CN100415684C - Aluminum oxide enhanced titanium-silicon-aluminum-carbon base ceramics composite material and preparing method thereof - Google Patents

Aluminum oxide enhanced titanium-silicon-aluminum-carbon base ceramics composite material and preparing method thereof Download PDF

Info

Publication number
CN100415684C
CN100415684C CNB2006100460142A CN200610046014A CN100415684C CN 100415684 C CN100415684 C CN 100415684C CN B2006100460142 A CNB2006100460142 A CN B2006100460142A CN 200610046014 A CN200610046014 A CN 200610046014A CN 100415684 C CN100415684 C CN 100415684C
Authority
CN
China
Prior art keywords
powder
aluminum oxide
silicon
aluminum
ceramic composite
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.)
Expired - Fee Related
Application number
CNB2006100460142A
Other languages
Chinese (zh)
Other versions
CN101033135A (en
Inventor
周延春
胡春峰
万德田
包亦望
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.)
Institute of Metal Research of CAS
Original Assignee
Institute of Metal Research of CAS
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 Institute of Metal Research of CAS filed Critical Institute of Metal Research of CAS
Priority to CNB2006100460142A priority Critical patent/CN100415684C/en
Publication of CN101033135A publication Critical patent/CN101033135A/en
Application granted granted Critical
Publication of CN100415684C publication Critical patent/CN100415684C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

This invention relates to a ceramic base compound material of Al2O3 strengthened TiSiAlC base(Ti3Sil-xAlxC2/Al2O3, in which, x is greater than or equal to 0 and less or equal to 0.1) prepared by hot pressure and its preparation method, in which, Ti3Sil-xAlxC2 is generated in site, Al2O3 as the strengthened phase exists in the Ti2Sil-xAlxC2 matrix. The preparation method includes: first of all taking Ti powder, Si powder, Al powder, Graphite powder and Al2O3 powder as the raw materials, the absolute alcohol as the medium to ball-mill them in a agate jar for 16-24h to be dried and screened and put into a graphite die to be cold-pressed and molded(10-20MPa), then sintered in a hot pressing kiln with vacuum or Ar under 1500-1600deg.C for 30-120min, the rising speed is 10-15deg./min and the force is 20-40MPa.

