JPS5550453A - Heat treating method for zirconium alloy - Google Patents

Heat treating method for zirconium alloy

Info

Publication number
JPS5550453A
JPS5550453A JP12256178A JP12256178A JPS5550453A JP S5550453 A JPS5550453 A JP S5550453A JP 12256178 A JP12256178 A JP 12256178A JP 12256178 A JP12256178 A JP 12256178A JP S5550453 A JPS5550453 A JP S5550453A
Authority
JP
Japan
Prior art keywords
alloy
corrosion resistance
beams
quenching
melt
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.)
Granted
Application number
JP12256178A
Other languages
Japanese (ja)
Other versions
JPS6144944B2 (en
Inventor
Sumi Yoshida
Seiichi Tanabe
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12256178A priority Critical patent/JPS5550453A/en
Publication of JPS5550453A publication Critical patent/JPS5550453A/en
Publication of JPS6144944B2 publication Critical patent/JPS6144944B2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Heat Treatment Of Nonferrous Metals Or Alloys (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

PURPOSE: To remarkably enhance the corrosion resistance of a Zr alloy by rapidly heating the alloy to melt the surface alone of the alloy followed by quenching.
CONSTITUTION: The surface of a Zr alloy is irradiated with high energy beams such as electron beams or laser beams to melt a very thin surface layer alone by rapid heating, followed by quenching. As a result, thermal hysteresis and solidified structure similar to those of the weld zone between Zr alloy and base metal are formed to enhance the corrosion resistance of the alloy. For example, when a sample with the surface melted by radiating laser beams is held in steam of 500°C and 105kg/cm2 for 40hr, white spots do not appear at laser beam-irradiated part 2 unlike base metal 1, showing superior corrosion resistance of part 2.
COPYRIGHT: (C)1980,JPO&Japio
JP12256178A 1978-10-06 1978-10-06 Heat treating method for zirconium alloy Granted JPS5550453A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12256178A JPS5550453A (en) 1978-10-06 1978-10-06 Heat treating method for zirconium alloy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12256178A JPS5550453A (en) 1978-10-06 1978-10-06 Heat treating method for zirconium alloy

Publications (2)

Publication Number Publication Date
JPS5550453A true JPS5550453A (en) 1980-04-12
JPS6144944B2 JPS6144944B2 (en) 1986-10-06

Family

ID=14838930

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12256178A Granted JPS5550453A (en) 1978-10-06 1978-10-06 Heat treating method for zirconium alloy

Country Status (1)

Country Link
JP (1) JPS5550453A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58133357A (en) * 1982-01-29 1983-08-09 ウエスチングハウス　エレクトリック　コ−ポレ−ション Zirconium alloy and manufacture
JPS6050154A (en) * 1983-08-26 1985-03-19 Yoshiaki Arata Surface treatment by laser beam

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58133357A (en) * 1982-01-29 1983-08-09 ウエスチングハウス　エレクトリック　コ−ポレ−ション Zirconium alloy and manufacture
JPS6050154A (en) * 1983-08-26 1985-03-19 Yoshiaki Arata Surface treatment by laser beam

Also Published As

Publication number Publication date
JPS6144944B2 (en) 1986-10-06

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