RU98114123A - COMPOSITION HEAT-RESISTANT AND HEAT-RESISTANT MATERIAL "REFSIC" - Google Patents

COMPOSITION HEAT-RESISTANT AND HEAT-RESISTANT MATERIAL "REFSIC"

Info

Publication number
RU98114123A
RU98114123A RU98114123/02A RU98114123A RU98114123A RU 98114123 A RU98114123 A RU 98114123A RU 98114123/02 A RU98114123/02 A RU 98114123/02A RU 98114123 A RU98114123 A RU 98114123A RU 98114123 A RU98114123 A RU 98114123A
Authority
RU
Russia
Prior art keywords
material according
composite material
molybdenum
tungsten
silicon carbide
Prior art date
Application number
RU98114123/02A
Other languages
Russian (ru)
Other versions
RU2160790C2 (en
Inventor
Б.А. Гнесин
П.А. Гуржиянц
Original Assignee
Институт физики твердого тела РАН
Filing date
Publication date
Application filed by Институт физики твердого тела РАН filed Critical Институт физики твердого тела РАН
Priority claimed from RU98114123/02A external-priority patent/RU2160790C2/en
Priority to RU98114123/02A priority Critical patent/RU2160790C2/en
Priority to IL14063399A priority patent/IL140633A/en
Priority to DK99935200.8T priority patent/DK1123908T3/en
Priority to PCT/RU1999/000221 priority patent/WO2000001637A1/en
Priority to CA002336695A priority patent/CA2336695C/en
Priority to PT99935200T priority patent/PT1123908E/en
Priority to EP99935200A priority patent/EP1123908B1/en
Priority to JP2000558045A priority patent/JP4853750B2/en
Priority to US09/743,273 priority patent/US6589898B1/en
Priority to ES99935200T priority patent/ES2368382T3/en
Priority to AT99935200T priority patent/ATE521582T1/en
Publication of RU98114123A publication Critical patent/RU98114123A/en
Publication of RU2160790C2 publication Critical patent/RU2160790C2/en
Application granted granted Critical

Links

Claims (1)