Description

A kind of aluminum oxide enhanced titanium-silicon-aluminum carbon ceramic composite materials and preparation method thereof
Technical field
The present invention relates to ceramic matric composite and preparation method, be specially a kind of hot pressing and prepare aluminum oxide enhanced titanium-silicon-aluminum carbon (Ti 3Si 1-xAl xC 2(0＜x≤0.1)) ceramic composite and preparation method thereof.
Background technology
From M.W.Barsoum etc. by reaction hot-pressing technology synthesizing block Ti first 3SiC 2Since (Joumal oftheAmerican Ceramic Society, 79 (1996) 1953-6), Ti 3SiC 2With its unique nano lamellar crystalline-granular texture, have the pottery and the characteristics of metal concurrently: low density, soft, high-modulus, high-fracture toughness, good thermal shock resistance and high temperature oxidation resistance, favorable conductive and thermal conductivity, become the high temperature application structure material that has potentiality, become the focus of world research.Employing Ti, Si such as Y.C.Zhou and C powder are raw material, have prepared purer Ti by in-situ hot pressing solid/liquid phase reaction 3SiC 2Block materials (Material ResearchInnovation, 2 (1998) 142-6).Y.C.Zhou etc. utilize Al to replace Ti 3SiC 2In a part of Si, prepared Ti 3Si 1-xAl xC 2Sosoloid (Materials Research Innovations, 8 (2004) 97-102).Researchs such as H.B.Zhang are thought and are formed Ti 3Si 0.9Al 0.1C 2Sosoloid can improve its high-temperature oxidation resistance (ActaMaterialia, 52 (2004) 3631-7).
Ti 3SiC 2As structural ceramic material, wear resistance is very big to the influence in its work-ing life.Report such as T.El-Raghy coarse-grain Ti 3SiC 2(100 μ m) is than thin brilliant Ti 3SiC 2(5 μ m) has higher wearing resistance (Wear, 238 (2000) 125-30).Y.Zhang etc. think Ti 3SiC 2Be non-self-lubricating, with from as frictional coefficient very high (1.16-1.43) (MaterialsLetters, 55 (2002) 285-9) when grinding pair.D.Sarkar etc. determine Ti 3SiC 2Wearing and tearing are accompanied by the friction oxidation reaction, increase wear rate with loaded value and also increase (Joumal ofthe American Ceramic Society, 88 (2005) 3245-8) thereupon.Ti is thought in synthetic study 3SiC 2Wear resisting property undesirable, be to improve the approach of wear resistance and add hard phase particles.Because Al 2O 3Have high elastic coefficient and high rigidity, and and Ti 3SiC 2Have chemical compatibility and close thermal expansivity, so preparation Ti 3SiC 2/ Al 2O 3Matrix material becomes the target of research.H.J.Wang etc. (Ceramics International, 28 (2002) 931-4) adopt Ti powder, TiC powder, Si powder and Al 2O 3Powder is hot pressed sintering Ti in the SPS system 3SiC 2/ Al 2O 3Matrix material.Y.M.Luo etc. (Materials Letters, 57 (2003) 2509-14) are by at first preparing Ti 3SiC 2Powder is used Ti again 3SiC 2Powder and Al 2O 3Powder is mixed in proportion preparation Al 2O 3/ Ti 3SiC 2Matrix material, complex process, cost is higher.S.B.Li etc. (Composites Science and Technology, 63 (2003) 813-9) are with the TiH powder, Si powder, C powder and Al 2O 3Powder is raw material hot pressing under vacuum condition, has only synthesized 8wt.%Al 2O 3Ti 3SiC 2/ Al 2O 3Matrix material.All do not relate to and utilize Al 2O 3Strengthen Ti 3Si 1-xAl xC 2Sosoloid.
Summary of the invention
The objective of the invention is to design that a kind of composition is adjustable, mechanical property good, wear resisting property is excellent, simple to operate, easy control of process conditions, Ti that cost is low 3Si 1-xAl xC 2/ Al 2O 3Ceramic composite and preparation method thereof.
Technical scheme of the present invention is:
A kind of aluminum oxide enhanced titanium-silicon-aluminum carbon ceramic composite materials is by aluminum oxide wild phase and generated in-situ Ti 3Si 1-xAl xC 2Matrix is formed, Al 2O 3Be present in Ti as wild phase 3Si 1-xAl xC 2In the matrix, Al 2O 3Content be 5～30vol.% (volumn concentration).Described Ti 3Si 1-xAl xC 2In the matrix, Si and Al mol ratio are (1-x): x, 0＜x≤0.1.
A kind of preparation Ti 3Si 1-xAl xC 2/ Al 2O 3The method of ceramic composite is synthesized by hot-pressing technique, wherein Ti 3Si 1-xAl xC 2Generated Al by original position 2O 3Be present in Ti as wild phase 3Si 1-xAl xC 2In the matrix.
