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    DIAMOND POLYCRYSTAL BODY, CUTTING TOOL, WEAR-RESISTANT TOOL, GRINDING TOOL AND PRODUCTION METHOD OF DIAMOND POLYCRYSTAL BODY

    Neue Suche nach: ISHIDA TAKESHI
    Neue Suche nach: YAMAMOTO KAZUKO
    Neue Suche nach: SUMIYA HITOSHI

    PROBLEM TO BE SOLVED: To provide a diamond polycrystal body which is small in grain size and tough.SOLUTION: A diamond polycrystal body contains diamond particles, and the diamond particles have an average grain size of 50 nm or smaller, and the ratio b/a of the length b of the shorter diagonal line to the length 'a' of the longer diagonal line of Knoop impressions is 0.080 or lower, in measurement of the Knoop hardness at 23°C±5°C under the test load of 4.9 N.

    【課題】小さい粒径で、かつ強靭なダイヤモンド多結晶体を提供することを目的とする。【解決手段】ダイヤモンド多結晶体は、ダイヤモンド粒子を含み、該ダイヤモンド粒子は、５０ｎｍ以下の平均粒径を有し、２３℃?５℃における試験荷重４．９Ｎのヌープ硬度の測定において、ヌープ圧痕の対角線の長い方の対角線の長さａに対する短い方の対角線の長さｂの比ｂ／ａが０．０８０以下となるものである。【選択図】図１

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    DIAMOND POLYCRYSTAL BODY, CUTTING TOOL, WEAR-RESISTANT TOOL, GRINDING TOOL AND PRODUCTION METHOD OF DIAMOND POLYCRYSTAL BODY

    Neue Suche nach: ISHIDA TAKESHI
    Neue Suche nach: YAMAMOTO KAZUKO
    Neue Suche nach: SUMIYA HITOSHI

    PROBLEM TO BE SOLVED: To provide a diamond polycrystal body which is small in grain size and tough.SOLUTION: A diamond polycrystal body contains diamond particles, and the diamond particles have an average grain size of 50 nm or smaller, and the ratio b/a of the length b of the shorter diagonal line to the length 'a' of the longer diagonal line of Knoop impressions is 0.080 or lower, in measurement of the Knoop hardness at 23°C±5°C under the test load of 4.9 N.

    【課題】小さい粒径で、かつ強靭なダイヤモンド多結晶体を提供することを目的とする。【解決手段】ダイヤモンド多結晶体は、ダイヤモンド粒子を含み、該ダイヤモンド粒子は、５０ｎｍ以下の平均粒径を有し、２３℃?５℃における試験荷重４．９Ｎのヌープ硬度の測定において、ヌープ圧痕の対角線の長い方の対角線の長さａに対する短い方の対角線の長さｂの比ｂ／ａが０．０８０以下となるものである。【選択図】図１

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    DIAMOND POLYCRYSTAL BODY, CUTTING TOOL, WEAR-RESISTANT TOOL, GRINDING TOOL AND PRODUCTION METHOD OF DIAMOND POLYCRYSTAL BODY

    Neue Suche nach: ISHIDA TAKESHI
    Neue Suche nach: YAMAMOTO KAZUKO
    Neue Suche nach: SUMIYA HITOSHI

    PROBLEM TO BE SOLVED: To provide a diamond polycrystal body which is small in grain size and tough.SOLUTION: A diamond polycrystal body contains diamond particles, and the diamond particles have an average grain size of 50 nm or smaller, and the ratio b/a of the length b of the shorter diagonal line to the length 'a' of the longer diagonal line of Knoop impressions is 0.080 or lower, in measurement of the Knoop hardness at 23°C±5°C under the test load of 4.9 N.

    【課題】小さい粒径で、かつ強靭なダイヤモンド多結晶体を提供することを目的とする。【解決手段】ダイヤモンド多結晶体は、ダイヤモンド粒子を含み、該ダイヤモンド粒子は、５０ｎｍ以下の平均粒径を有し、２３℃?５℃における試験荷重４．９Ｎのヌープ硬度の測定において、ヌープ圧痕の対角線の長い方の対角線の長さａに対する短い方の対角線の長さｂの比ｂ／ａが０．０８０以下となるものである。【選択図】図１

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    Titel:

    DIAMOND POLYCRYSTAL BODY, CUTTING TOOL, WEAR-RESISTANT TOOL, GRINDING TOOL AND PRODUCTION METHOD OF DIAMOND POLYCRYSTAL BODY

    Weitere Titelangaben:

    ダイヤモンド多結晶体、切削工具、耐摩工具、研削工具、およびダイヤモンド多結晶体の製造方法

    Beteiligte:

    ISHIDA TAKESHI (Autor:in) / YAMAMOTO KAZUKO (Autor:in) / SUMIYA HITOSHI (Autor:in)

    Erscheinungsdatum:

    17.12.2015

    Medientyp:

    Patent

    Format:

    Elektronische Ressource

    Sprache:

    Japanisch

    Klassifikation:

    IPC:  C04B Kalk , LIME / B23B Drehen , TURNING / B24D TOOLS FOR GRINDING, BUFFING OR SHARPENING , Werkzeuge zum Schleifen, Polieren oder Schärfen / C01B NON-METALLIC ELEMENTS , Nichtmetallische Elemente

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