 2013-01-30 Nippon Steel & Sumitomo Metal Corporation Titanium alloy and method of manufacturing titanium alloy material
JP3916088B2 (ja) 2005-12-28 2007-05-16 住友金属工業株式会社 耐食材用チタン合金
CN100537805C (zh) * 2007-10-30 2009-09-09 沈阳宝鼎化工设备制造有限公司 耐磨、耐腐蚀备件及其表面处理工艺
JP5390934B2 (ja) * 2009-05-20 2014-01-15 株式会社神戸製鋼所 チタン合金材および構造部材ならびに放射性廃棄物用容器
US8287770B2 (en) * 2010-03-05 2012-10-16 General Cable Technologies Corporation Semiconducting composition
JP5379752B2 (ja) * 2010-06-29 2013-12-25 株式会社神戸製鋼所 耐粒界腐食性に優れたチタン合金

Also Published As

Publication number Publication date
KR20150030265A (ko) 2015-03-19
EP3575422A1 (en) 2019-12-04
JPWO2014025059A1 (ja) 2016-07-25
EP2883972A1 (en) 2015-06-17
US20150167121A1 (en) 2015-06-18
WO2014025059A1 (ja) 2014-02-13
CN107746996A (zh) 2018-03-02
KR101699636B1 (ko) 2017-01-24
EP2883972A4 (en) 2016-04-06
JP5582266B2 (ja) 2014-09-03
CN104520456A (zh) 2015-04-15

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