YU128688A - Method for making ceramic/metallic mediums for heat accumulation as well as their's products - Google Patents
Method for making ceramic/metallic mediums for heat accumulation as well as their's productsInfo
- Publication number
- YU128688A YU128688A YU01286/88A YU128688A YU128688A YU 128688 A YU128688 A YU 128688A YU 01286/88 A YU01286/88 A YU 01286/88A YU 128688 A YU128688 A YU 128688A YU 128688 A YU128688 A YU 128688A
- Authority
- YU
- Yugoslavia
- Prior art keywords
- parent metal
- products
- well
- metal
- heat accumulation
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
- C04B35/65—Reaction sintering of free metal- or free silicon-containing compositions
-
- 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
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12007—Component of composite having metal continuous phase interengaged with nonmetal continuous phase
-
- 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
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/131—Glass, ceramic, or sintered, fused, fired, or calcined metal oxide or metal carbide containing [e.g., porcelain, brick, cement, etc.]
- Y10T428/1314—Contains fabric, fiber particle, or filament made of glass, ceramic, or sintered, fused, fired, or calcined metal oxide, or metal carbide or other inorganic compound [e.g., fiber glass, mineral fiber, sand, etc.]
-
- 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
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/131—Glass, ceramic, or sintered, fused, fired, or calcined metal oxide or metal carbide containing [e.g., porcelain, brick, cement, etc.]
- Y10T428/1317—Multilayer [continuous layer]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Medicinal Preparation (AREA)
- Table Devices Or Equipment (AREA)
- Ceramic Products (AREA)
- Materials For Medical Uses (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Fats And Perfumes (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Chemically Coating (AREA)
- Central Heating Systems (AREA)
- Furnace Charging Or Discharging (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/069,732 US4873038A (en) | 1987-07-06 | 1987-07-06 | Method for producing ceramic/metal heat storage media, and to the product thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
YU128688A true YU128688A (en) | 1990-04-30 |
Family
ID=22090869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
YU01286/88A YU128688A (en) | 1987-07-06 | 1988-07-01 | Method for making ceramic/metallic mediums for heat accumulation as well as their's products |
Country Status (28)
Country | Link |
---|---|
US (1) | US4873038A (sv) |
EP (1) | EP0299903B1 (sv) |
JP (1) | JPH01113486A (sv) |
KR (1) | KR960000474B1 (sv) |
CN (1) | CN1030403A (sv) |
AT (1) | ATE84562T1 (sv) |
AU (1) | AU603462B2 (sv) |
BG (1) | BG60378B1 (sv) |
BR (1) | BR8803313A (sv) |
CA (1) | CA1318774C (sv) |
CS (1) | CS276901B6 (sv) |
DD (1) | DD281812A5 (sv) |
DE (1) | DE3877444T2 (sv) |
DK (1) | DK372588A (sv) |
FI (1) | FI93224C (sv) |
HU (1) | HUT63130A (sv) |
IL (1) | IL86986A (sv) |
IN (1) | IN169536B (sv) |
MX (1) | MX168772B (sv) |
NO (1) | NO176806C (sv) |
NZ (1) | NZ225291A (sv) |
PH (1) | PH25710A (sv) |
PL (1) | PL159873B1 (sv) |
PT (1) | PT87915B (sv) |
RO (1) | RO101830B1 (sv) |
RU (1) | RU1794074C (sv) |
YU (1) | YU128688A (sv) |
ZA (1) | ZA884789B (sv) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5202059A (en) * | 1987-06-12 | 1993-04-13 | Lanxide Technology Company, Lp | Coated ceramic filler materials |
JPH05507123A (ja) * | 1990-05-09 | 1993-10-14 | ランキサイド テクノロジー カンパニー,リミティド パートナーシップ | 金属マトリックス複合材を得るためのバリヤ材料 |