Described preparation Ti 3Si 1-xAl xC 2/ Al 2O 3The method of ceramic composite is a raw material with titanium valve, silica flour, aluminium powder, Graphite Powder 99 and aluminum oxide powder, and the atomic ratio between titanium valve, silica flour, aluminium powder, the Graphite Powder 99 (being mol ratio) is 3: (1-x): x: 2, and 0＜x≤0.1 wherein.Ball milling 16～24 hours, dry and sieve after pack into coldmoulding in the graphite jig (10～20MPa), in vacuum or be connected with sintering in the hot pressing furnace of argon gas, temperature rise rate is 10～15 ℃/minute, at 1500～1600 ℃ of sintering, soaking time is 30～120 minutes, and exerting pressure is 20～40MPa.Thereby, prepare superior Ti of comprehensive mechanical performance such as high rigidity, high elastic coefficient, high bending strength, high shear strength, wear resisting property be good 3Si 1-xAl xC 2/ Al 2O 3Ceramic composite.
The titanium valve of described adding, silica flour, aluminium powder, Graphite Powder 99 and aluminum oxide powder size range are 200～600 orders; Described sintering processing is a hot pressed sintering; Described sintering atmosphere is that (vacuum tightness is 10 to vacuum -4～10 -2MPa) or argon gas; Described mixing method adopts the ball milled under the alcohol medium.
Advantage of the present invention is:
1. composition is adjustable, technology is simple, and cost is low.The present invention is a raw material with titanium valve, silica flour, aluminium powder, Graphite Powder 99 and aluminum oxide powder, and wherein the volumn concentration of aluminum oxide can be regulated in original proportioning.The agglomerating Ti of institute 3Si 1-xAl xC 2/ Al 2O 3Ceramic composite is by Ti 3Si 1-xAl xC 2And Al 2O 3Two phase composites, wherein Ti 3Si 1-xAl xC 2Synthesized by original position.With respect to earlier synthetic two-phase, the remix sintering becomes simply technical process, greatly reduces cost again.
2. mechanical property is good, wear resisting property is good.With respect to method synthetic Ti of the same race 3Si 1-xAl xC 2One-component ceramic, prepared Ti 3Si 1-xC 2/ Al 2O 3Ceramic composite has superior characteristics of comprehensive mechanical performance such as high-compactness, high rigidity, high elastic coefficient, high bending strength, high shear strength, wear resisting property be good.With Ti 3Si 0.9Al 0.1C 2/ 10vol.%Al 2O 3Be example, work as Al 2O 3When the content of wild phase was 10vol.% (volumn concentration) left and right sides, the Young's modulus of material reached 334GPa, and hardness is 5.2GPa, and flexural strength is 579MPa, and shearing resistance is 133MPa, respectively than single-phase Ti 3Si 0.9Al 0.1C 2Improved about 5.4%, 48.6%, 38.5% and 14.7%.In addition, experimental results show that to be to grinding pair, Ti under the reciprocating type friction condition with the AISI-52100 bearing steel ball 3Si 0.9Al 0.1C 2/ Al 2O 3Matrix material has better wear resistance, and its wear resistance is with Al 2O 3The increase of volume content and strengthening.
Description of drawings
Fig. 1 is single-phase Ti 3Si 0.9Al 0.1C 2And Ti 3Si 0.9Al 0.1C 2/ Al 2O 3The X-ray diffraction spectrum of matrix material.(a) be single-phase Ti 3Si 0.9Al 0.1C 2, (b) be Ti 3Si 0.9Al 0.1C 2/ 10vol.%Al 2O 3, (c) be Ti 3Si 0.9Al 0.1C 2/ 20vol.%Al 2O 3
Fig. 2 (a)-(b) is Ti 3Si 0.9Al 0.1C 2/ Al 2O 3The fracture of ceramic composite (back scattering phase).(a) be Ti 3Si 0.9Al 0.1C 2/ 10vol.%Al 2O 3, (b) be Ti 3Si 0.9Al 0.1C 2/ 20 vol.%Al 2O 3
Fig. 3 is Ti 3Si 0.9Al 0.1C 2/ Al 2O 3Ceramic composite is to grinding pair, the wear rate under the reciprocating type friction condition and the relation of loaded value with the AISI-52100 bearing steel ball.
Fig. 4 is Ti 3Si 0.9Al 0.1C 2/ 20vol.%Al 2O 3The wear surface under 10N loads of ceramic composite.
Embodiment
Below by example in detail the present invention is described in detail.
Embodiment 1 (Ti 3Si 0.9Al 0.1C 2/ 10vol.%Al 2O 3) (TSAC/10A)
With size range is that 200～600 purpose titanium valves, 131.3 grams, silica flour 27.8 grams, aluminium powder 2.5 grams, graphite 21.9 grams and aluminum oxide powder 18.0 grams are raw material, with the raw spirit is medium, ball milling is 16 hours in the agate jar, dry (water content is less than 0.05 wt.%) and cross 200 mesh sieves after the coldmoulding (10MPa) in the graphite jig of packing into, sintering in being connected with the hot pressing furnace of argon gas, temperature rise rate are 10 ℃/minute, at 1550 ℃ of sintering, soaking time is 60 minutes, exerts pressure to be 30MPa.Whole sintering process all is to carry out under argon shield.The density that Archimedes's method records is 4.41g/cm 3Be 98.5% of theoretical density.Ti 3Si 0.9Al 0.1C 2/ 10vol.%Al 2O 3The Vickers' hardness of matrix material is 5.2GPa; Young's modulus is 334GPa; Flexural strength is 579MPa; Shearing resistance is 133MPa.
