GB626445A - Ceramic cutting tools - Google Patents

Ceramic cutting tools

Info

Publication number
GB626445A
GB626445A GB839344A GB839344A GB626445A GB 626445 A GB626445 A GB 626445A GB 839344 A GB839344 A GB 839344A GB 839344 A GB839344 A GB 839344A GB 626445 A GB626445 A GB 626445A
Authority
GB
United Kingdom
Prior art keywords
cutting tools
ceramic cutting
temperature
per cent
shaping
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.)
Expired
Application number
GB839344A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB839344A priority Critical patent/GB626445A/en
Publication of GB626445A publication Critical patent/GB626445A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
    • B23P15/30—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools lathes or like tools
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • C04B35/65—Reaction sintering of free metal- or free silicon-containing compositions

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

A metal cutting tool is formed by calcining alumina, grinding finely, adding up to 10 per cent, preferably 1 1/2 per cent, by weight of powdered aluminium, chromium, or magnesium before or after calcining, shaping, and firing under oxidizing-conditions to a temperature of 1,550 - 1,750 DEG C., preferably 1,650 DEG C., and for a period of 7 - 10 hours. The mixture may be heated in an oxidizing atmosphere to a temperature of 750 DEG C. and reground before shaping and final firing.
GB839344A 1944-05-03 1944-05-03 Ceramic cutting tools Expired GB626445A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB839344A GB626445A (en) 1944-05-03 1944-05-03 Ceramic cutting tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB839344A GB626445A (en) 1944-05-03 1944-05-03 Ceramic cutting tools

Publications (1)

Publication Number Publication Date
GB626445A true GB626445A (en) 1949-07-15

Family

ID=9851657

Family Applications (1)

Application Number Title Priority Date Filing Date
GB839344A Expired GB626445A (en) 1944-05-03 1944-05-03 Ceramic cutting tools

Country Status (1)

Country Link
GB (1) GB626445A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045509A (en) * 1954-01-18 1962-07-24 Severance Tool Ind Inc Method of manufacture of a file

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045509A (en) * 1954-01-18 1962-07-24 Severance Tool Ind Inc Method of manufacture of a file

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