JPS5415499A - Method of producing alpha-silicon nitride - Google Patents

Method of producing alpha-silicon nitride

Info

Publication number
JPS5415499A
JPS5415499A JP8062777A JP8062777A JPS5415499A JP S5415499 A JPS5415499 A JP S5415499A JP 8062777 A JP8062777 A JP 8062777A JP 8062777 A JP8062777 A JP 8062777A JP S5415499 A JPS5415499 A JP S5415499A
Authority
JP
Japan
Prior art keywords
silicon nitride
producing alpha
nitride
alpha
producing
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
JP8062777A
Other languages
Japanese (ja)
Inventor
Koichi Sugawara
Tadasuke Shigi
Hirotaka Koga
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.)
Denka Co Ltd
Original Assignee
Denki Kagaku Kogyo KK
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 Denki Kagaku Kogyo KK filed Critical Denki Kagaku Kogyo KK
Priority to JP8062777A priority Critical patent/JPS5415499A/en
Publication of JPS5415499A publication Critical patent/JPS5415499A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
    • C01B21/068—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with silicon
    • C01B21/0682—Preparation by direct nitridation of silicon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Products (AREA)

Abstract

PURPOSE: To produce a highly pure α-Si3N4 through checking of conversion of α-Si3N4 to β-Si3N4 by adding a proper amount of metallic iron and/or iron compound to a powdere metllic sillicon to nitride thereof.
COPYRIGHT: (C)1979,JPO&Japio
JP8062777A 1977-07-06 1977-07-06 Method of producing alpha-silicon nitride Pending JPS5415499A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8062777A JPS5415499A (en) 1977-07-06 1977-07-06 Method of producing alpha-silicon nitride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8062777A JPS5415499A (en) 1977-07-06 1977-07-06 Method of producing alpha-silicon nitride

Publications (1)

Publication Number Publication Date
JPS5415499A true JPS5415499A (en) 1979-02-05

Family

ID=13723582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8062777A Pending JPS5415499A (en) 1977-07-06 1977-07-06 Method of producing alpha-silicon nitride

Country Status (1)

Country Link
JP (1) JPS5415499A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57170808A (en) * 1981-04-14 1982-10-21 Hitachi Chem Co Ltd Manufacture of silicon nitride powder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57170808A (en) * 1981-04-14 1982-10-21 Hitachi Chem Co Ltd Manufacture of silicon nitride powder
JPS5933523B2 (en) * 1981-04-14 1984-08-16 日立化成工業株式会社 Manufacturing method of silicon nitride powder

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