ES534691A0 - Un metodo de proteger un articulo carbonoso frente a oxidacion y erosion a temperaturas elevadas - Google Patents

Un metodo de proteger un articulo carbonoso frente a oxidacion y erosion a temperaturas elevadas

Info

Publication number
ES534691A0
ES534691A0 ES534691A ES534691A ES534691A0 ES 534691 A0 ES534691 A0 ES 534691A0 ES 534691 A ES534691 A ES 534691A ES 534691 A ES534691 A ES 534691A ES 534691 A0 ES534691 A0 ES 534691A0
Authority
ES
Spain
Prior art keywords
carbonous
erosion
protecting
high temperatures
against oxidation
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.)
Granted
Application number
ES534691A
Other languages
English (en)
Other versions
ES8606226A1 (es
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of ES534691A0 publication Critical patent/ES534691A0/es
Publication of ES8606226A1 publication Critical patent/ES8606226A1/es
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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • 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
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
    • 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
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5076—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with masses bonded by inorganic cements
    • C04B41/5089—Silica sols, alkyl, ammonium or alkali metal silicate cements
    • 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
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
    • 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
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/85—Coating or impregnation with inorganic materials
    • 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
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/85—Coating or impregnation with inorganic materials
    • C04B41/87—Ceramics
    • 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
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • H05B7/02—Details
    • H05B7/06—Electrodes
    • H05B7/08—Electrodes non-consumable
    • H05B7/085—Electrodes non-consumable mainly consisting of carbon
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
  • Compositions Of Oxide Ceramics (AREA)
ES534691A 1983-07-28 1984-07-27 Un metodo de proteger un articulo carbonoso frente a oxidacion y erosion a temperaturas elevadas Expired ES8606226A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51819283A 1983-07-28 1983-07-28
US06/628,516 US4567103A (en) 1983-07-28 1984-07-12 Carbonaceous articles having oxidation prohibitive coatings thereon

Publications (2)

Publication Number Publication Date
ES534691A0 true ES534691A0 (es) 1986-04-01
ES8606226A1 ES8606226A1 (es) 1986-04-01

Family

ID=27059376

Family Applications (4)

Application Number Title Priority Date Filing Date
ES534691A Expired ES8606226A1 (es) 1983-07-28 1984-07-27 Un metodo de proteger un articulo carbonoso frente a oxidacion y erosion a temperaturas elevadas
ES543219A Expired ES8608051A1 (es) 1983-07-28 1985-05-16 Un horno de arco electrico mejorado para fabricar acero
ES549483A Expired ES8701825A1 (es) 1983-07-28 1985-12-02 Un metodo de proteger un articulo carbonoso frente a oxidacion y erosion a temperaturas elevadas.
ES554961A Expired ES8706856A1 (es) 1983-07-28 1986-05-14 Un procedimiento para proteger un electrodo de grafito contra la oxidacion y la erosion

Family Applications After (3)

Application Number Title Priority Date Filing Date
ES543219A Expired ES8608051A1 (es) 1983-07-28 1985-05-16 Un horno de arco electrico mejorado para fabricar acero
ES549483A Expired ES8701825A1 (es) 1983-07-28 1985-12-02 Un metodo de proteger un articulo carbonoso frente a oxidacion y erosion a temperaturas elevadas.
ES554961A Expired ES8706856A1 (es) 1983-07-28 1986-05-14 Un procedimiento para proteger un electrodo de grafito contra la oxidacion y la erosion

Country Status (5)