Embodiment 2 (Ti 3Si 0.9Al 0.1C 2/ 20vol.%Al 2O 3) (TSAC/20A)
With size range is that 200～600 purpose titanium valves, 157.7 grams, silica flour 33.4 grams, aluminium powder 3.0 grams, graphite 26.3 grams and aluminum oxide powder 48.5 grams are raw material, with the raw spirit is medium, ball milling is 24 hours in the agate jar, dry (water content for less than 0.05wt.%) and cross 200 mesh sieves after the coldmoulding (20MPa) in the graphite jig of packing into, sintering in being connected with the hot pressing furnace of argon gas, temperature rise rate are 15 ℃/minute, at 1600 ℃ of sintering, soaking time is 30 minutes, exerts pressure to be 40MPa.Whole sintering process all is to carry out under argon shield.The density that Archimedes's method records is 4.32g/cm 3, be 97.7% of theoretical density.Ti 3Si 0.9Al 0.1C 2/ 20vol.%Al 2O 3The Vickers' hardness of matrix material is 6.0GPa; Young's modulus is 340GPa; Flexural strength is 453MPa; Shearing resistance is 230MPa.
Comparative example
Adopt two kinds of prepared different al of this law 2O 3The Ti of volumn concentration 3Si 0.9Al 0.1C 2/ Al 2O 3The single-phase Ti that ceramic composite and same process are prepared 3Si 0.9Al 0.1C 2(TSAC) compare.Ti 3Si 0.9Al 0.1C 2Vickers' hardness be 3.5GPa; Young's modulus is 317GPa; Flexural strength 418MPa; Shearing resistance is 116MPa.The relevant mechanical properties index is lower than Ti 3Si 0.9Al 0.1C 2/ Al 2O 3Ceramic composite.
Following mask body is introduced Ti 3Si 0.9Al 0.1C 2/ Al 2O 3The microstructure of ceramic composite, the mechanism of wear resistance and raising wear resistance.
Fig. 1 is single-phase Ti 3Si 0.9Al 0.1C 2And Ti 3Si 0.9Al 0.1C 2/ Al 2O 3The X-ray diffraction spectrum of matrix material.(a) be single-phase Ti 3Si 0.9Al 0.1C 2, (b) be Ti 3Si 0.9Al 0.1C 2/ 10vol.%Al 2O 3, (c) be Ti 3Si 0.9Al 0.1C 2/ 20vol.%Al 2O 3At single-phase Ti 3Si 0.9Al 0.1There is not the existence of impurity phase among the C, at Ti 3Si 0.9Al 0.1C 2/ Al 2O 3Only comprise a spot of TiC phase in the matrix material.Fig. 2 is Ti 3Si 0.9Al 0.1C 2/ Al 2O 3The fracture apperance of ceramic composite (back scattering phase).Figure (a) is Ti 3Si 0.9Al 0.1C 2/ 10vol.%Al 2O 3The fracture of matrix material, figure (b) is Ti 3Si 0.9Al 0.1C 2/ 20vol.%Al 2O 3The fracture of matrix material, black are Al mutually 2O 3Particle, grey form and aspect are Ti 3Si 0.9Al 0.1C 2Crystal grain.Can be observed Al from figure (a) 2O 3Particle dispersion is distributed in Ti 3Si 0.9Al 0.1C 2Crystal grain inside and crystal boundary, in figure (b), remove Al 2O 3Outside the particulate disperse distributes, a small amount of Al is arranged 2O 3Particle is at Ti 3Si 0.9Al 0.1C 2The crystal boundary place produces reunites.Fig. 3 is Ti 3Si 0.9Al 0.1C 2/ Al 2O 3Ceramic composite is to grinding pair, the wear rate under the reciprocating type friction condition and the relation of loaded value with the AISI-52100 bearing steel ball.With wild phase Al in the matrix 2O 3The increase of volumn concentration, the wear rate of matrix material descends gradually, and the wear rate with loaded value increase matrix material also presents downtrending in addition.This illustrates Al 2O 3Interpolation can improve Ti effectively 3Si 0.9Al 0.1C 2The wear resistance of matrix.Fig. 4 is Ti 3Si 0.9Al 0.1C 2/ 20vol.%Al 2O 3The wear surface under 10N loads of ceramic composite.Can be observed Al 2O 3Size distribution is at Ti 3Si 0.9Al 0.1C 2In the matrix, under the steel ball that slides, carry loading force, and the Ti around the pinning 3Si 0.9Al 0.1C 2Grain formation outstanding platform, thereby the frictionloss of minimizing material.Here it is Al 2O 3Add and improve Ti 3Si 0.9Al 0.1C 2The mechanism of matrix wear resistance.
By embodiment 1, embodiment 2 and comparative example as seen, the Ti of present method preparation 3Si 1-xAl xC 2/ Al 2O 3Ceramic composite has superior characteristics of comprehensive mechanical performance such as high rigidity, high elastic coefficient, high bending strength, high shear strength, wear resisting property be good.

