WO2005097379A1 - Procede de production de suspensions de poudres - Google Patents

Procede de production de suspensions de poudres Download PDF

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Publication number
WO2005097379A1
WO2005097379A1 PCT/RU2005/000122 RU2005000122W WO2005097379A1 WO 2005097379 A1 WO2005097379 A1 WO 2005097379A1 RU 2005000122 W RU2005000122 W RU 2005000122W WO 2005097379 A1 WO2005097379 A1 WO 2005097379A1
Authority
WO
WIPO (PCT)
Prior art keywords
radiation
substance
producing powder
suspensions
laser
Prior art date
Application number
PCT/RU2005/000122
Other languages
English (en)
Russian (ru)
Inventor
Alexei Konstantinovich Axenov
Lev Ivanovich Ivanov
Evgeny Evgenjevich Kazilin
Lev Vasiljevich Kovalenko
Gundar Eduardovich Folmanis
Valentina Vladimirovna Paramonova
Viktor Alexandrovich Yanushkevich
Original Assignee
Alexei Konstantinovich Axenov
Lev Ivanovich Ivanov
Evgeny Evgenjevich Kazilin
Lev Vasiljevich Kovalenko
Gundar Eduardovich Folmanis
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 Alexei Konstantinovich Axenov, Lev Ivanovich Ivanov, Evgeny Evgenjevich Kazilin, Lev Vasiljevich Kovalenko, Gundar Eduardovich Folmanis filed Critical Alexei Konstantinovich Axenov
Publication of WO2005097379A1 publication Critical patent/WO2005097379A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/12—Making metallic powder or suspensions thereof using physical processes starting from gaseous material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • B22F1/054—Nanosized particles
    • B22F1/0545—Dispersions or suspensions of nanosized particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy

Definitions

  • v ⁇ lyuchayuschy is ⁇ a ⁇ enie ⁇ sh ⁇ b ⁇ azn ⁇ g ⁇ ma ⁇ e ⁇ iala in vys ⁇ em ⁇ e ⁇ a ⁇ u ⁇ n ⁇ y z ⁇ ne is ⁇ a ⁇ i ⁇ elya ⁇ i v ⁇ zdeys ⁇ vii on neg ⁇ 5 s ⁇ abilizi ⁇ vann ⁇ y vi ⁇ em ele ⁇ dug ⁇ v ⁇ y ⁇ lazm ⁇ y, ⁇ ndensatsiyu and capture ⁇ sh ⁇ v, s ⁇ abilizatsiyu ele ⁇ dug ⁇ v ⁇ y ⁇ lazmy ⁇ susches ⁇ vlya
  • U ⁇ azanny ⁇ e ⁇ niches ⁇ y ⁇ ezul ⁇ a ⁇ d ⁇ s ⁇ igae ⁇ sya in s ⁇ s ⁇ be izg ⁇ vleniya sus ⁇ enzy ⁇ sh ⁇ v ⁇ em, ch ⁇ in s ⁇ s ⁇ be, v ⁇ lyuchayuschem is ⁇ a ⁇ enie vesches ⁇ va and ⁇ sleduyuschuyu ⁇ ndensatsiyu eg ⁇ ⁇ a ⁇ v, s ⁇ glasn ⁇ iz ⁇ b ⁇ e ⁇ eniyu, is ⁇ a ⁇ enie 15 ⁇ susches ⁇ vlyayu ⁇ gigan ⁇ s ⁇ im im ⁇ uls ⁇ m laze ⁇ n ⁇ g ⁇ radiation udeln ⁇ y ene ⁇ giey b ⁇ lee 10 ⁇ / cm ⁇ bes ⁇ echivayuschey i ⁇ nizatsiyu is ⁇ a ⁇ yaem ⁇ g ⁇ vesches ⁇ va and dli ⁇ eln ⁇ s ⁇ y
  • ch ⁇ ⁇ e ⁇ emescheniya is ⁇ a ⁇ yaem ⁇ g ⁇ vesches ⁇ va ⁇ susches ⁇ vlyayu ⁇ ⁇ a ⁇ iches ⁇ i and ⁇ em
  • ch ⁇ ⁇ e ⁇ emeschenie is ⁇ a ⁇ yaem ⁇ g ⁇ vesches ⁇ va ⁇ susches ⁇ vlyayu ⁇ ⁇ dis ⁇ e ⁇ n ⁇ y ⁇ ae ⁇ ii.
  • the proposed method is carried out in the following way. 10 Two modes of laser operation are possible: a mode of free generation and a mode of a giant pulse. ⁇ In the case of free generation, the radiation is constant from a series of continuously fading single pulses, which lasts for a short period of time. 10 "3 sec.
  • the area of the absorbed radiation is incidental to the unit of mass of the evaporated matter, notwithstanding he longer than ⁇ e ⁇ v ⁇ m case.
  • ⁇ b ⁇ aba ⁇ yvaem ⁇ e vesches ⁇ v ⁇ (selenium, zhelez ⁇ , ⁇ m or d ⁇ .) as a ⁇ las ⁇ iny or sl ⁇ ya g ⁇ anul ⁇ meschayu ⁇ on dn ⁇ ⁇ n ⁇ eyne ⁇ a 6 and za ⁇ lnyayu ⁇ ⁇ iches ⁇ i ⁇ z ⁇ achn ⁇ y zhid ⁇ s ⁇ yu for zadann ⁇ y v ⁇ lny laze ⁇ n ⁇ g ⁇ radiation, for example, ethyl alcohol or distilled water, • 5, the thickness of the layer is set in accordance with the above condition.
  • Za ⁇ em with ⁇ m ⁇ schyu gaz ⁇ v ⁇ g ⁇ laze ⁇ a ne ⁇ e ⁇ yvn ⁇ g ⁇ radiation the radiation ⁇ g ⁇ na ⁇ di ⁇ sya in vidim ⁇ y ⁇ blas ⁇ i s ⁇ e ⁇ a, yus ⁇ i ⁇ uyu ⁇ 5 ⁇ iches ⁇ uyu sis ⁇ emu, s ⁇ s ⁇ yaschuyu of ⁇ z ⁇ achn ⁇ y ⁇ l ⁇ s ⁇ a ⁇ alleln ⁇ y ⁇ las ⁇ iny 3 ⁇ izmy 4 and ⁇ usi ⁇ uyuschey lens 5, ⁇ a ⁇ im ⁇ b ⁇ az ⁇ m, ch ⁇ by a ⁇ e ⁇ u ⁇ a vidim ⁇ g ⁇ beam laze ⁇ a 1 ⁇ adala on ⁇ ve ⁇ n ⁇ s ⁇ vesches ⁇ va 7 and They emit laser radiation on the surface of the evaporated material.
  • Tables 2, 3, and 4 show the dependences of the concentration of chrome, selenium, and iron in the ethyl composition of the thick layer 5 of the liquid. For a giant impulse with a specific energy of more than 10 9 U / cm, the value is divided by a good path and is equal to approximately 1, 2 g.
  • Example 1.0 On a “pilot” installation of the Institute of Metals and Materials for them. ⁇ . ⁇ , Baikova réelle an aqueous suspension of iron was obtained. For this purpose, a glass plate was placed in the glass container from a chemically pure iron and, when the target was placed in a discrete manner, we emitted a couple of emitters. The resulting suspension contained iron at a concentration of 17.6 mg / l.
  • the obtained seeds processed corn seeds, and as a result, the germination rate of seeds increased.
  • the tests were carried out on the battlefield of the “Sagradas”. 7 EXAMPLE 2.
  • the selenium granules were irradiated.
  • a suspension of selenium was obtained in a physiological solution with a concentration of selenium of 16.3 mg / l.
  • Suspension was used for the prophylaxis of the disease of animals.
  • the tests were carried out on the 5th base of the Russian State Academy of Veterinary Medicine and Biotechnology. ⁇ .I. ⁇ rowan.
  • Example 3 The same conditions irradiated the granules of ⁇ m. As a result, we obtained a suspension of coke in water with a concentration of coke of 19.8 mg / l.
  • the declared offer meets the “Novelty” condition. 0 ⁇ mes ⁇ e with ⁇ em, ⁇ edl ⁇ zhenny s ⁇ s ⁇ b vy ⁇ e ⁇ ae ⁇ for s ⁇ etsialis ⁇ a not explicitly ⁇ b ⁇ az ⁇ m of izves ⁇ n ⁇ g ⁇ u ⁇ vnya ⁇ e ⁇ ni ⁇ i, ⁇ s ⁇ l ⁇ u sus ⁇ enziya, s ⁇ de ⁇ zhaschaya vys ⁇ dis ⁇ e ⁇ snye chas ⁇ itsy is ⁇ a ⁇ enn ⁇ g ⁇ vesches ⁇ va, izg ⁇ avlivae ⁇ sya for ⁇ din ⁇ e ⁇ n ⁇ l ⁇ giches ⁇ y ⁇ iem, ⁇ .e.
  • the device complies with the “inventive step” condition.
  • Patent ⁇ Lz 2055698, ⁇ .cl. ⁇ 22 ⁇ 9/02, 1996 Patent ⁇ - ⁇ _> 2021851 ⁇ .cl. ⁇ 22 ⁇ 9/02, 1994 3.
  • Patent ⁇ L ° 2185931 ⁇ .cl. ⁇ 22 ⁇ 9/02, 2002 Patent ⁇ ⁇ 2207933, ⁇ .cl. ⁇ 22 ⁇ 9/12, 2003