1. Композиционный жаростойкий и жаропрочный материал, содержащий карбид кремния и дисилицид молибдена MoSi2, отличающийся тем, что он дополнительно содержит W5Si3 и Mo5Si3 и (Mo,W)5Si3 и (Mo,W)5Si3C, а также WSi2 и (Mo,W)Si2 при следующем соотношении компонентов (об.%):
W5Si3 и Mo5Si3 и (Mo,W)5Si3 и (Mo,W)5Si3C и Mo5Si3C - 15-85
Карбида кремния - 2-85
Дисилициды вольфрама и молибдена WSi2 и MoSi2 и (Mo,W)Si2 - 0,8 -55
при этом в общей массе тугоплавких металлов соотношение молибдена и вольфрама в материале находится в пределах, мас.%:
Mo - 7-80
W - 20-93
2. Композиционный материал по п. 1, отличающийся тем, что он дополнительно содержит рений в количестве 0,5-20 атомн.% по отношению к суммарному содержанию замещаемых им в материале молибдена и вольфрама.1. Composite heat-resistant and heat-resistant material containing silicon carbide and molybdenum disilicide MoSi 2 , characterized in that it further comprises W 5 Si 3 and Mo 5 Si 3 and (Mo, W) 5 Si 3 and (Mo, W) 5 Si 3 C, as well as WSi 2 and (Mo, W) Si 2 in the following ratio of components (vol.%):
W 5 Si 3 and Mo 5 Si 3 and (Mo, W) 5 Si 3 and (Mo, W) 5 Si 3 C and Mo 5 Si 3 C - 15-85
Silicon Carbide - 2-85
Tungsten and molybdenum disilicides WSi 2 and MoSi 2 and (Mo, W) Si 2 - 0.8 -55
while in the total mass of refractory metals, the ratio of molybdenum and tungsten in the material is in the range, wt.%:
Mo - 7-80
W - 20-93
2. The composite material according to claim 1, characterized in that it additionally contains rhenium in an amount of 0.5-20 atomic% with respect to the total content of molybdenum and tungsten replaced by it in the material. 3. Композиционный материал по п. 1, отличающийся тем, что он дополнительно содержит частично замещающие карбид кремния включения графита и углеродные волокна в количестве 5-80% от объема, не занятого силицидами тугоплавких металлов. 3. The composite material according to claim 1, characterized in that it further comprises graphite inclusions and carbon fibers partially replacing silicon carbide in an amount of 5-80% of the volume not occupied by refractory metal silicides. 4. Композиционный материал по п. 1, отличающийся тем, что он дополнительно содержит один или несколько внутренних слоев из графита и слоев пироуплотненной углеткани или другого плотного углеродного и карбидокремниевого материала. 4. The composite material according to claim 1, characterized in that it further comprises one or more inner layers of graphite and layers of pyro-compacted carbon fabric or other dense carbon and silicon carbide material. 5. Композиционный материал по п. 1, отличающийся тем, что он дополнительно содержит в силицидных фазах один или несколько элементов из группы, включающей тантал, ниобий, титан, цирконий, гафний, при следующем соотношении этих компонентов (по отношению к суммарной массе молибдена и вольфрама, которые они замещают), мас.%: Та-0,1-18; Nb-0,1-8; Ti-0,05-10; Zr-0,05-8; Hf-0,1-16. 5. The composite material according to claim 1, characterized in that it additionally contains in the silicide phases one or more elements from the group comprising tantalum, niobium, titanium, zirconium, hafnium, in the following ratio of these components (relative to the total mass of molybdenum and tungsten, which they replace), wt.%: Ta-0,1-18; Nb-0.1-8; Ti-0.05-10; Zr-0.05-8; Hf-0.1-16. 6. Композиционный материал по п.1, отличающийся тем, что он содержит поры, занимающие 15-78% от объема материала. 6. The composite material according to claim 1, characterized in that it contains pores that occupy 15-78% of the volume of the material. 7. Электрический высокотемпературный нагреватель отличается тем, что он выполнен из композиционного материала по п.1, причем на различных участках электронагревателя могут быть намерено использованы различные варианты составов или структур предлагаемого материала. 7. An electric high-temperature heater is characterized in that it is made of a composite material according to claim 1, moreover, various versions of the compositions or structures of the proposed material may be intentionally used in different sections of the electric heater. 8. Деталь конструкции, работающая при высокой температуре, отличающаяся тем, что она выполнена из композиционного материала по п.1, причем на различных участках детали могут быть намерено использованы различные варианты составов или структур предлагаемого материала. 8. A structural member operating at high temperature, characterized in that it is made of a composite material according to claim 1, moreover, various versions of the compositions or structures of the proposed material may be intentionally used at different parts of the component.
RU98114123/02A 1998-07-07 1998-07-07 Heat-proof and heat-resisting composite material RU2160790C2 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
RU98114123/02A RU2160790C2 (en) 1998-07-07 1998-07-07 Heat-proof and heat-resisting composite material
EP99935200A EP1123908B1 (en) 1998-07-07 1999-07-05 High-temperature strength and heat-resistant composite material "refsic"
DK99935200.8T DK1123908T3 (en) 1998-07-07 1999-07-05 High temperature resistant and heat stable composite material called "REFSIC"
PCT/RU1999/000221 WO2000001637A1 (en) 1998-07-07 1999-07-05 High-temperature strength and heat-resistant composite material 'refsic'
CA002336695A CA2336695C (en) 1998-07-07 1999-07-05 Refractory and temperature-resistant composite material "refsic"
PT99935200T PT1123908E (en) 1998-07-07 1999-07-05 High-temperature strength and heat-resistant composite material "refsic"
IL14063399A IL140633A (en) 1998-07-07 1999-07-05 Refractory and temperature-resistant composite material
JP2000558045A JP4853750B2 (en) 1998-07-07 1999-07-05 Fire-resistant and heat-resistant composite material “REFSIC”
US09/743,273 US6589898B1 (en) 1998-07-07 1999-07-05 High-temperature strength and heat-resistant composite material “refsic”
ES99935200T ES2368382T3 (en) 1998-07-07 1999-07-05 COMPOSITE MATERIAL RESISTANT TO HIGH TEMPERATURES AND RESISTANT TO HEAT "REFSIC".
AT99935200T ATE521582T1 (en) 1998-07-07 1999-07-05 HIGH TEMPERATURE RESISTANT AND HEAT STABLE COMPOSITE MATERIAL ßREFSICß

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU98114123/02A RU2160790C2 (en) 1998-07-07 1998-07-07 Heat-proof and heat-resisting composite material

Publications (2)

Publication Number Publication Date
RU98114123A true RU98114123A (en) 2000-05-10
RU2160790C2 RU2160790C2 (en) 2000-12-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU98114123/02A RU2160790C2 (en) 1998-07-07 1998-07-07 Heat-proof and heat-resisting composite material

Country Status (11)

Country Link
US (1) US6589898B1 (en)
EP (1) EP1123908B1 (en)
JP (1) JP4853750B2 (en)
AT (1) ATE521582T1 (en)
CA (1) CA2336695C (en)
DK (1) DK1123908T3 (en)
ES (1) ES2368382T3 (en)
IL (1) IL140633A (en)
PT (1) PT1123908E (en)
RU (1) RU2160790C2 (en)
WO (1) WO2000001637A1 (en)

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