Claims (5)

1. an aluminum oxide enhanced titanium-silicon-aluminum carbon ceramic composite materials is characterized in that: by aluminum oxide wild phase and generated in-situ Ti 3Si 1-xAl xC 2Matrix is formed, Al 2O 3Be present in Ti as wild phase 3Si 1-xAl xC 2In the matrix, Al 2O 3Volumn concentration be 5～30%; Ti 3Si 1-xAl xC 2In the matrix, Si and Al mol ratio are (1-x): x, wherein 0＜x≤0.1.
2. according to the preparation method of the described aluminum oxide enhanced titanium-silicon-aluminum carbon ceramic composite materials of claim 1, it is characterized in that: with titanium valve, silica flour, aluminium powder, Graphite Powder 99 and aluminum oxide powder is raw material, atomic ratio between titanium valve, silica flour, aluminium powder, the Graphite Powder 99 is 3: (1-x): x: 2, and 0＜x≤0.1 wherein; Ball milling 16～24 hours, dry and sieve after the coldmoulding in the graphite jig of packing into, pressure is 10～20MPa, in vacuum or be connected with sintering in the hot pressing furnace of argon gas, temperature rise rate is 10～15 ℃/minute, at 1500～1600 ℃ of sintering, soaking time is 30～120 minutes, and exerting pressure is 20～40MPa.
3. according to the preparation method of the described aluminum oxide enhanced titanium-silicon-aluminum carbon ceramic composite materials of claim 2, it is characterized in that: Ti 3Si 1-xAl xC 2Generated wild phase Al by original position 2O 3Volume content can in original proportioning, regulate.
4. according to the preparation method of the described aluminum oxide enhanced titanium-silicon-aluminum carbon ceramic composite materials of claim 2, it is characterized in that: the titanium valve of described adding, silica flour, aluminium powder, Graphite Powder 99 and aluminum oxide powder size range are 200～600 orders.
5. according to the preparation method of the described aluminum oxide enhanced titanium-silicon-aluminum carbon ceramic composite materials of claim 2, it is characterized in that: adopting alcohol is medium ball milling in the agate jar.
CNB2006100460142A 2006-03-10 2006-03-10 Aluminum oxide enhanced titanium-silicon-aluminum-carbon base ceramics composite material and preparing method thereof Expired - Fee Related CN100415684C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006100460142A CN100415684C (en) 2006-03-10 2006-03-10 Aluminum oxide enhanced titanium-silicon-aluminum-carbon base ceramics composite material and preparing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006100460142A CN100415684C (en) 2006-03-10 2006-03-10 Aluminum oxide enhanced titanium-silicon-aluminum-carbon base ceramics composite material and preparing method thereof

Publications (2)

Publication Number Publication Date
CN101033135A CN101033135A (en) 2007-09-12
CN100415684C true CN100415684C (en) 2008-09-03

Family

ID=38729904

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2006100460142A Expired - Fee Related CN100415684C (en) 2006-03-10 2006-03-10 Aluminum oxide enhanced titanium-silicon-aluminum-carbon base ceramics composite material and preparing method thereof

Country Status (1)