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

Cette invention concerne un procédé permettant de produire des matériaux en poudre, tels que des solutions colloïdales, au moyen d'une technique laser et de processus physiques de condensation et permettant plus précisément de produire diverses poudres et suspensions utilisées en médecine, en pharmacologie, dans l'industrie agricole et autres secteurs. Le procédé de production de suspensions de poudres de cette invention consiste à évaporer une substance à l'aide d'une impulsion géante d'un rayonnement laser dont l'énergie spécifique, qui ionise une substance pouvant s'évaporer, est supérieure à 109 W/cm2 et dont la durée est inférieure à 10-8 secondes. La substance pouvant s'évaporer est déplacée vers un plan focal par rapport à un point de focalisation d'un rayonnement laser. Les vapeurs sont condensées dans un liquide optiquement transparent. Le déplacement de la substance pouvant s'évaporer peut être effectuée de façon chaotique et le long d'une trajectoire discrète. Ce procédé permet d'accroître l'efficacité du processus et de réduire la coagulation de poudres dispersées.
PCT/RU2005/000122 2004-04-08 2005-03-18 Procede de production de suspensions de poudres WO2005097379A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2004110613/02A RU2255836C1 (ru) 2004-04-08 2004-04-08 Способ изготовления суспензий порошков
RU2004110613 2004-04-08

Publications (1)

Publication Number Publication Date
WO2005097379A1 true WO2005097379A1 (fr) 2005-10-20

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Country Status (2)

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RU (1) RU2255836C1 (fr)
WO (1) WO2005097379A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100457335C (zh) * 2006-12-19 2009-02-04 浙江工业大学 液相中脉冲激光烧蚀制备金属纳米粒子胶体的装置
CN102909382A (zh) * 2011-08-01 2013-02-06 中国科学院物理研究所 一种在有机溶剂中制备金属纳米颗粒的装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001036133A1 (fr) * 1999-11-18 2001-05-25 Huazhong University Of Science And Technology Dispositif et procede de preparation d'une poudre tres fine faisant appel a la chaleur et a l'evaporation
RU2183535C1 (ru) * 2001-02-19 2002-06-20 Институт прикладной механики Уральского отделения РАН Способ получения металлических кластеров и устройство для его осуществления
RU2185931C1 (ru) * 2001-01-24 2002-07-27 Институт электрофизики Уральского отделения РАН Способ получения нанопорошков сложных соединений и смесевых составов и устройство для его реализации
RU2207933C2 (ru) * 2001-07-10 2003-07-10 Кириллин Андрей Владимирович Способ получения ультрадисперсного порошка и устройство для его осуществления

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001036133A1 (fr) * 1999-11-18 2001-05-25 Huazhong University Of Science And Technology Dispositif et procede de preparation d'une poudre tres fine faisant appel a la chaleur et a l'evaporation
RU2185931C1 (ru) * 2001-01-24 2002-07-27 Институт электрофизики Уральского отделения РАН Способ получения нанопорошков сложных соединений и смесевых составов и устройство для его реализации
RU2183535C1 (ru) * 2001-02-19 2002-06-20 Институт прикладной механики Уральского отделения РАН Способ получения металлических кластеров и устройство для его осуществления
RU2207933C2 (ru) * 2001-07-10 2003-07-10 Кириллин Андрей Владимирович Способ получения ультрадисперсного порошка и устройство для его осуществления

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100457335C (zh) * 2006-12-19 2009-02-04 浙江工业大学 液相中脉冲激光烧蚀制备金属纳米粒子胶体的装置
CN102909382A (zh) * 2011-08-01 2013-02-06 中国科学院物理研究所 一种在有机溶剂中制备金属纳米颗粒的装置
CN102909382B (zh) * 2011-08-01 2014-08-20 中国科学院物理研究所 一种在有机溶剂中制备金属纳米颗粒的装置

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Publication number Publication date
RU2255836C1 (ru) 2005-07-10

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