Country Link
US (1) US4567103A (es)
EP (1) EP0134770B1 (es)
CA (1) CA1228605A (es)
DE (1) DE3486115T2 (es)
ES (4) ES8606226A1 (es)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5389450A (en) * 1987-06-12 1995-02-14 Lanxide Technology Company, Lp Composite materials and methods for making the same
US5682594A (en) * 1987-06-12 1997-10-28 Lanxide Technology Company, Lp Composite materials and methods for making the same
US5202059A (en) * 1987-06-12 1993-04-13 Lanxide Technology Company, Lp Coated ceramic filler materials
US5585165A (en) * 1987-06-12 1996-12-17 Lanxide Technology Company, Lp Composite materials and methods for making the same
US4923578A (en) * 1987-10-08 1990-05-08 The Standard Oil Company Graphite composites and process for the manufacture thereof
US4857395A (en) * 1987-10-08 1989-08-15 The Standard Oil Company Graphite composites and process for the manufacture thereof
US5756160A (en) * 1988-03-28 1998-05-26 Hughes Aircraft Surface protection for carbon composite materials
FR2640619A1 (fr) * 1988-12-20 1990-06-22 Europ Propulsion Procede pour la protection anti-oxydation de produits en materiau composite contenant du carbone, et produits obtenus par le procede
US5304417A (en) * 1989-06-02 1994-04-19 Air Products And Chemicals, Inc. Graphite/carbon articles for elevated temperature service and method of manufacture
US5254359A (en) * 1989-06-02 1993-10-19 Air Products And Chemicals, Inc. Method of forming titanium nitride coatings on carbon/graphite substrates by electric arc thermal spray process using titanium feed wire and nitrogen as the atomizing gas
US5073454A (en) * 1989-09-05 1991-12-17 Westates Carbon Oxidation resistant activated carbon and method of preparation
US5221558A (en) * 1990-01-12 1993-06-22 Lanxide Technology Company, Lp Method of making ceramic composite bodies
US5153070A (en) * 1990-08-01 1992-10-06 Corning Incorporated Coated refractory article and method
FR2671798B1 (fr) * 1991-01-21 1994-03-25 Propulsion Ste Europeenne Procede pour la protection anti-oxydation d'un materiau qui, au moins en surface, est constitue d'une ceramique formee par un compose du silicium, et materiau tel qu'obtenu par le procede.
WO1993010058A1 (en) * 1991-11-20 1993-05-27 Gosudarstvenny Nauchno-Issledovatelsky Institut Konstruktsionnykh Materialov Na Osnove Grafita (Niigrafit) Composition for obtaining protective antioxidation coating on carbon article
US6001236A (en) * 1992-04-01 1999-12-14 Moltech Invent S.A. Application of refractory borides to protect carbon-containing components of aluminium production cells
US5310476A (en) * 1992-04-01 1994-05-10 Moltech Invent S.A. Application of refractory protective coatings, particularly on the surface of electrolytic cell components
US5651874A (en) * 1993-05-28 1997-07-29 Moltech Invent S.A. Method for production of aluminum utilizing protected carbon-containing components
US5364513A (en) 1992-06-12 1994-11-15 Moltech Invent S.A. Electrochemical cell component or other material having oxidation preventive coating
US5543180A (en) * 1993-05-27 1996-08-06 Ingersoll-Rand Company Moisture resistant ceramic igniter for a burner
US5486278A (en) * 1993-06-02 1996-01-23 Moltech Invent S.A. Treating prebaked carbon components for aluminum production, the treated components thereof, and the components use in an electrolytic cell
EP0905284B1 (en) * 1994-09-08 2002-04-03 MOLTECH Invent S.A. Aluminium electrowinning cell with drained cathode
US6228453B1 (en) 1995-06-07 2001-05-08 Lanxide Technology Company, Lp Composite materials comprising two jonal functions and methods for making the same
US5753163A (en) * 1995-08-28 1998-05-19 Moltech. Invent S.A. Production of bodies of refractory borides
US5753382A (en) * 1996-01-10 1998-05-19 Moltech Invent S.A. Carbon bodies resistant to deterioration by oxidizing gases
US6420073B1 (en) 1997-03-21 2002-07-16 Digital Optics Corp. Fabricating optical elements using a photoresist formed from proximity printing of a gray level mask
US5869146A (en) * 1997-11-12 1999-02-09 United Technologies Corporation Plasma sprayed mullite coatings on silicon based ceramic materials
DE10005156A1 (de) * 2000-02-07 2001-08-09 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Flache Gasentladungslampe mit Abstandselementen
CN101279859B (zh) * 2003-03-26 2012-01-04 圣戈本陶瓷及塑料股份有限公司 具有氧化层的碳化硅陶瓷部件
US7452606B2 (en) * 2003-05-01 2008-11-18 Saint-Gobain Ceramics & Plastics, Inc. Silicon carbide ceramic components having oxide layer
US20050254544A1 (en) * 2004-05-14 2005-11-17 Sgl Carbon Ag Gas-tight electrode for carbothermic reduction furnace
DE102006037561A1 (de) * 2006-08-10 2008-02-14 Siemens Ag Hochstromelektrode
