JPS56112480A - Production of solar heat absorbing body - Google Patents

Production of solar heat absorbing body

Info

Publication number
JPS56112480A
JPS56112480A JP1482080A JP1482080A JPS56112480A JP S56112480 A JPS56112480 A JP S56112480A JP 1482080 A JP1482080 A JP 1482080A JP 1482080 A JP1482080 A JP 1482080A JP S56112480 A JPS56112480 A JP S56112480A
Authority
JP
Japan
Prior art keywords
solar heat
stainless steel
absorbing body
heat energy
heat absorbing
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.)
Pending
Application number
JP1482080A
Other languages
Japanese (ja)
Inventor
Kiyoshi Takatsu
Takeshi Takeuchi
Takashi Inoue
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 Nisshin Co Ltd
Original Assignee
Nisshin Steel Co 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 Nisshin Steel Co Ltd filed Critical Nisshin Steel Co Ltd
Priority to JP1482080A priority Critical patent/JPS56112480A/en
Publication of JPS56112480A publication Critical patent/JPS56112480A/en
Pending 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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/24—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)

Abstract

PURPOSE:To obtain a heat collecting material which satisfies the basic requirement for selectively absorbing solar heat energy by blasting the surface of a stainless steel by means of blast materials of predetermined grain sizes to provide a worked layer then subjecting the surface to blackening treatment. CONSTITUTION:Surface of a stainless steel is blasted with brast materials of #100- #2,000 grain sizes, whereby a worked layer is provided. Thence, the stainless steel provided with this worked layer is dipped for a predetermined time in a blackening soln. prepd. by heating an aqueous mixed soln. of chromic acid-sulfuric acid, for example, an aqueous mixed soln. of 250g/l chromic acid anhydride-500g/l sulfuric acid, to predetermined temp., whereby it is blackened and the intended solar heat absorbing body is produced. This solar heat absorbing body is superior is selective absorptivity of solar heat energy, and causes extremely less dissipation of the absorbed heat energy.
JP1482080A 1980-02-12 1980-02-12 Production of solar heat absorbing body Pending JPS56112480A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1482080A JPS56112480A (en) 1980-02-12 1980-02-12 Production of solar heat absorbing body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1482080A JPS56112480A (en) 1980-02-12 1980-02-12 Production of solar heat absorbing body

Publications (1)

Publication Number Publication Date
JPS56112480A true JPS56112480A (en) 1981-09-04

Family

ID=11871672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1482080A Pending JPS56112480A (en) 1980-02-12 1980-02-12 Production of solar heat absorbing body

Country Status (1)

Country Link
JP (1) JPS56112480A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017226883A (en) * 2016-06-23 2017-12-28 株式会社アサヒメッキ Production method of colored stainless steel by chemical coloring method
WO2018047527A1 (en) * 2016-09-08 2018-03-15 株式会社アサヒメッキ Low-gloss chemically colored stainless steel, chemically colored stainless steel processed product, and method for manufacturing same
JP2019112701A (en) * 2017-12-26 2019-07-11 株式会社アサヒメッキ Low-glossiness chemical coloring stainless steel processed product coated with transparent coating film, and method of manufacturing the same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017226883A (en) * 2016-06-23 2017-12-28 株式会社アサヒメッキ Production method of colored stainless steel by chemical coloring method
WO2018047527A1 (en) * 2016-09-08 2018-03-15 株式会社アサヒメッキ Low-gloss chemically colored stainless steel, chemically colored stainless steel processed product, and method for manufacturing same
JPWO2018047527A1 (en) * 2016-09-08 2018-09-13 株式会社アサヒメッキ Chemically colored stainless steel material having low glossiness, processed product of chemically colored stainless steel material, and manufacturing method thereof
CN109312472A (en) * 2016-09-08 2019-02-05 株式会社旭鍍金 Low gloss chemically colored stainless steel material and chemically colored stainless steel material processed product and method for producing the same
US11008667B2 (en) 2016-09-08 2021-05-18 Asahimekki Corporation Low-gloss chemically colored stainless steel, chemically colored stainless steel processed product, and method for manufacturing same
JP2019112701A (en) * 2017-12-26 2019-07-11 株式会社アサヒメッキ Low-glossiness chemical coloring stainless steel processed product coated with transparent coating film, and method of manufacturing the same

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