US5505248A (en) * | 1990-05-09 | 1996-04-09 | Lanxide Technology Company, Lp | Barrier materials for making metal matrix composites |
AU643089B2 (en) * | 1991-02-15 | 1993-11-04 | Toa Medical Electronics Co., Ltd. | Apparatus for regulating liquid temperature |
US7153338B2 (en) * | 2003-05-20 | 2006-12-26 | Exxonmobil Research And Engineering Company | Advanced erosion resistant oxide cermets |
US7175687B2 (en) * | 2003-05-20 | 2007-02-13 | Exxonmobil Research And Engineering Company | Advanced erosion-corrosion resistant boride cermets |
US7175686B2 (en) * | 2003-05-20 | 2007-02-13 | Exxonmobil Research And Engineering Company | Erosion-corrosion resistant nitride cermets |
US7074253B2 (en) * | 2003-05-20 | 2006-07-11 | Exxonmobil Research And Engineering Company | Advanced erosion resistant carbide cermets with superior high temperature corrosion resistance |
US7544228B2 (en) * | 2003-05-20 | 2009-06-09 | Exxonmobil Research And Engineering Company | Large particle size and bimodal advanced erosion resistant oxide cermets |
DE10335425B3 (de) | 2003-08-01 | 2004-08-26 | Öko-Insel Energietechnik GmbH | Wärmespeicher |
US7731776B2 (en) | 2005-12-02 | 2010-06-08 | Exxonmobil Research And Engineering Company | Bimodal and multimodal dense boride cermets with superior erosion performance |
DE102006019339B3 (de) * | 2006-04-24 | 2008-01-31 | Henze, Michael, Dipl.-Ing. | Künstlicher Wasser-Wärmespeicher unter der Erde |
EP2220343B8 (en) * | 2007-10-03 | 2013-07-24 | Isentropic Limited | Energy storage apparatus and method for storing energy |
WO2009067178A1 (en) * | 2007-11-20 | 2009-05-28 | Exxonmobil Research And Engineering Company | Bimodal and multimodal dense boride cermets with low melting point binder |
US20110108020A1 (en) * | 2009-11-11 | 2011-05-12 | Mcenerney Bryan William | Ballast member for reducing active volume of a vessel |
CN102236460B (zh) * | 2010-04-28 | 2013-11-27 | 周正三 | 感测装置、微型触控装置及感测装置的制造方法 |
US8701653B2 (en) * | 2010-06-22 | 2014-04-22 | Alan J. Spero | High energy density thermal storage device and method |
US20120018116A1 (en) * | 2010-07-21 | 2012-01-26 | Terrafore, Inc | Thermal energy storage system comprising encapsulated phase change material |
US20120037337A1 (en) * | 2010-08-16 | 2012-02-16 | Zillmer Andrew J | Heat transfer system, apparatus, and method therefor |
CN102252545A (zh) * | 2011-05-23 | 2011-11-23 | 武汉理工大学 | 一种应用于太阳能空调的熔融盐相变蓄热装置 |
WO2013061978A2 (ja) * | 2011-10-24 | 2013-05-02 | 国立大学法人北海道大学 | 潜熱蓄熱材及び蓄熱体 |
FR2996630B1 (fr) | 2012-10-09 | 2014-12-19 | Commissariat Energie Atomique | Procede de realisation d'un echangeur de chaleur contenant un materiau a changement de phase, echangeur obtenu et utilisations aux hautes temperatures. |
US20140182319A1 (en) * | 2012-12-28 | 2014-07-03 | Arlon J. Hunt | Thermal energy storage for temperature regulation in electric vehicles |
US9650556B2 (en) | 2013-01-24 | 2017-05-16 | Southwest Research Institute | Encapsulation of high temperature molten salts |
US9181838B2 (en) | 2014-04-07 | 2015-11-10 | Ford Global Technologies, Llc | Temperature maintenance and regulation of vehicle exhaust catalyst systems with phase change materials |
US9566552B2 (en) | 2014-04-07 | 2017-02-14 | Ford Global Technologies, Llc | Temperature maintenance and regulation of vehicle exhaust catalyst systems with phase change materials |
US10563108B2 (en) * | 2014-04-24 | 2020-02-18 | National University Corporation Hokkaido University | Latent heat storage body, method for producing latent heat storage body and heat exchange material |
JP2016079351A (ja) * | 2014-10-22 | 2016-05-16 | 株式会社デンソー | 複合蓄熱材 |
JP7149474B2 (ja) | 2016-05-17 | 2022-10-07 | 国立大学法人北海道大学 | 潜熱蓄熱体マイクロカプセルおよび潜熱蓄熱体マイクロカプセルの製造方法 |