Country Link
CN (1) CN100415684C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101844911A (en) * 2010-05-17 2010-09-29 上海富家家新型温棚设计制作有限公司 Multielement silicon-aluminium composite material and preparation method thereof
CN107010930A (en) * 2017-05-03 2017-08-04 济南大学 A kind of method that fabricated in situ titanium aluminium nitrogen compound strengthens aluminum oxide/titanium nitride complex phase ceramic
CN108585002A (en) * 2018-01-17 2018-09-28 南昌航空大学 A kind of preparation method of micro-nano graphite/alumina composite powders

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1594213A (en) * 2004-06-23 2005-03-16 北京交通大学 Titanium silicon carbon block material using aluminium as additive and its preparing method
CN1654425A (en) * 2005-01-13 2005-08-17 武汉理工大学 Method for in-situ hot-pressing synthesis of compact Ti3SiC2-Al2O3 composite blocks

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1594213A (en) * 2004-06-23 2005-03-16 北京交通大学 Titanium silicon carbon block material using aluminium as additive and its preparing method
CN1654425A (en) * 2005-01-13 2005-08-17 武汉理工大学 Method for in-situ hot-pressing synthesis of compact Ti3SiC2-Al2O3 composite blocks

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Effect of Al2O3 on mechanical properties of Ti3SiC2/Al2O3composite. H.J.Wang等.Ceramics International,Vol.28 No.2002. 2002 *

Also Published As

Publication number Publication date
CN101033135A (en) 2007-09-12

Similar Documents

Publication Publication Date Title
CN103145422B (en) High-hardness ceramic composite material of boron carbide-titanium boride-silicon carbide and preparation method thereof
Zhao et al. Microstructure and mechanical properties of TiB2–SiC ceramic composites by reactive hot pressing
JPS5924751B2 (en) Sintered shaped body
CN102161594B (en) SiC whisker reinforced SiC ceramic matrix composite and preparation method thereof
CN101343183B (en) Zirconium titanium carbide particle reinforced silicon aluminum titanium carbide zirconium based composite material and preparation thereof
Jianxin et al. Microstructure and mechanical properties of hot-pressed B4C/TiC/Mo ceramic composites
CN101117673A (en) Method for preparing hard alloy containing slab-shaped tungsten carbide crystal grain
CN104060173A (en) Ti3AlC2 enhanced Fe-based composite and in-situ heat extrusion preparation method thereof
CN101417879B (en) Nb4AlC3 block ceramic synthesized by hot pressing at in-situ reaction and preparation method thereof
CN103058662A (en) Titanium diboride-based composite self-lubricating ceramic tool material and preparation method thereof
CN104099488A (en) Pressureless sintering-pressurized densifying preparation method for titanium-aluminum-carbon particle enhanced zinc-aluminum matrix composite
CN100451146C (en) Composite material of aluminum titanium carbide / titanium diboride, and preparation method
CN100415684C (en) Aluminum oxide enhanced titanium-silicon-aluminum-carbon base ceramics composite material and preparing method thereof
CN101021268A (en) Light hard alloy seal ring and producing method thereof
CN101824576B (en) Zirconium-aluminum-silicon-carbon-silicon carbide composite material and preparation method thereof
CN102249682A (en) Titanium carbide ceramic composite material reinforced with ferrum and aluminium intermetallic compound and preparation method thereof
Yang et al. Oxidation behavior and kinetics of in situ (TiB2+ TiC)/Ti3SiC2 composites in air
CN100424039C (en) Original position reaction hot pressing synthesis TiB2-NbC-SiC refractory ceramics composite material and preparing method thereof
CN1778767A (en) Production of high-purity titanium silicon carbon ceramic powder under vacuum state
CN101417878B (en) TaC-SiC ceramic composite material synthesized by hot pressing at in-situ reaction
ZHANG et al. Research on toughening mechanisms of alumina matrix ceramic composite materials improved by rare earth additive
CN100443442C (en) Ta2AlC nano lamina block ceramic and preparation method thereof
Shi et al. Toughening of Ti3SiC2 with 3Y-TZP addition by spark plasma sintering
CN103553631B (en) Method for obtaining compact titanium diboride material by using in-situ reaction between sintering aids
CN1298675C (en) Aluminum oxide granule reinforced aluminum titanium carbide base composite material and its preparation method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080903

Termination date: 20150310

EXPY Termination of patent right or utility model