JPS55138070A - Providing method of corrosion and abrasion resistance to metallic material - Google Patents

Providing method of corrosion and abrasion resistance to metallic material

Info

Publication number
JPS55138070A
JPS55138070A JP4534279A JP4534279A JPS55138070A JP S55138070 A JPS55138070 A JP S55138070A JP 4534279 A JP4534279 A JP 4534279A JP 4534279 A JP4534279 A JP 4534279A JP S55138070 A JPS55138070 A JP S55138070A
Authority
JP
Japan
Prior art keywords
chromium
porous
metallic material
corrosion
layer
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
JP4534279A
Other languages
Japanese (ja)
Other versions
JPS5952702B2 (en
Inventor
Yoshio Harada
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP4534279A priority Critical patent/JPS5952702B2/en
Publication of JPS55138070A publication Critical patent/JPS55138070A/en
Publication of JPS5952702B2 publication Critical patent/JPS5952702B2/en
Expired legal-status Critical Current

Links

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
    • C23C12/00—Solid state diffusion of at least one non-metal element other than silicon and at least one metal element or silicon into metallic material surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

PURPOSE:To improve corrosion resistance and abrasion resistance of metal materials having relatively large carbon content by a method wherein hard and porous boron- treated layer is formed, which is treated with chromium diffusion so that chromium is diffused and permeates porous boride layer. CONSTITUTION:Metallic material, particularly one having relatively large amount of carbon, is preliminarily treated with noraml boriding, so that porous but very hard boride layer is formed. Next, regular chromium diffusion treatment is applied, so that the porous layer is utilized to allow deep penetration of chromium, which diffusion process is normally difficult for high-carbon metal materials. The method further hardens hard boride layer while providing chromium properties of excellent resistance to heat and corrosion. Thus, metallic material is improved in corrosion resistance and abrasion resistance.
JP4534279A 1979-04-16 1979-04-16 Method for imparting corrosion resistance and wear resistance to metal materials Expired JPS5952702B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4534279A JPS5952702B2 (en) 1979-04-16 1979-04-16 Method for imparting corrosion resistance and wear resistance to metal materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4534279A JPS5952702B2 (en) 1979-04-16 1979-04-16 Method for imparting corrosion resistance and wear resistance to metal materials

Publications (2)

Publication Number Publication Date
JPS55138070A true JPS55138070A (en) 1980-10-28
JPS5952702B2 JPS5952702B2 (en) 1984-12-21

Family

ID=12716607

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4534279A Expired JPS5952702B2 (en) 1979-04-16 1979-04-16 Method for imparting corrosion resistance and wear resistance to metal materials

Country Status (1)

Country Link
JP (1) JPS5952702B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH067022U (en) * 1991-09-18 1994-01-28 有限会社旭産業 Measuring device for small-diameter rod body and aligning mechanism used therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH067022U (en) * 1991-09-18 1994-01-28 有限会社旭産業 Measuring device for small-diameter rod body and aligning mechanism used therefor

Also Published As

Publication number Publication date
JPS5952702B2 (en) 1984-12-21

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