EP2330868A1 (de) * 2009-12-03 2011-06-08 Siemens Aktiengesellschaft Elektrode für einen Lichtbogenofen und Verfahren zu deren Herstellung
CN103384013B (zh) * 2010-07-01 2015-09-02 格拉弗技术国际控股有限公司 石墨电极
US9963395B2 (en) 2013-12-11 2018-05-08 Baker Hughes, A Ge Company, Llc Methods of making carbon composites
CN105899903B (zh) * 2014-01-10 2018-03-13 杰富意钢铁株式会社 含碳耐火物的背面氧化抑制方法、衬里结构体和含碳耐火物
US9325012B1 (en) 2014-09-17 2016-04-26 Baker Hughes Incorporated Carbon composites
US10315922B2 (en) 2014-09-29 2019-06-11 Baker Hughes, A Ge Company, Llc Carbon composites and methods of manufacture
US10480288B2 (en) 2014-10-15 2019-11-19 Baker Hughes, A Ge Company, Llc Articles containing carbon composites and methods of manufacture
US9962903B2 (en) 2014-11-13 2018-05-08 Baker Hughes, A Ge Company, Llc Reinforced composites, methods of manufacture, and articles therefrom
US9745451B2 (en) 2014-11-17 2017-08-29 Baker Hughes Incorporated Swellable compositions, articles formed therefrom, and methods of manufacture thereof
US11097511B2 (en) 2014-11-18 2021-08-24 Baker Hughes, A Ge Company, Llc Methods of forming polymer coatings on metallic substrates
US10300627B2 (en) 2014-11-25 2019-05-28 Baker Hughes, A Ge Company, Llc Method of forming a flexible carbon composite self-lubricating seal
US10125274B2 (en) 2016-05-03 2018-11-13 Baker Hughes, A Ge Company, Llc Coatings containing carbon composite fillers and methods of manufacture
US10344559B2 (en) * 2016-05-26 2019-07-09 Baker Hughes, A Ge Company, Llc High temperature high pressure seal for downhole chemical injection applications
US10465285B2 (en) 2016-05-31 2019-11-05 Goodrich Corporation High temperature oxidation protection for composites
US10377675B2 (en) 2016-05-31 2019-08-13 Goodrich Corporation High temperature oxidation protection for composites
US10508206B2 (en) 2016-06-27 2019-12-17 Goodrich Corporation High temperature oxidation protection for composites
US10526253B2 (en) 2016-12-15 2020-01-07 Goodrich Corporation High temperature oxidation protection for composites
US11046619B2 (en) 2018-08-13 2021-06-29 Goodrich Corporation High temperature oxidation protection for composites
US11634213B2 (en) 2018-11-14 2023-04-25 Goodrich Corporation High temperature oxidation protection for composites
US20230174436A1 (en) * 2019-10-18 2023-06-08 Ghislain Gonthier Process for drying anode coating
US20210198159A1 (en) * 2019-12-27 2021-07-01 Goodrich Corporation High temperature oxidation protection for composites
CN113527917B (zh) * 2020-06-28 2022-07-12 河南颍川新材料股份有限公司 一种电解铝阳极钢爪用防腐防氧化涂层材料及其制备方法
CN111960832B (zh) * 2020-08-24 2022-10-11 青岛弘汉耐火材料有限公司 一种铝碳制品裸体烧成涂料及裸体烧成方法
CN113860915B (zh) * 2021-10-18 2022-11-22 中钢新型材料股份有限公司 一种石墨基材上硼硅玻璃涂层及其制备方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE316450C (es) *
GB894593A (en) * 1957-11-22 1962-04-26 Siemens Planiawerke Ag Improvements in or relating to shaped bodies composed of porous material, such as graphite or carbon, and having a gas tight and liquid tight surface
US3140193A (en) * 1960-04-06 1964-07-07 James S Kane Process for producing oxidation resistant refractory coating on dense graphite
US3249460A (en) * 1961-03-07 1966-05-03 Norton Co Protected refractory articles
US3348929A (en) * 1962-04-16 1967-10-24 Metalurgitschen Zd Lenin Protecting carbon materials from oxidation
GB1026055A (en) * 1962-10-02 1966-04-14 Metalurgitchen Zd Lenin Coating of carbon
US3553010A (en) * 1967-07-26 1971-01-05 Sigri Elektrographit Gmbh Carbon or graphite formed body
JPS4826597A (es) * 1971-08-04 1973-04-07
AU466850B2 (en) * 1971-11-26 1975-11-13 Foseco International Limited Protection of graphite electrodes
GB1386611A (en) * 1971-11-26 1975-03-12 Foseco Int Protection of graphite electrodes
GB1431891A (en) * 1972-03-22 1976-04-14 Foseco Int Protective coatings onto graphite articles
JPS4926308A (es) * 1972-07-05 1974-03-08
JPS533349B2 (es) * 1972-07-14 1978-02-06
GB1375553A (es) * 1972-11-08 1974-11-27
JPS5248341A (en) * 1975-10-16 1977-04-18 Ono Sokki Co Ltd Detector
IN146297B (es) * 1976-07-30 1979-04-14 Stauffer Chemical Co
JPS605556B2 (ja) * 1977-09-24 1985-02-12 播磨耐火煉瓦株式会社 黒鉛質または炭化硅素質耐火物の酸化防止方法
JPS5921851B2 (ja) * 1978-08-17 1984-05-22 電気化学工業株式会社 アルキルカルボン酸エステルの製法
US4378410A (en) * 1980-06-06 1983-03-29 Rockwell International Corporation Compliant glass for solid state devices
JPS5924111B2 (ja) * 1980-11-21 1984-06-07 イソライト・バブコツク耐火株式会社 ムライト質セラミツクフアイバ−の生成方法
JPS5841782A (ja) * 1981-09-07 1983-03-11 品川白煉瓦株式会社 黒鉛含有耐火物の酸化防止方法
US4530853A (en) * 1984-06-06 1985-07-23 Great Lakes Carbon Corporation Non-conducting oxidation retardant coating composition for carbon and graphite