IT201700073173A1 (it) * | 2017-06-29 | 2018-12-29 | Danieli Off Mecc | Dispositivo di accumulo energetico e relativo metodo di realizzazione |
US11566529B2 (en) | 2017-08-22 | 2023-01-31 | General Electric Company | Turbine component with bounded wear coat |
JP7016109B2 (ja) * | 2018-02-15 | 2022-02-04 | 国立大学法人東海国立大学機構 | 複合構造体、複合構造体の製造方法、及び蓄熱方法 |
CN109443023B (zh) * | 2018-12-19 | 2024-10-01 | 中冶焦耐(大连)工程技术有限公司 | 一种棱锥体松化料层填料 |
JP7471663B2 (ja) * | 2019-08-23 | 2024-04-22 | 国立大学法人北海道大学 | 潜熱蓄熱材用マイクロカプセル及びその製造方法、並びに、潜熱蓄熱材用マイクロカプセルを含む粉末、及び当該粉末を含む蓄熱装置 |
JP2023172734A (ja) * | 2022-05-24 | 2023-12-06 | 新光電気工業株式会社 | 潜熱蓄熱体及び潜熱蓄熱体の製造方法 |
JP2023172735A (ja) * | 2022-05-24 | 2023-12-06 | 新光電気工業株式会社 | 潜熱蓄熱体及び潜熱蓄熱体の製造方法 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2741822A (en) * | 1951-01-29 | 1956-04-17 | Carborundum Co | Preparation of refractory products |
US3255027A (en) * | 1962-09-07 | 1966-06-07 | Du Pont | Refractory product and process |
US3298842A (en) * | 1963-03-22 | 1967-01-17 | Du Pont | Process for preparing hollow refractory particles |
US3296002A (en) * | 1963-07-11 | 1967-01-03 | Du Pont | Refractory shapes |
US3419404A (en) * | 1964-06-26 | 1968-12-31 | Minnesota Mining & Mfg | Partially nitrided aluminum refractory material |
US3473987A (en) * | 1965-07-13 | 1969-10-21 | Du Pont | Method of making thin-walled refractory structures |
DE1567844A1 (de) * | 1965-08-13 | 1970-10-22 | Tokyo Shibaura Electric Co | Methode zur Herstellung einer gesinterten Masse von Aluminium-Nitrid |
US3421863A (en) * | 1966-03-04 | 1969-01-14 | Texas Instruments Inc | Cermet material and method of making same |
US3437468A (en) * | 1966-05-06 | 1969-04-08 | Du Pont | Alumina-spinel composite material |
US3789096A (en) * | 1967-06-01 | 1974-01-29 | Kaman Sciences Corp | Method of impregnating porous refractory bodies with inorganic chromium compound |
US3473938A (en) * | 1968-04-05 | 1969-10-21 | Du Pont | Process for making high strength refractory structures |
JPS5013205B1 (sv) * | 1969-11-08 | 1975-05-17 | ||
US3864154A (en) * | 1972-11-09 | 1975-02-04 | Us Army | Ceramic-metal systems by infiltration |
US3973977A (en) * | 1973-11-01 | 1976-08-10 | Corning Glass Works | Making spinel and aluminum-base metal cermet |
JPS5426014A (en) * | 1977-07-29 | 1979-02-27 | Fuji Giken Kogyo | Vacuum block |
US4146057A (en) * | 1977-11-07 | 1979-03-27 | Rockwell International Corporation | Thermal buffer system |
US4512388A (en) * | 1981-06-19 | 1985-04-23 | Institute Of Gas Technology | High-temperature direct-contact thermal energy storage using phase-change media |
DE3210370C2 (de) * | 1982-02-11 | 1984-04-12 | Walter Dr. 5902 Unglinghausen Helmbold | Langzeit-Wärmespeicher |
DE3381519D1 (de) * | 1983-02-16 | 1990-06-07 | Moltech Invent Sa | Gesinterte metall-keramikverbundwerkstoffe und ihre herstellung. |
NZ211405A (en) * | 1984-03-16 | 1988-03-30 | Lanxide Corp | Producing ceramic structures by oxidising liquid phase parent metal with vapour phase oxidising environment; certain structures |
NZ212704A (en) * | 1984-07-20 | 1989-01-06 | Lanxide Corp | Producing self-supporting ceramic structure |
US4851375A (en) * | 1985-02-04 | 1989-07-25 | Lanxide Technology Company, Lp | Methods of making composite ceramic articles having embedded filler |
JPS6212678A (ja) * | 1985-02-04 | 1987-01-21 | ランキサイド テクノロジー カンパニー,リミティド パートナーシップ | 複合セラミック体の製造方法 |
US4657067A (en) * | 1985-06-19 | 1987-04-14 | Ohio State University | Hypereutectic direct-contact thermal storage material and method of production thereof |
MX164959B (es) * | 1986-05-08 | 1992-10-09 | Lanxide Tecnology Company Lp | Un metodo para producir un cuerpo compuesto ceramico |
