RU2005118753A - Сверхтонкозернистое алмазное спеченное изделие высокой чистоты и высокой твердости - Google Patents

Сверхтонкозернистое алмазное спеченное изделие высокой чистоты и высокой твердости Download PDF

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RU2005118753A
RU2005118753A RU2005118753/03A RU2005118753A RU2005118753A RU 2005118753 A RU2005118753 A RU 2005118753A RU 2005118753/03 A RU2005118753/03 A RU 2005118753/03A RU 2005118753 A RU2005118753 A RU 2005118753A RU 2005118753 A RU2005118753 A RU 2005118753A
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powder
ultrafine
grained
high purity
high hardness
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RU2005118753/03A
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RU2312843C2 (ru
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Минору АКАИШИ (JP)
Минору АКАИШИ
Кейго КАВАМУРА (JP)
Кейго КАВАМУРА
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Джэпэн Сайенс Энд Текнолоджи Эдженси (Jp)
Джэпэн Сайенс Энд Текнолоджи Эдженси
Нэшэнл Инститьют Фор Материалз Сайенс (Jp)
Нэшэнл Инститьют Фор Материалз Сайенс
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  • Crystallography & Structural Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
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Claims (4)

1. Сверхтонкозернистое алмазное спеченное изделие высокой чистоты и высокой твердости, имеющее размер зерна, составляющий 100 нм или менее, которое получено путем подвергания сверхтонкозернистого природного алмазного порошка, имеющего гранулометрический разброс от нуля до 0,1 мкм, десиликации, сублимационной сушке порошка, подвергнутого десиликации, в растворе и спеканию осушенного сублимацией порошка без спекающей добавки.
2. Сверхтонкозернистое алмазное спеченное изделие высокой чистоты и высокой твердости по п.1, которое способно пропускать свет.
3. Способ получения сверхтонкозернистого алмазного спеченного изделия высокой чистоты и высокой твердости, предусматривающий десиликацию сверхтонкозернистого природного алмазного порошка, имеющего гранулометрический разброс от нуля до 0,1 мкм; сублимационную сушку подвергнутого десиликации порошка в растворе; заключение осушенного сублимацией порошка в танталовую или молибденовую капсулу; и нагрев и приложение избыточного давления к капсуле, используя устройство для синтеза при сверхвысоком давлении при температуре 1700°С или более и под давлением 8,5 ГПа или более, которые отвечают условиям термодинамической стабильности алмаза, для спекания осушенного сублимацией порошка.
4. Способ по п.3, в котором указанный нагрев и приложение избыточного давления осуществляют при температуре 2150°С или более и под давлением 8,5 ГПа, благодаря чему спеченное изделие способно пропускать свет.
RU2005118753/03A 2002-11-15 2003-11-12 Сверхтонкозернистое алмазное спеченное изделие высокой чистоты и высокой твердости RU2312843C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002-332730 2002-11-15
JP2002332730A JP3992595B2 (ja) 2002-11-15 2002-11-15 高純度高硬度超微粒ダイヤモンド焼結体の製造法

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RU2005118753A true RU2005118753A (ru) 2006-01-20
RU2312843C2 RU2312843C2 (ru) 2007-12-20

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US (1) US20060115408A1 (ru)
JP (1) JP3992595B2 (ru)
KR (1) KR100642840B1 (ru)
CN (1) CN100384776C (ru)
RU (1) RU2312843C2 (ru)
WO (1) WO2004046062A1 (ru)
ZA (1) ZA200504183B (ru)

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JP3877677B2 (ja) * 2002-12-18 2007-02-07 独立行政法人科学技術振興機構 耐熱性ダイヤモンド複合焼結体とその製造法
EP1704913B1 (en) 2003-12-11 2016-05-18 Sumitomo Electric Industries, Ltd. High-hardness conductive diamond polycrystalline body and method for producing same
US20090152015A1 (en) * 2006-06-16 2009-06-18 Us Synthetic Corporation Superabrasive materials and compacts, methods of fabricating same, and applications using same
US8316969B1 (en) 2006-06-16 2012-11-27 Us Synthetic Corporation Superabrasive materials and methods of manufacture
JP4900803B2 (ja) * 2007-01-24 2012-03-21 住友電気工業株式会社 ダイヤモンド圧子
KR20100014777A (ko) * 2007-02-02 2010-02-11 스미또모 덴꼬오 하드메탈 가부시끼가이샤 다이아몬드 소결체 및 그 제조 방법
KR101604730B1 (ko) 2008-02-06 2016-03-18 스미토모덴키고교가부시키가이샤 다이아몬드 다결정체
US7806206B1 (en) 2008-02-15 2010-10-05 Us Synthetic Corporation Superabrasive materials, methods of fabricating same, and applications using same
US9108252B2 (en) 2011-01-21 2015-08-18 Kennametal Inc. Modular drill with diamond cutting edges
GB201311849D0 (en) 2013-07-02 2013-08-14 Element Six Ltd Super-hard constructions and methods for making and processing same
US10399149B2 (en) * 2015-10-30 2019-09-03 Sumitomo Electric Industries, Ltd. Composite polycrystal
EP3369706B1 (en) * 2015-10-30 2021-12-01 Sumitomo Electric Industries, Ltd. Composite polycrystal
CN107108229B (zh) * 2015-10-30 2021-11-19 住友电气工业株式会社 复合多晶体
CN112915922A (zh) * 2021-01-27 2021-06-08 山东昌润钻石股份有限公司 一种超细金刚石的原生合成方法
CN115894001B (zh) * 2023-03-10 2023-05-09 湖南康纳新材料有限公司 高硬度耐磨的树脂渗透陶瓷复合材料及其制备方法和应用

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US4610699A (en) * 1984-01-18 1986-09-09 Sumitomo Electric Industries, Ltd. Hard diamond sintered body and the method for producing the same
US5047182A (en) * 1987-11-25 1991-09-10 Ceramics Process Systems Corporation Complex ceramic and metallic shaped by low pressure forming and sublimative drying
US6337060B1 (en) * 1995-07-10 2002-01-08 The Ishizuka Research Institute, Ltd. Hydrophilic diamond particles and method of producing the same
JP3103507B2 (ja) * 1996-06-07 2000-10-30 株式会社石塚研究所 不純ダイヤモンド粉末の精製法
JP3550587B2 (ja) * 2000-12-18 2004-08-04 独立行政法人 科学技術振興機構 微粒ダイヤモンド焼結体の製造方法
JP4014415B2 (ja) * 2002-02-07 2007-11-28 独立行政法人科学技術振興機構 高硬度微粒ダイヤモンド焼結体の製造法

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ZA200504183B (en) 2006-06-28
RU2312843C2 (ru) 2007-12-20
JP3992595B2 (ja) 2007-10-17
WO2004046062A1 (ja) 2004-06-03
CN1711222A (zh) 2005-12-21
CN100384776C (zh) 2008-04-30
US20060115408A1 (en) 2006-06-01
KR100642840B1 (ko) 2006-11-10
KR20050086600A (ko) 2005-08-30
JP2004168554A (ja) 2004-06-17

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