Also Published As

Publication number Publication date
EP0134770A3 (en) 1986-12-03
ES543219A0 (es) 1986-06-01
ES8608051A1 (es) 1986-06-01
CA1228605A (en) 1987-10-27
DE3486115D1 (de) 1993-05-06
EP0134770A2 (en) 1985-03-20
US4567103A (en) 1986-01-28
ES8701825A1 (es) 1986-12-01
EP0134770B1 (en) 1993-03-31
ES8706856A1 (es) 1987-07-01
ES549483A0 (es) 1986-12-01
ES554961A0 (es) 1987-07-01
DE3486115T2 (de) 1993-09-09
ES8606226A1 (es) 1986-04-01

Similar Documents

Publication Publication Date Title
ES534691A0 (es) Un metodo de proteger un articulo carbonoso frente a oxidacion y erosion a temperaturas elevadas
ES534692A0 (es) Un metodo de proteger un articulo carbonoso frente a oxidacion y erosion a temperatura elevada
DE3276911D1 (en) Abradable rub strip and method of making the same
DK109395A (da) Fremgangsmåde til beskyttelse af metaloverflader
JPS5335709A (en) Purification method of oil
GB2097283B (en) Filter arrangements for the exhausts of ic engines
GB2004343B (en) Method of protecting a pipe and a wear protective element therefor
GB8426681D0 (en) Facilitating removal of protective film
JPS5795809A (en) Protection of catalyst in corrosive circumstances
JPS5740288A (en) Method of protecting figure data
GB8407500D0 (en) Protection of free metallic surfaces
JPS52131504A (en) Method of isolating and purifying olygo and polyhydroxy compound
JPS5338105A (en) Method of protecting face of slope
PH22853A (en) Method of protecting plants from nematodes
GB8420538D0 (en) Protection of metals
IT1180222B (it) Procedimento per il recupero di metalli preziosi
JPS5313507A (en) Method of protecting face of slope
JPS5332904A (en) Method of protecting face of slope and protecting block
GB2141147B (en) Gloves and method of knitting gloves
JPS5335206A (en) Method of protecting face of slope
JPS5330109A (en) Method of protecting face of slope
JPS5373808A (en) Method of protecting slope
JPS52155804A (en) Method of protecting face of slope
GB2095858B (en) Method of recording wear patterns on surfaces
BG23824A1 (en) Method of protecting metal surfaces against corrosion