US4923832A (en) * | 1986-05-08 | 1990-05-08 | Lanxide Technology Company, Lp | Method of making shaped ceramic composites with the use of a barrier |
-
1987
- 1987-07-06 US US07/069,732 patent/US4873038A/en not_active Expired - Fee Related
-
1988
- 1988-07-01 AU AU18623/88A patent/AU603462B2/en not_active Ceased
- 1988-07-01 IN IN542/CAL/88A patent/IN169536B/en unknown
- 1988-07-01 YU YU01286/88A patent/YU128688A/xx unknown
- 1988-07-01 NO NO882937A patent/NO176806C/no unknown
- 1988-07-04 BR BR8803313A patent/BR8803313A/pt not_active Application Discontinuation
- 1988-07-04 DD DD88317545A patent/DD281812A5/de not_active IP Right Cessation
- 1988-07-04 CS CS884848A patent/CS276901B6/cs unknown
- 1988-07-04 IL IL86986A patent/IL86986A/xx not_active IP Right Cessation
- 1988-07-04 PH PH37163A patent/PH25710A/en unknown
- 1988-07-05 DK DK372588A patent/DK372588A/da not_active Application Discontinuation
- 1988-07-05 MX MX012180A patent/MX168772B/es unknown
- 1988-07-05 RO RO1988134374A patent/RO101830B1/ro unknown
- 1988-07-05 PT PT87915A patent/PT87915B/pt not_active IP Right Cessation
- 1988-07-05 DE DE8888630122T patent/DE3877444T2/de not_active Expired - Fee Related
- 1988-07-05 ZA ZA884789A patent/ZA884789B/xx unknown
- 1988-07-05 BG BG84765A patent/BG60378B1/bg unknown
- 1988-07-05 EP EP88630122A patent/EP0299903B1/en not_active Expired - Lifetime
- 1988-07-05 NZ NZ225291A patent/NZ225291A/xx unknown
- 1988-07-05 CN CN88104148A patent/CN1030403A/zh active Pending
- 1988-07-05 PL PL1988273535A patent/PL159873B1/pl unknown
- 1988-07-05 HU HU883523A patent/HUT63130A/hu unknown
- 1988-07-05 AT AT88630122T patent/ATE84562T1/de not_active IP Right Cessation
- 1988-07-05 RU SU884356002A patent/RU1794074C/ru active
- 1988-07-06 CA CA000571327A patent/CA1318774C/en not_active Expired - Fee Related
- 1988-07-06 JP JP63168656A patent/JPH01113486A/ja active Pending
- 1988-07-06 FI FI883227A patent/FI93224C/sv not_active IP Right Cessation
- 1988-07-06 KR KR1019880008455A patent/KR960000474B1/ko not_active IP Right Cessation
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
YU128688A (en) | Method for making ceramic/metallic mediums for heat accumulation as well as their's products | |
DE3070708D1 (en) | A method of preparing a copper catalyzed silicon reaction mass | |
YU143087A (en) | Process for producing ceramic article containing modified metal component | |
JPS56167788A (en) | Manufacture of carbon processed article precursor | |
GB8313293D0 (en) | Article for facilitating manufacture of bondable metallic surface | |
SE8201678L (sv) | Sett att framstella foremal av mjukmagnetiskt material | |
GB8802357D0 (en) | Method of manufacturing flat forms from metal powder & product formed therefrom | |
PL276383A1 (en) | Method of obtaining cyclopropane derivvatives | |
EP0351154A3 (en) | Metal-coated plastic product mould and procedure for manufacturing the same | |
JPS5573801A (en) | Production of high density powdery metal press densified article | |
TH6253EX (th) | วิธีการผลิตวัตถุพวกเซรามิค/โลหะที่เป็นตัวกลางเก็บความร้อน และผลิตภัณฑ์จากกรรมวิธีดังกล่าว | |
ZA876900B (en) | Ceramic composite structures having intrinsically fitted encasement members thereon and methods of making the same | |
DE3466682D1 (en) | Process for the preparation of beta-hydroxypropionic acid amide | |
JPS54113610A (en) | Production of heat decomposed metal carbide formed body | |
GR3018553T3 (en) | Formation of hydroxyaromatic ketoacetal from an hydroxyaromatic methylketone and production of 5-(4'-hydroxyphenyl)hydantoin and D-p-hydroxyphenylglycine from 4-hydroxyacetophenone | |
IT8748213A0 (it) | Procedimento per ridurre la formazione di depositi carboniosi sulla superficie di prodotti metallici da sottoporre a ricottura |