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ZA752274B - Method for the work-hardening of diamonds - Google Patents

Method for the work-hardening of diamonds

Info

Publication number
ZA752274B
ZA752274B ZA00752274A ZA752274A ZA752274B ZA 752274 B ZA752274 B ZA 752274B ZA 00752274 A ZA00752274 A ZA 00752274A ZA 752274 A ZA752274 A ZA 752274A ZA 752274 B ZA752274 B ZA 752274B
Authority
ZA
South Africa
Prior art keywords
diamonds
hardening
work
Prior art date
Application number
ZA00752274A
Inventor
R Wentorf
R Devries
F Bundy
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of ZA752274B publication Critical patent/ZA752274B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/06—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
    • B01J3/062—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies characterised by the composition of the materials to be processed
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C09K3/1409—Abrasive particles per se
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00—Processes utilising sub- or super atmospheric pressure
    • B01J2203/06—High pressure synthesis
    • B01J2203/0605—Composition of the material to be processed
    • B01J2203/062—Diamond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00—Processes utilising sub- or super atmospheric pressure
    • B01J2203/06—High pressure synthesis
    • B01J2203/065—Composition of the material produced
    • B01J2203/0655—Diamond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00—Processes utilising sub- or super atmospheric pressure
    • B01J2203/06—High pressure synthesis
    • B01J2203/0675—Structural or physico-chemical features of the materials processed
    • B01J2203/069—Recrystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
ZA00752274A 1974-05-30 1975-04-09 Method for the work-hardening of diamonds ZA752274B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47471974A 1974-05-30 1974-05-30

Publications (1)

Publication Number Publication Date
ZA752274B true ZA752274B (en) 1976-03-31

Family

ID=23884679

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00752274A ZA752274B (en) 1974-05-30 1975-04-09 Method for the work-hardening of diamonds

Country Status (12)

Country Link
JP (1) JPS5713488B2 (en)
BE (1) BE829717A (en)
CA (1) CA1091938A (en)
CH (1) CH601105A5 (en)
DE (1) DE2519116C2 (en)
FR (1) FR2275405A1 (en)
GB (1) GB1500817A (en)
IE (1) IE41288B1 (en)
IT (1) IT1038378B (en)
NL (1) NL7506342A (en)
SE (1) SE417161B (en)
ZA (1) ZA752274B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3061050D1 (en) * 1979-02-08 1982-12-16 De Beers Ind Diamond A method of making diamond particles and metal bond abrasive body produced therewith
JPS59168957A (en) * 1983-03-17 1984-09-22 Akai Electric Co Ltd Repeated reproducing device of tape player or the like
US4931068A (en) * 1988-08-29 1990-06-05 Exxon Research And Engineering Company Method for fabricating fracture-resistant diamond and diamond composite articles
HK1080122B (en) 2002-09-06 2008-08-15 六号元素技术有限公司 Coloured diamond

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3574580A (en) * 1968-11-08 1971-04-13 Atomic Energy Commission Process for producing sintered diamond compact and products
FR2026389A1 (en) * 1968-12-18 1970-09-18 Hall Howard

Also Published As

Publication number Publication date
BE829717A (en) 1975-09-15
SE7506226L (en) 1975-12-01
JPS515293A (en) 1976-01-16
SE417161B (en) 1981-03-02
DE2519116A1 (en) 1975-12-18
DE2519116C2 (en) 1984-12-20
IE41288L (en) 1975-11-30
FR2275405A1 (en) 1976-01-16
IE41288B1 (en) 1979-12-05
JPS5713488B2 (en) 1982-03-17
FR2275405B1 (en) 1979-04-06
NL7506342A (en) 1975-12-02
GB1500817A (en) 1978-02-15
CA1091938A (en) 1980-12-23
IT1038378B (en) 1979-11-20
CH601105A5 (en) 1978-06-30

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